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/sum_array.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-133090d [2018-10-04 09:22:38,853 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 09:22:38,855 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 09:22:38,867 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 09:22:38,868 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 09:22:38,869 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 09:22:38,870 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 09:22:38,872 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 09:22:38,874 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 09:22:38,875 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 09:22:38,876 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-10-04 09:22:38,926 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 09:22:38,955 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 09:22:38,955 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 09:22:38,956 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 09:22:38,956 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 09:22:38,959 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 09:22:38,959 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 09:22:38,960 INFO L133 SettingsManager]: * Use SBE=true [2018-10-04 09:22:38,960 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 09:22:38,960 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 09:22:38,960 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 09:22:38,960 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 09:22:38,961 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 09:22:38,961 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 09:22:38,961 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 09:22:38,961 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 09:22:38,961 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 09:22:38,962 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 09:22:38,963 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 09:22:38,963 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 09:22:38,963 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-04 09:22:38,964 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 09:22:38,964 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-04 09:22:38,964 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-04 09:22:38,964 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 09:22:38,965 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 09:22:38,965 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 09:22:38,965 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-04 09:22:38,965 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 09:22:38,965 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 09:22:38,966 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 09:22:39,020 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 09:22:39,032 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 09:22:39,036 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 09:22:39,038 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 09:22:39,039 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 09:22:39,039 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/sum_array.i_3.bpl [2018-10-04 09:22:39,040 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/sum_array.i_3.bpl' [2018-10-04 09:22:39,120 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 09:22:39,122 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 09:22:39,123 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 09:22:39,123 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 09:22:39,123 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 09:22:39,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 09:22:39" (1/1) ... [2018-10-04 09:22:39,163 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 09:22:39" (1/1) ... [2018-10-04 09:22:39,170 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 09:22:39,171 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 09:22:39,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 09:22:39,172 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 09:22:39,184 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 09:22:39" (1/1) ... [2018-10-04 09:22:39,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 09:22:39" (1/1) ... [2018-10-04 09:22:39,186 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 09:22:39" (1/1) ... [2018-10-04 09:22:39,186 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 09:22:39" (1/1) ... [2018-10-04 09:22:39,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 09:22:39" (1/1) ... [2018-10-04 09:22:39,194 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 09:22:39" (1/1) ... [2018-10-04 09:22:39,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 09:22:39" (1/1) ... [2018-10-04 09:22:39,197 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 09:22:39,197 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 09:22:39,198 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 09:22:39,198 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 09:22:39,199 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 09:22:39" (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: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 09:22:39,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-04 09:22:39,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-04 09:22:39,626 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-04 09:22:39,626 INFO L202 PluginConnector]: Adding new model sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 09:22:39 BoogieIcfgContainer [2018-10-04 09:22:39,627 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 09:22:39,628 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-04 09:22:39,628 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-04 09:22:39,632 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-04 09:22:39,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 09:22:39" (1/2) ... [2018-10-04 09:22:39,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b012c49 and model type sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.10 09:22:39, skipping insertion in model container [2018-10-04 09:22:39,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 09:22:39" (2/2) ... [2018-10-04 09:22:39,636 INFO L112 eAbstractionObserver]: Analyzing ICFG sum_array.i_3.bpl [2018-10-04 09:22:39,646 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-04 09:22:39,655 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-04 09:22:39,707 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-04 09:22:39,708 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-10-04 09:22:39,708 INFO L382 AbstractCegarLoop]: Hoare is true [2018-10-04 09:22:39,708 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-04 09:22:39,708 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-04 09:22:39,708 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-04 09:22:39,709 INFO L386 AbstractCegarLoop]: Difference is false [2018-10-04 09:22:39,709 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-04 09:22:39,709 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-04 09:22:39,724 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2018-10-04 09:22:39,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 09:22:39,731 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 09:22:39,732 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 09:22:39,733 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 09:22:39,739 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 09:22:39,740 INFO L82 PathProgramCache]: Analyzing trace with hash 148998095, now seen corresponding path program 1 times [2018-10-04 09:22:39,742 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 09:22:39,743 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 09:22:39,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:22:39,786 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 09:22:39,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:22:39,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 09:22:40,013 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 09:22:40,018 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 09:22:40,018 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 09:22:40,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-04 09:22:40,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-04 09:22:40,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-04 09:22:40,057 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 4 states. [2018-10-04 09:22:40,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 09:22:40,256 INFO L93 Difference]: Finished difference Result 27 states and 36 transitions. [2018-10-04 09:22:40,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-04 09:22:40,258 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-10-04 09:22:40,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 09:22:40,276 INFO L225 Difference]: With dead ends: 27 [2018-10-04 09:22:40,278 INFO L226 Difference]: Without dead ends: 15 [2018-10-04 09:22:40,291 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-04 09:22:40,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-10-04 