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/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired02-ForwardSuccess.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-10-01 00:59:27,741 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-01 00:59:27,743 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-01 00:59:27,755 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-01 00:59:27,755 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-01 00:59:27,756 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-01 00:59:27,757 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-01 00:59:27,759 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-01 00:59:27,761 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-01 00:59:27,762 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-01 00:59:27,763 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-01 00:59:27,763 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-01 00:59:27,764 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-01 00:59:27,765 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-01 00:59:27,766 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-01 00:59:27,767 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-01 00:59:27,768 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-01 00:59:27,772 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-01 00:59:27,774 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-01 00:59:27,779 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-01 00:59:27,780 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-01 00:59:27,781 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-01 00:59:27,783 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-01 00:59:27,791 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 [2018-10-01 00:59:27,805 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-01 00:59:27,806 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-01 00:59:27,806 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-01 00:59:27,807 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-01 00:59:27,807 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-01 00:59:27,807 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-01 00:59:27,808 INFO L133 SettingsManager]: * Use SBE=true [2018-10-01 00:59:27,808 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-01 00:59:27,808 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-01 00:59:27,808 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-01 00:59:27,808 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-01 00:59:27,809 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-01 00:59:27,809 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-01 00:59:27,809 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-01 00:59:27,809 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-01 00:59:27,809 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-01 00:59:27,810 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-01 00:59:27,810 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-01 00:59:27,810 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-01 00:59:27,810 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-01 00:59:27,811 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-01 00:59:27,811 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-01 00:59:27,811 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-01 00:59:27,811 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-01 00:59:27,811 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-01 00:59:27,812 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-01 00:59:27,812 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-01 00:59:27,812 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-01 00:59:27,812 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-01 00:59:27,812 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-01 00:59:27,813 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-01 00:59:27,869 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-01 00:59:27,883 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-01 00:59:27,890 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-01 00:59:27,892 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-01 00:59:27,892 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-01 00:59:27,893 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired02-ForwardSuccess.bpl [2018-10-01 00:59:27,893 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired02-ForwardSuccess.bpl' [2018-10-01 00:59:27,946 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-01 00:59:27,951 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-01 00:59:27,952 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-01 00:59:27,952 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-01 00:59:27,952 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-01 00:59:27,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 12:59:27" (1/1) ... [2018-10-01 00:59:27,986 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 12:59:27" (1/1) ... [2018-10-01 00:59:27,991 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-01 00:59:27,991 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-01 00:59:27,992 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-01 00:59:27,994 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-01 00:59:27,995 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-01 00:59:27,995 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-01 00:59:27,995 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-01 00:59:28,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 12:59:27" (1/1) ... [2018-10-01 00:59:28,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 12:59:27" (1/1) ... [2018-10-01 00:59:28,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 12:59:27" (1/1) ... [2018-10-01 00:59:28,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 12:59:27" (1/1) ... [2018-10-01 00:59:28,011 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 12:59:27" (1/1) ... [2018-10-01 00:59:28,017 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 12:59:27" (1/1) ... [2018-10-01 00:59:28,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 12:59:27" (1/1) ... [2018-10-01 00:59:28,019 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-01 00:59:28,019 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-01 00:59:28,020 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-01 00:59:28,020 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-01 00:59:28,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 12:59:27" (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 [2018-10-01 00:59:28,096 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2018-10-01 00:59:28,097 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2018-10-01 00:59:28,268 INFO L345 CfgBuilder]: Using library mode [2018-10-01 00:59:28,269 INFO L202 PluginConnector]: Adding new model DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 12:59:28 BoogieIcfgContainer [2018-10-01 00:59:28,269 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-01 00:59:28,270 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-01 