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_PUPT.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/half_2.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b2fde6a [2018-09-28 10:33:38,122 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-28 10:33:38,124 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-28 10:33:38,140 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-28 10:33:38,140 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-28 10:33:38,142 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-28 10:33:38,143 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-28 10:33:38,145 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-28 10:33:38,147 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-28 10:33:38,149 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-28 10:33:38,151 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-09-28 10:33:38,181 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default_PUPT.epf [2018-09-28 10:33:38,196 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-28 10:33:38,196 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-28 10:33:38,197 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-28 10:33:38,197 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-28 10:33:38,198 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-28 10:33:38,198 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-28 10:33:38,198 INFO L133 SettingsManager]: * Use SBE=true [2018-09-28 10:33:38,198 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-28 10:33:38,198 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-28 10:33:38,199 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-28 10:33:38,199 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-28 10:33:38,199 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-28 10:33:38,199 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-28 10:33:38,199 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-28 10:33:38,199 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-28 10:33:38,200 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-28 10:33:38,200 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-28 10:33:38,200 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-28 10:33:38,200 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-28 10:33:38,202 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-28 10:33:38,202 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-28 10:33:38,202 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-28 10:33:38,202 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-28 10:33:38,202 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-28 10:33:38,203 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-28 10:33:38,203 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-28 10:33:38,203 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-28 10:33:38,203 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-28 10:33:38,203 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-28 10:33:38,203 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-28 10:33:38,204 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-28 10:33:38,256 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-28 10:33:38,271 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-28 10:33:38,277 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-28 10:33:38,279 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-28 10:33:38,279 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-28 10:33:38,280 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/half_2.i_3.bpl [2018-09-28 10:33:38,280 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/half_2.i_3.bpl' [2018-09-28 10:33:38,347 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-28 10:33:38,350 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-28 10:33:38,351 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-28 10:33:38,351 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-28 10:33:38,352 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-28 10:33:38,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:33:38" (1/1) ... [2018-09-28 10:33:38,388 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:33:38" (1/1) ... [2018-09-28 10:33:38,395 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-28 10:33:38,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-28 10:33:38,396 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-28 10:33:38,396 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-28 10:33:38,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:33:38" (1/1) ... [2018-09-28 10:33:38,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:33:38" (1/1) ... [2018-09-28 10:33:38,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:33:38" (1/1) ... [2018-09-28 10:33:38,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:33:38" (1/1) ... [2018-09-28 10:33:38,412 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:33:38" (1/1) ... [2018-09-28 10:33:38,414 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:33:38" (1/1) ... [2018-09-28 10:33:38,416 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:33:38" (1/1) ... [2018-09-28 10:33:38,417 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-28 10:33:38,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-28 10:33:38,418 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-28 10:33:38,418 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-28 10:33:38,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:33:38" (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 [2018-09-28 10:33:38,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-28 10:33:38,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-28 10:33:38,733 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-28 10:33:38,733 INFO L202 PluginConnector]: Adding new model half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 10:33:38 BoogieIcfgContainer [2018-09-28 10:33:38,733 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-28 10:33:38,734 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-28 10:33:38,734 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-28 10:33:38,738 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-28 10:33:38,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:33:38" (1/2) ... [2018-09-28 10:33:38,740 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a59534e and model type half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.09 10:33:38, skipping insertion in model container [2018-09-28 10:33:38,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 10:33:38" (2/2) ... [2018-09-28 10:33:38,742 INFO L112 eAbstractionObserver]: Analyzing ICFG half_2.i_3.bpl [2018-09-28 10:33:38,751 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-28 10:33:38,760 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-28 10:33:38,812 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-28 10:33:38,813 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-28 10:33:38,813 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-28 10:33:38,813 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-28 10:33:38,814 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-28 10:33:38,814 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-28 10:33:38,814 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-28 10:33:38,814 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-28 10:33:38,814 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-28 10:33:38,830 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2018-09-28 10:33:38,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-28 10:33:38,846 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:33:38,848 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-28 10:33:38,849 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:33:38,863 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-28 10:33:38,864 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-09-28 10:33:38,866 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:33:38,867 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:33:38,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:33:38,925 