09:22:40,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-10-04 09:22:40,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-10-04 09:22:40,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2018-10-04 09:22:40,324 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 8 [2018-10-04 09:22:40,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 09:22:40,324 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2018-10-04 09:22:40,324 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-04 09:22:40,325 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2018-10-04 09:22:40,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 09:22:40,325 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 09:22:40,325 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 09:22:40,326 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 09:22:40,326 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 09:22:40,326 INFO L82 PathProgramCache]: Analyzing trace with hash -895823363, now seen corresponding path program 1 times [2018-10-04 09:22:40,326 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 09:22:40,327 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 09:22:40,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:22:40,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 09:22:40,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 09:22:40,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 09:22:40,907 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 09:22:40,907 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-04 09:22:40,907 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 09:22:40,917 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 09:22:40,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 09:22:40,951 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 09:22:41,053 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 09:22:41,056 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-04 09:22:41,074 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-04 09:22:41,075 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:1 [2018-10-04 09:22:41,090 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 09:22:41,090 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-04 09:22:41,154 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-04 09:22:41,155 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:1 [2018-10-04 09:22:41,173 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 18 treesize of output 17 [2018-10-04 09:22:41,174 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-04 09:22:41,215 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-04 09:22:41,216 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:24 [2018-10-04 09:22:41,287 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 09:22:41,319 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-04 09:22:41,319 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 7 [2018-10-04 09:22:41,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-04 09:22:41,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-04 09:22:41,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-10-04 09:22:41,322 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand 7 states. [2018-10-04 09:22:41,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 09:22:41,824 INFO L93 Difference]: Finished difference Result 35 states and 44 transitions. [2018-10-04 09:22:41,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-04 09:22:41,825 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2018-10-04 09:22:41,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 09:22:41,826 INFO L225 Difference]: With dead ends: 35 [2018-10-04 09:22:41,826 INFO L226 Difference]: Without dead ends: 0 [2018-10-04 09:22:41,828 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 4 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2018-10-04 09:22:41,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-04 09:22:41,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-04 09:22:41,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-04 09:22:41,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-04 09:22:41,830 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2018-10-04 09:22:41,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 09:22:41,830 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-04 09:22:41,830 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-04 09:22:41,830 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-04 09:22:41,831 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-04 09:22:41,835 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-04 09:22:41,969 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 92) no Hoare annotation was computed. [2018-10-04 09:22:41,969 INFO L428 ceAbstractionStarter]: At program point L31(lines 31 38) the Hoare annotation is: true [2018-10-04 09:22:41,970 INFO L421 ceAbstractionStarter]: At program point L89(lines 56 89) the Hoare annotation is: (or (and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6)) (= (select ULTIMATE.start_main_~C~6 0) (+ (select ULTIMATE.start_main_~B~6 0) (select ULTIMATE.start_main_~A~6 0)))) [2018-10-04 09:22:41,970 INFO L428 ceAbstractionStarter]: At program point L50(lines 50 57) the Hoare annotation is: true [2018-10-04 09:22:41,970 INFO L421 ceAbstractionStarter]: At program point L69(lines 69 83) the Hoare annotation is: (or (and (<= ULTIMATE.start_main_~i~6 0) (<= 0 ULTIMATE.start_main_~i~6)) (= (select ULTIMATE.start_main_~C~6 0) (+ (select ULTIMATE.start_main_~B~6 0) (select ULTIMATE.start_main_~A~6 0)))) [2018-10-04 09:22:41,970 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 1 92) no Hoare annotation was computed. [2018-10-04 09:22:41,970 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 92) no Hoare annotation was computed. [2018-10-04 09:22:41,971 INFO L421 ceAbstractionStarter]: At program point L82(lines 82 90) the Hoare annotation is: false [2018-10-04 09:22:41,971 INFO L428 ceAbstractionStarter]: At program point L47(lines 28 47) the Hoare annotation is: true [2018-10-04 09:22:41,971 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 91) no Hoare annotation was computed. [2018-10-04 09:22:41,971 INFO L428 ceAbstractionStarter]: At program point L66(lines 37 66) the Hoare annotation is: true [2018-10-04 09:22:41,983 INFO L202 PluginConnector]: Adding new model sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.10 09:22:41 BoogieIcfgContainer [2018-10-04 09:22:41,983 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-04 09:22:41,984 INFO L168 Benchmark]: Toolchain (without parser) took 2863.66 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: 108.4 MB). Peak memory consumption was 108.4 MB. Max. memory is 7.1 GB. [2018-10-04 09:22:41,986 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 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 09:22:41,987 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.46 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 09:22:41,988 INFO L168 Benchmark]: Boogie Preprocessor took 25.44 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 09:22:41,988 INFO L168 Benchmark]: RCFGBuilder took 429.48 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-04 09:22:41,989 INFO L168 Benchmark]: TraceAbstraction took 2355.61 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: 87.2 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. [2018-10-04 09:22:41,994 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 0.21 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 48.46 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 25.44 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 429.48 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2355.61 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: 87.2 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 91]: 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: 28]: Loop Invariant Derived loop invariant: true - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: true - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: (main_~i~6 <= 0 && 0 <= main_~i~6) || main_~C~6[0] == main_~B~6[0] + main_~A~6[0] - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: true - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: true - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: (main_~i~6 <= 0 && 0 <= main_~i~6) || main_~C~6[0] == main_~B~6[0] + main_~A~6[0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. SAFE Result, 2.2s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 13 SDtfs, 10 SDslu, 28 SDs, 0 SdLazy, 54 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 11 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=1, 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, 7 LocationsWithAnnotation, 7 PreInvPairs, 35 NumberOfFragments, 43 HoareAnnotationTreeSize, 7 FomulaSimplifications, 150 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 2745 SizeOfPredicates, 6 NumberOfNonLiveVariables, 45 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/12 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/sum_array.i_3.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-10-04_09-22-42-008.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/sum_array.i_3.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-04_09-22-42-008.csv Received shutdown request...