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 0.1.23-9f4048f [2018-10-04 12:28:22,798 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 12:28:22,800 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 12:28:22,812 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 12:28:22,812 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 12:28:22,813 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 12:28:22,814 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 12:28:22,816 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 12:28:22,817 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 12:28:22,818 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 12:28:22,819 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-10-04 12:28:22,842 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 12:28:22,857 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 12:28:22,857 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 12:28:22,858 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 12:28:22,858 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 12:28:22,859 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 12:28:22,859 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 12:28:22,859 INFO L133 SettingsManager]: * Use SBE=true [2018-10-04 12:28:22,859 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 12:28:22,860 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 12:28:22,860 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 12:28:22,860 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 12:28:22,860 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 12:28:22,860 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 12:28:22,860 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 12:28:22,861 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 12:28:22,861 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 12:28:22,861 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 12:28:22,861 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 12:28:22,861 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 12:28:22,862 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-04 12:28:22,862 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 12:28:22,862 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-04 12:28:22,862 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-04 12:28:22,862 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 12:28:22,863 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 12:28:22,863 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 12:28:22,863 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-04 12:28:22,863 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 12:28:22,863 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 12:28:22,864 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 12:28:22,905 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 12:28:22,917 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 12:28:22,921 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 12:28:22,922 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 12:28:22,923 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 12:28:22,923 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/sum_array.i_3.bpl [2018-10-04 12:28:22,924 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/sum_array.i_3.bpl' [2018-10-04 12:28:22,975 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 12:28:22,977 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 12:28:22,978 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 12:28:22,978 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 12:28:22,978 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 12:28:22,996 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 12:28:22" (1/1) ... [2018-10-04 12:28:23,012 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 12:28:22" (1/1) ... [2018-10-04 12:28:23,021 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 12:28:23,021 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 12:28:23,022 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 12:28:23,022 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 12:28:23,033 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 12:28:22" (1/1) ... [2018-10-04 12:28:23,034 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 12:28:22" (1/1) ... [2018-10-04 12:28:23,035 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 12:28:22" (1/1) ... [2018-10-04 12:28:23,036 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 12:28:22" (1/1) ... [2018-10-04 12:28:23,041 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 12:28:22" (1/1) ... [2018-10-04 12:28:23,044 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 12:28:22" (1/1) ... [2018-10-04 12:28:23,045 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 12:28:22" (1/1) ... [2018-10-04 12:28:23,053 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 12:28:23,054 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 12:28:23,054 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 12:28:23,055 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 12:28:23,057 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 12:28:22" (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 12:28:23,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-04 12:28:23,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-04 12:28:23,396 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-04 12:28:23,397 INFO L202 PluginConnector]: Adding new model sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:28:23 BoogieIcfgContainer [2018-10-04 12:28:23,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 12:28:23,398 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-04 12:28:23,404 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-04 12:28:23,410 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-04 12:28:23,411 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 12:28:22" (1/2) ... [2018-10-04 12:28:23,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f919477 and model type sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.10 12:28:23, skipping insertion in model container [2018-10-04 12:28:23,412 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 12:28:23" (2/2) ... [2018-10-04 12:28:23,417 INFO L112 eAbstractionObserver]: Analyzing ICFG sum_array.i_3.bpl [2018-10-04 12:28:23,451 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-04 12:28:23,460 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-04 12:28:23,522 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-04 12:28:23,523 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-10-04 12:28:23,523 INFO L382 AbstractCegarLoop]: Hoare is true [2018-10-04 12:28:23,523 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-04 12:28:23,524 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-04 12:28:23,524 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-04 12:28:23,524 INFO L386 AbstractCegarLoop]: Difference is false [2018-10-04 12:28:23,524 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-04 12:28:23,524 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-04 12:28:23,539 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2018-10-04 12:28:23,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 12:28:23,547 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:28:23,548 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 12:28:23,549 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:28:23,564 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 12:28:23,564 INFO L82 PathProgramCache]: Analyzing trace with hash 148998095, now seen corresponding path program 1 times [2018-10-04 12:28:23,567 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:28:23,567 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:28:23,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:28:23,618 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:28:23,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:28:23,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:28:23,801 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 12:28:23,803 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 12:28:23,804 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 12:28:23,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-04 12:28:23,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-04 12:28:23,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-04 