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:33:38,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:33:38,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:33:39,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:33:39,058 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-28 10:33:39,058 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-28 10:33:39,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-28 10:33:39,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-28 10:33:39,079 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-28 10:33:39,081 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 3 states. [2018-09-28 10:33:39,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:33:39,296 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2018-09-28 10:33:39,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-28 10:33:39,298 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-09-28 10:33:39,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:33:39,309 INFO L225 Difference]: With dead ends: 11 [2018-09-28 10:33:39,309 INFO L226 Difference]: Without dead ends: 7 [2018-09-28 10:33:39,314 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-28 10:33:39,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-09-28 10:33:39,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-09-28 10:33:39,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-28 10:33:39,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-28 10:33:39,367 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-09-28 10:33:39,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:33:39,367 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-09-28 10:33:39,367 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-28 10:33:39,367 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-28 10:33:39,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-28 10:33:39,368 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:33:39,368 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-09-28 10:33:39,368 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:33:39,369 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-28 10:33:39,369 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2018-09-28 10:33:39,369 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:33:39,369 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:33:39,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:33:39,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:33:39,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:33:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:33:39,583 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:33:39,584 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-28 10:33:39,584 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 [2018-09-28 10:33:39,595 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:33:39,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:33:39,625 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-28 10:33:39,958 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:33:39,991 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-28 10:33:39,991 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2018-09-28 10:33:39,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-28 10:33:39,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-28 10:33:39,992 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-28 10:33:39,993 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 6 states. [2018-09-28 10:33:40,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:33:40,238 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2018-09-28 10:33:40,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-28 10:33:40,238 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 6 [2018-09-28 10:33:40,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:33:40,239 INFO L225 Difference]: With dead ends: 11 [2018-09-28 10:33:40,239 INFO L226 Difference]: Without dead ends: 9 [2018-09-28 10:33:40,241 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-28 10:33:40,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-09-28 10:33:40,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-09-28 10:33:40,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-09-28 10:33:40,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-09-28 10:33:40,245 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 6 [2018-09-28 10:33:40,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:33:40,245 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2018-09-28 10:33:40,245 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-28 10:33:40,245 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-09-28 10:33:40,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 10:33:40,246 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:33:40,246 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1] [2018-09-28 10:33:40,246 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:33:40,247 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-28 10:33:40,247 INFO L82 PathProgramCache]: Analyzing trace with hash 198673595, now seen corresponding path program 2 times [2018-09-28 10:33:40,247 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:33:40,247 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:33:40,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:33:40,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-28 10:33:40,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:33:40,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:33:40,435 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:33:40,435 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-28 10:33:40,437 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-28 10:33:40,456 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-09-28 10:33:40,482 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-09-28 10:33:40,482 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-09-28 10:33:40,484 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-28 10:33:40,616 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:33:40,648 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-28 10:33:40,649 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2018-09-28 10:33:40,649 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-28 10:33:40,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-28 10:33:40,650 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-28 10:33:40,651 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 7 states. [2018-09-28 10:33:40,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:33:40,986 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2018-09-28 10:33:40,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-28 10:33:40,993 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 8 [2018-09-28 10:33:40,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:33:40,994 INFO L225 Difference]: With dead ends: 13 [2018-09-28 10:33:40,994 INFO L226 Difference]: Without dead ends: 11 [2018-09-28 10:33:40,995 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-28 10:33:40,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2018-09-28 10:33:40,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-09-28 10:33:40,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-09-28 10:33:40,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-09-28 10:33:40,999 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2018-09-28 10:33:40,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:33:40,999 INFO L480 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2018-09-28 10:33:41,000 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-28 10:33:41,000 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-09-28 10:33:41,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:33:41,000 INFO L367 BasicCegarLoop]: Found error trace [2018-09-28 10:33:41,002 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1] [2018-09-28 10:33:41,002 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-28 10:33:41,002 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-28 10:33:41,003 INFO L82 PathProgramCache]: