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/20170319-ConjunctivePathPrograms/half_2.i_3.bplTransformedIcfg_BEv2_5.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d19836b [2018-09-26 21:44:42,331 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 21:44:42,333 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 21:44:42,345 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 21:44:42,345 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 21:44:42,346 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 21:44:42,349 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 21:44:42,351 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 21:44:42,353 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 21:44:42,357 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 21:44:42,358 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 21:44:42,358 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 21:44:42,359 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 21:44:42,360 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 21:44:42,361 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 21:44:42,362 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 21:44:42,363 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 21:44:42,365 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 21:44:42,367 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 21:44:42,368 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 21:44:42,369 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 21:44:42,371 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 21:44:42,373 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-26 21:44:42,385 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 [2018-09-26 21:44:42,416 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 21:44:42,417 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 21:44:42,417 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 21:44:42,418 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 21:44:42,418 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 21:44:42,418 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 21:44:42,419 INFO L133 SettingsManager]: * Use SBE=true [2018-09-26 21:44:42,419 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 21:44:42,419 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 21:44:42,419 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 21:44:42,419 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 21:44:42,420 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 21:44:42,420 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 21:44:42,420 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 21:44:42,420 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 21:44:42,420 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 21:44:42,421 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 21:44:42,421 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 21:44:42,421 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 21:44:42,421 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-26 21:44:42,421 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 21:44:42,422 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-26 21:44:42,422 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-26 21:44:42,422 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 21:44:42,422 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 21:44:42,422 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 21:44:42,423 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-26 21:44:42,423 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 21:44:42,423 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 21:44:42,423 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 21:44:42,423 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-26 21:44:42,485 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 21:44:42,497 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 21:44:42,504 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 21:44:42,505 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 21:44:42,506 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 21:44:42,507 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/half_2.i_3.bplTransformedIcfg_BEv2_5.bpl [2018-09-26 21:44:42,507 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/half_2.i_3.bplTransformedIcfg_BEv2_5.bpl' [2018-09-26 21:44:42,565 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 21:44:42,568 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 21:44:42,569 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 21:44:42,569 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 21:44:42,571 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 21:44:42,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:44:42" (1/1) ... [2018-09-26 21:44:42,602 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:44:42" (1/1) ... [2018-09-26 21:44:42,609 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 21:44:42,611 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 21:44:42,611 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 21:44:42,611 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 21:44:42,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:44:42" (1/1) ... [2018-09-26 21:44:42,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:44:42" (1/1) ... [2018-09-26 21:44:42,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:44:42" (1/1) ... [2018-09-26 21:44:42,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:44:42" (1/1) ... [2018-09-26 21:44:42,630 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:44:42" (1/1) ... [2018-09-26 21:44:42,633 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:44:42" (1/1) ... [2018-09-26 21:44:42,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:44:42" (1/1) ... [2018-09-26 21:44:42,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 21:44:42,636 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 21:44:42,637 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 21:44:42,637 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 21:44:42,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:44:42" (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 [2018-09-26 21:44:42,721 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-09-26 21:44:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 21:44:42,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 21:44:42,970 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 21:44:42,971 INFO L202 PluginConnector]: Adding new model half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:44:42 BoogieIcfgContainer [2018-09-26 21:44:42,971 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 21:44:42,972 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 21:44:42,972 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 21:44:42,975 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 21:44:42,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:44:42" (1/2) ... [2018-09-26 21:44:42,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6389e1ee and model type half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 09:44:42, skipping insertion in model container [2018-09-26 21:44:42,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:44:42" (2/2) ... [2018-09-26 21:44:42,979 INFO L112 eAbstractionObserver]: Analyzing ICFG half_2.i_3.bplTransformedIcfg_BEv2_5.bpl [2018-09-26 21:44:42,992 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-26 21:44:43,004 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 21:44:43,055 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 21:44:43,056 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 21:44:43,056 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 21:44:43,056 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-26 21:44:43,056 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 21:44:43,057 