00:59:28,270 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-01 00:59:28,273 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-01 00:59:28,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 12:59:27" (1/2) ... [2018-10-01 00:59:28,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a9535c5 and model type DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.10 12:59:28, skipping insertion in model container [2018-10-01 00:59:28,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 12:59:28" (2/2) ... [2018-10-01 00:59:28,277 INFO L112 eAbstractionObserver]: Analyzing ICFG DivisibilityInterpolantRequired02-ForwardSuccess.bpl [2018-10-01 00:59:28,286 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-01 00:59:28,294 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-01 00:59:28,341 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-01 00:59:28,341 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-10-01 00:59:28,342 INFO L382 AbstractCegarLoop]: Hoare is true [2018-10-01 00:59:28,342 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-01 00:59:28,342 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-01 00:59:28,342 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-01 00:59:28,342 INFO L386 AbstractCegarLoop]: Difference is false [2018-10-01 00:59:28,343 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-01 00:59:28,343 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-01 00:59:28,357 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-10-01 00:59:28,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-10-01 00:59:28,364 INFO L367 BasicCegarLoop]: Found error trace [2018-10-01 00:59:28,365 INFO L375 BasicCegarLoop]: trace histogram [1, 1] [2018-10-01 00:59:28,366 INFO L423 AbstractCegarLoop]: === Iteration 1 === [procErr0ASSERT_VIOLATIONASSERT]=== [2018-10-01 00:59:28,373 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-01 00:59:28,373 INFO L82 PathProgramCache]: Analyzing trace with hash 967, now seen corresponding path program 1 times [2018-10-01 00:59:28,375 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-01 00:59:28,376 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-01 00:59:28,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-01 00:59:28,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-01 00:59:28,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-01 00:59:28,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 00:59:28,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 00:59:28,575 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-01 00:59:28,576 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-10-01 00:59:28,579 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-01 00:59:28,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-01 00:59:28,593 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-10-01 00:59:28,595 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2018-10-01 00:59:28,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-01 00:59:28,705 INFO L93 Difference]: Finished difference Result 5 states and 5 transitions. [2018-10-01 00:59:28,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-01 00:59:28,708 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2018-10-01 00:59:28,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-01 00:59:28,730 INFO L225 Difference]: With dead ends: 5 [2018-10-01 00:59:28,730 INFO L226 Difference]: Without dead ends: 0 [2018-10-01 00:59:28,739 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-10-01 00:59:28,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-01 00:59:28,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-01 00:59:28,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-01 00:59:28,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-01 00:59:28,788 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2 [2018-10-01 00:59:28,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-01 00:59:28,789 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-01 00:59:28,789 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-01 00:59:28,789 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-01 00:59:28,789 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-01 00:59:28,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-01 00:59:28,879 INFO L422 ceAbstractionStarter]: At program point L16-1(lines 16 18) the Hoare annotation is: (let ((.cse0 (div proc_a 2))) (or (<= proc_a (* 2 .cse0)) (< 3 .cse0))) [2018-10-01 00:59:28,879 INFO L426 ceAbstractionStarter]: For program point procErr0ASSERT_VIOLATIONASSERT(line 19) no Hoare annotation was computed. [2018-10-01 00:59:28,879 INFO L426 ceAbstractionStarter]: For program point procEXIT(lines 12 20) no Hoare annotation was computed. [2018-10-01 00:59:28,879 INFO L426 ceAbstractionStarter]: For program point procENTRY(lines 12 20) no Hoare annotation was computed. [2018-10-01 00:59:28,880 INFO L426 ceAbstractionStarter]: For program point procFINAL(lines 12 20) no Hoare annotation was computed. [2018-10-01 00:59:28,890 INFO L202 PluginConnector]: Adding new model DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.10 12:59:28 BoogieIcfgContainer [2018-10-01 00:59:28,890 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-01 00:59:28,891 INFO L168 Benchmark]: Toolchain (without parser) took 944.46 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-10-01 00:59:28,893 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-01 00:59:28,894 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.51 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-01 00:59:28,895 INFO L168 Benchmark]: Boogie Preprocessor took 24.47 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-01 00:59:28,896 INFO L168 Benchmark]: RCFGBuilder took 249.61 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-01 00:59:28,897 INFO L168 Benchmark]: TraceAbstraction took 620.12 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-01 00:59:28,902 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 42.51 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.47 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 249.61 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 620.12 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 19]: 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: 16]: Loop Invariant Derived loop invariant: a <= 2 * (a / 2) || 3 < a / 2 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 5 locations, 1 error locations. SAFE Result, 0.5s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 2 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 13 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 14 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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/DivisibilityInterpolantRequired02-ForwardSuccess.bpl_svcomp-Reach-32bit-Automizer_Default_PUPT.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-10-01_00-59-28-915.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/DivisibilityInterpolantRequired02-ForwardSuccess.bpl_svcomp-Reach-32bit-Automizer_Default_PUPT.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-01_00-59-28-915.csv Received shutdown request...