12:28:23,821 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 4 states. [2018-10-04 12:28:23,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:28:23,998 INFO L93 Difference]: Finished difference Result 27 states and 36 transitions. [2018-10-04 12:28:23,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-04 12:28:24,000 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-10-04 12:28:24,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:28:24,012 INFO L225 Difference]: With dead ends: 27 [2018-10-04 12:28:24,012 INFO L226 Difference]: Without dead ends: 15 [2018-10-04 12:28:24,016 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-04 12:28:24,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-10-04 12:28:24,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-10-04 12:28:24,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-10-04 12:28:24,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2018-10-04 12:28:24,053 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 8 [2018-10-04 12:28:24,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:28:24,053 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2018-10-04 12:28:24,053 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-04 12:28:24,054 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2018-10-04 12:28:24,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 12:28:24,054 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:28:24,054 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 12:28:24,055 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:28:24,055 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 12:28:24,055 INFO L82 PathProgramCache]: Analyzing trace with hash -895823363, now seen corresponding path program 1 times [2018-10-04 12:28:24,056 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:28:24,056 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:28:24,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:28:24,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:28:24,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:28:24,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:28:24,573 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 12:28:24,574 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-04 12:28:24,574 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 12:28:24,585 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:28:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:28:24,635 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 12:28:24,710 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 12:28:24,713 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-04 12:28:24,811 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 12:28:24,811 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:1 [2018-10-04 12:28:24,822 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 12:28:24,823 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-04 12:28:24,866 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 12:28:24,867 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:1 [2018-10-04 12:28:24,887 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 12:28:24,887 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-04 12:28:24,907 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 12:28:24,907 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:24 [2018-10-04 12:28:24,987 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 12:28:25,023 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-04 12:28:25,024 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 7 [2018-10-04 12:28:25,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-04 12:28:25,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-04 12:28:25,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-10-04 12:28:25,026 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand 7 states. [2018-10-04 12:28:25,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:28:25,501 INFO L93 Difference]: Finished difference Result 35 states and 44 transitions. [2018-10-04 12:28:25,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-04 12:28:25,502 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2018-10-04 12:28:25,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:28:25,503 INFO L225 Difference]: With dead ends: 35 [2018-10-04 12:28:25,503 INFO L226 Difference]: Without dead ends: 0 [2018-10-04 12:28:25,505 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 4 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2018-10-04 12:28:25,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-04 12:28:25,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-04 12:28:25,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-04 12:28:25,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-04 12:28:25,509 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2018-10-04 12:28:25,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:28:25,509 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-04 12:28:25,510 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-04 12:28:25,510 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-04 12:28:25,510 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-04 12:28:25,515 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-04 12:28:25,597 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 92) no Hoare annotation was computed. [2018-10-04 12:28:25,597 INFO L428 ceAbstractionStarter]: At program point L31(lines 31 38) the Hoare annotation is: true [2018-10-04 12:28:25,597 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 12:28:25,597 INFO L428 ceAbstractionStarter]: At program point L50(lines 50 57) the Hoare annotation is: true [2018-10-04 12:28:25,598 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 91) no Hoare annotation was computed. [2018-10-04 12:28:25,598 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 12:28:25,598 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 1 92) no Hoare annotation was computed. [2018-10-04 12:28:25,598 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 92) no Hoare annotation was computed. [2018-10-04 12:28:25,598 INFO L421 ceAbstractionStarter]: At program point L82(lines 82 90) the Hoare annotation is: false [2018-10-04 12:28:25,599 INFO L428 ceAbstractionStarter]: At program point L47(lines 28 47) the Hoare annotation is: true [2018-10-04 12:28:25,599 INFO L428 ceAbstractionStarter]: At program point L66(lines 37 66) the Hoare annotation is: true [2018-10-04 12:28:25,610 INFO L202 PluginConnector]: Adding new model sum_array.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.10 12:28:25 BoogieIcfgContainer [2018-10-04 12:28:25,614 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-04 12:28:25,615 INFO L168 Benchmark]: Toolchain (without parser) took 2639.11 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 108.4 MB). Peak memory consumption was 108.4 MB. Max. memory is 7.1 GB. [2018-10-04 12:28:25,617 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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 12:28:25,618 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.45 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 12:28:25,618 INFO L168 Benchmark]: Boogie Preprocessor took 32.17 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 12:28:25,619 INFO L168 Benchmark]: RCFGBuilder took 343.00 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 12:28:25,620 INFO L168 Benchmark]: TraceAbstraction took 2215.55 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 87.2 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. [2018-10-04 12:28:25,624 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 0.19 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 43.45 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 32.17 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 343.00 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 2215.55 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 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, 2.0s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 13 SDtfs, 10 SDslu, 28 SDs, 0 SdLazy, 54 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 11 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.5s 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, 0.0s 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_12-28-25-637.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_12-28-25-637.csv Received shutdown request...