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 21:44:43,057 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 21:44:43,057 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 21:44:43,057 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 21:44:43,073 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-09-26 21:44:43,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-26 21:44:43,079 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 21:44:43,081 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-09-26 21:44:43,082 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 21:44:43,094 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-26 21:44:43,098 INFO L82 PathProgramCache]: Analyzing trace with hash 30017, now seen corresponding path program 1 times [2018-09-26 21:44:43,101 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-26 21:44:43,102 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-26 21:44:43,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:44:43,161 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-26 21:44:43,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:44:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 21:44:43,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 21:44:43,283 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 21:44:43,283 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 21:44:43,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 21:44:43,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 21:44:43,302 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-26 21:44:43,304 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-09-26 21:44:43,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 21:44:43,466 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2018-09-26 21:44:43,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 21:44:43,468 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-09-26 21:44:43,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 21:44:43,481 INFO L225 Difference]: With dead ends: 9 [2018-09-26 21:44:43,481 INFO L226 Difference]: Without dead ends: 5 [2018-09-26 21:44:43,486 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-26 21:44:43,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2018-09-26 21:44:43,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2018-09-26 21:44:43,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-09-26 21:44:43,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-26 21:44:43,527 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2018-09-26 21:44:43,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 21:44:43,528 INFO L480 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2018-09-26 21:44:43,528 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 21:44:43,528 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-26 21:44:43,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 21:44:43,529 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 21:44:43,530 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 21:44:43,530 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 21:44:43,530 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-26 21:44:43,531 INFO L82 PathProgramCache]: Analyzing trace with hash 928552, now seen corresponding path program 1 times [2018-09-26 21:44:43,531 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-26 21:44:43,531 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-26 21:44:43,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:44:43,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-26 21:44:43,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:44:43,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 21:44:43,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 21:44:43,650 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-26 21:44:43,650 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 [2018-09-26 21:44:43,662 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-26 21:44:43,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 21:44:43,687 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 21:44:43,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 21:44:43,949 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-26 21:44:43,950 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2018-09-26 21:44:43,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-26 21:44:43,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-26 21:44:43,951 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-26 21:44:43,951 INFO L87 Difference]: Start difference. First operand 5 states and 5 transitions. Second operand 6 states. [2018-09-26 21:44:44,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 21:44:44,218 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2018-09-26 21:44:44,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-26 21:44:44,219 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 4 [2018-09-26 21:44:44,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 21:44:44,219 INFO L225 Difference]: With dead ends: 8 [2018-09-26 21:44:44,220 INFO L226 Difference]: Without dead ends: 6 [2018-09-26 21:44:44,221 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-26 21:44:44,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2018-09-26 21:44:44,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2018-09-26 21:44:44,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-09-26 21:44:44,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-09-26 21:44:44,224 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 4 [2018-09-26 21:44:44,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 21:44:44,224 INFO L480 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2018-09-26 21:44:44,224 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-26 21:44:44,225 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-09-26 21:44:44,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-26 21:44:44,225 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 21:44:44,225 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1] [2018-09-26 21:44:44,226 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 21:44:44,226 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-26 21:44:44,226 INFO L82 PathProgramCache]: Analyzing trace with hash 28783137, now seen corresponding path program 2 times [2018-09-26 21:44:44,226 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-26 21:44:44,227 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-26 21:44:44,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:44:44,228 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-26 21:44:44,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:44:44,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 21:44:44,403 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 21:44:44,403 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-26 21:44:44,404 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 [2018-09-26 21:44:44,418 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-09-26 21:44:44,441 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-09-26 21:44:44,441 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-09-26 21:44:44,443 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 21:44:44,590 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 21:44:44,613 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-26 21:44:44,613 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2018-09-26 21:44:44,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-26 21:44:44,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-26 21:44:44,614 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-26 21:44:44,614 INFO L87 Difference]: Start difference. First operand 6 states and 6 transitions. Second operand 7 states. [2018-09-26 21:44:44,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 21:44:44,927 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2018-09-26 