Analyzing trace with hash 1946815861, now seen corresponding path program 3 times [2018-09-28 10:33:41,003 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-28 10:33:41,004 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-28 10:33:41,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:33:41,006 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-09-28 10:33:41,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-28 10:33:41,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:33:41,231 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:33:41,232 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-28 10:33:41,232 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-28 10:33:41,249 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-09-28 10:33:41,291 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-09-28 10:33:41,291 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-09-28 10:33:41,293 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-28 10:33:41,402 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:33:41,422 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-28 10:33:41,423 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2018-09-28 10:33:41,423 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-28 10:33:41,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-28 10:33:41,424 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-28 10:33:41,424 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand 9 states. [2018-09-28 10:33:41,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-28 10:33:41,563 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2018-09-28 10:33:41,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-28 10:33:41,564 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 10 [2018-09-28 10:33:41,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-28 10:33:41,564 INFO L225 Difference]: With dead ends: 11 [2018-09-28 10:33:41,565 INFO L226 Difference]: Without dead ends: 0 [2018-09-28 10:33:41,565 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-28 10:33:41,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-28 10:33:41,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-28 10:33:41,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-28 10:33:41,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-28 10:33:41,567 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2018-09-28 10:33:41,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-28 10:33:41,567 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-28 10:33:41,567 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-28 10:33:41,568 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-28 10:33:41,568 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-28 10:33:41,572 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-28 10:33:41,739 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-09-28 10:33:41,851 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-09-28 10:33:41,855 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 52) no Hoare annotation was computed. [2018-09-28 10:33:41,855 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 1 52) no Hoare annotation was computed. [2018-09-28 10:33:41,856 INFO L422 ceAbstractionStarter]: At program point L29(lines 29 43) the Hoare annotation is: (or (and (<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~k~5 2)) (<= 1 ULTIMATE.start_main_~k~5) (<= 4 ULTIMATE.start_main_~i~5)) (and (<= 2 ULTIMATE.start_main_~i~5) (<= 1 ULTIMATE.start_main_~n~5) (= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~k~5 1))) (and (<= 0 ULTIMATE.start_main_~i~5) (<= ULTIMATE.start_main_~i~5 0) (= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~k~5)) (and (<= 2 ULTIMATE.start_main_~k~5) (<= (+ ULTIMATE.start_main_~n~5 2) (+ ULTIMATE.start_main_~k~5 ULTIMATE.start_main_~i~5)))) [2018-09-28 10:33:41,856 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 52) no Hoare annotation was computed. [2018-09-28 10:33:41,856 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 51) no Hoare annotation was computed. [2018-09-28 10:33:41,856 INFO L422 ceAbstractionStarter]: At program point L49(lines 26 49) the Hoare annotation is: (or (and (<= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~k~5 2)) (<= 1 ULTIMATE.start_main_~k~5) (<= 4 ULTIMATE.start_main_~i~5)) (and (<= 2 ULTIMATE.start_main_~i~5) (<= 1 ULTIMATE.start_main_~n~5) (= ULTIMATE.start_main_~n~5 (+ ULTIMATE.start_main_~k~5 1))) (and (<= 0 ULTIMATE.start_main_~i~5) (<= ULTIMATE.start_main_~i~5 0) (= ULTIMATE.start_main_~n~5 ULTIMATE.start_main_~k~5)) (and (<= 2 ULTIMATE.start_main_~k~5) (<= (+ ULTIMATE.start_main_~n~5 2) (+ ULTIMATE.start_main_~k~5 ULTIMATE.start_main_~i~5)))) [2018-09-28 10:33:41,857 INFO L422 ceAbstractionStarter]: At program point L42(lines 42 50) the Hoare annotation is: false [2018-09-28 10:33:41,868 INFO L202 PluginConnector]: Adding new model half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.09 10:33:41 BoogieIcfgContainer [2018-09-28 10:33:41,869 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-28 10:33:41,870 INFO L168 Benchmark]: Toolchain (without parser) took 3522.28 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 140.1 MB). Peak memory consumption was 140.1 MB. Max. memory is 7.1 GB. [2018-09-28 10:33:41,871 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-28 10:33:41,872 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.56 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-28 10:33:41,873 INFO L168 Benchmark]: Boogie Preprocessor took 21.03 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-28 10:33:41,874 INFO L168 Benchmark]: RCFGBuilder took 315.94 ms. Allocated memory is still 1.6 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. [2018-09-28 10:33:41,875 INFO L168 Benchmark]: TraceAbstraction took 3134.49 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 119.0 MB). Peak memory consumption was 119.0 MB. Max. memory is 7.1 GB. [2018-09-28 10:33:41,880 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 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 44.56 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 21.03 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 315.94 ms. Allocated memory is still 1.6 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 3134.49 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 119.0 MB). Peak memory consumption was 119.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 51]: 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: 42]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: ((((main_~n~5 <= main_~k~5 + 2 && 1 <= main_~k~5) && 4 <= main_~i~5) || ((2 <= main_~i~5 && 1 <= main_~n~5) && main_~n~5 == main_~k~5 + 1)) || ((0 <= main_~i~5 && main_~i~5 <= 0) && main_~n~5 == main_~k~5)) || (2 <= main_~k~5 && main_~n~5 + 2 <= main_~k~5 + main_~i~5) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((main_~n~5 <= main_~k~5 + 2 && 1 <= main_~k~5) && 4 <= main_~i~5) || ((2 <= main_~i~5 && 1 <= main_~n~5) && main_~n~5 == main_~k~5 + 1)) || ((0 <= main_~i~5 && main_~i~5 <= 0) && main_~n~5 == main_~k~5)) || (2 <= main_~k~5 && main_~n~5 + 2 <= main_~k~5 + main_~i~5) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. SAFE Result, 3.0s OverallTime, 4 OverallIterations, 4 TraceHistogramMax, 0.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 20 SDtfs, 0 SDslu, 29 SDs, 0 SdLazy, 47 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=3, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 9 NumberOfFragments, 93 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 45 ConstructedInterpolants, 0 QuantifiedInterpolants, 1887 SizeOfPredicates, 13 NumberOfNonLiveVariables, 99 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 0/40 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/half_2.i_3.bpl_svcomp-Reach-32bit-Automizer_Default_PUPT.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-28_10-33-41-896.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/half_2.i_3.bpl_svcomp-Reach-32bit-Automizer_Default_PUPT.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-28_10-33-41-896.csv Received shutdown request...