21:44:44,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-26 21:44:44,928 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 5 [2018-09-26 21:44:44,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 21:44:44,928 INFO L225 Difference]: With dead ends: 9 [2018-09-26 21:44:44,929 INFO L226 Difference]: Without dead ends: 7 [2018-09-26 21:44:44,929 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-26 21:44:44,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-09-26 21:44:44,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-09-26 21:44:44,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-26 21:44:44,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-26 21:44:44,932 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2018-09-26 21:44:44,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 21:44:44,933 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-09-26 21:44:44,933 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-26 21:44:44,933 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-26 21:44:44,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 21:44:44,933 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 21:44:44,934 INFO L375 BasicCegarLoop]: trace histogram [3, 1, 1, 1] [2018-09-26 21:44:44,934 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 21:44:44,934 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-26 21:44:44,935 INFO L82 PathProgramCache]: Analyzing trace with hash 892275272, now seen corresponding path program 3 times [2018-09-26 21:44:44,935 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-26 21:44:44,935 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-26 21:44:44,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:44:44,936 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-09-26 21:44:44,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-26 21:44:44,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 21:44:45,154 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 21:44:45,155 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-26 21:44:45,155 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 [2018-09-26 21:44:45,170 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-09-26 21:44:45,180 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-09-26 21:44:45,181 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-09-26 21:44:45,182 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 21:44:45,323 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 21:44:45,345 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-26 21:44:45,345 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2018-09-26 21:44:45,345 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-26 21:44:45,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-26 21:44:45,346 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-26 21:44:45,346 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 9 states. [2018-09-26 21:44:45,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 21:44:45,992 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2018-09-26 21:44:45,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-26 21:44:45,992 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 6 [2018-09-26 21:44:45,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 21:44:45,992 INFO L225 Difference]: With dead ends: 7 [2018-09-26 21:44:45,993 INFO L226 Difference]: Without dead ends: 0 [2018-09-26 21:44:45,993 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-26 21:44:45,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-26 21:44:45,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-26 21:44:45,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-26 21:44:45,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-26 21:44:45,994 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2018-09-26 21:44:45,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 21:44:45,994 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-26 21:44:45,994 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-26 21:44:45,995 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-26 21:44:45,995 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-26 21:44:45,999 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-26 21:44:46,102 INFO L422 ceAbstractionStarter]: At program point L49(lines 49 50) the Hoare annotation is: false [2018-09-26 21:44:46,102 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 52) no Hoare annotation was computed. [2018-09-26 21:44:46,102 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 51) no Hoare annotation was computed. [2018-09-26 21:44:46,102 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 1 52) no Hoare annotation was computed. [2018-09-26 21:44:46,102 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 52) no Hoare annotation was computed. [2018-09-26 21:44:46,103 INFO L422 ceAbstractionStarter]: At program point L39(lines 28 40) 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) (= 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)))) [2018-09-26 21:44:46,113 INFO L202 PluginConnector]: Adding new model half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 09:44:46 BoogieIcfgContainer [2018-09-26 21:44:46,114 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 21:44:46,115 INFO L168 Benchmark]: Toolchain (without parser) took 3549.09 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: 141.7 MB). Peak memory consumption was 141.7 MB. Max. memory is 7.1 GB. [2018-09-26 21:44:46,117 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 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. [2018-09-26 21:44:46,118 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.12 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. [2018-09-26 21:44:46,119 INFO L168 Benchmark]: Boogie Preprocessor took 25.46 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. [2018-09-26 21:44:46,120 INFO L168 Benchmark]: RCFGBuilder took 334.65 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: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2018-09-26 21:44:46,121 INFO L168 Benchmark]: TraceAbstraction took 3141.91 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: 122.7 MB). Peak memory consumption was 122.7 MB. Max. memory is 7.1 GB. [2018-09-26 21:44:46,127 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 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 41.12 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 25.46 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. * RCFGBuilder took 334.65 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: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3141.91 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: 122.7 MB). Peak memory consumption was 122.7 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: 49]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: ((((main_~n~5 <= main_~k~5 + 2 && 1 <= main_~k~5) && 4 <= main_~i~5) || (2 <= main_~i~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, 6 locations, 1 error locations. SAFE Result, 3.0s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 1.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 10 SDtfs, 0 SDslu, 8 SDs, 0 SdLazy, 60 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred 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, 2 LocationsWithAnnotation, 2 PreInvPairs, 5 NumberOfFragments, 44 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 502 SizeOfPredicates, 7 NumberOfNonLiveVariables, 96 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 0/20 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.bplTransformedIcfg_BEv2_5.bpl_svcomp-Reach-32bit-Automizer_Default_PUPT.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_21-44-46-142.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/half_2.i_3.bplTransformedIcfg_BEv2_5.bpl_svcomp-Reach-32bit-Automizer_Default_PUPT.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_21-44-46-142.csv Received shutdown request...