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 [2018-09-30 20:48:34,210 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 20:48:34,212 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 20:48:34,228 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 20:48:34,229 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 20:48:34,231 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 20:48:34,232 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 20:48:34,234 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 20:48:34,236 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 20:48:34,237 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 20:48:34,239 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 20:48:34,239 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 20:48:34,240 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 20:48:34,241 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 20:48:34,244 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 20:48:34,245 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 20:48:34,246 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 20:48:34,255 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 20:48:34,257 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 20:48:34,259 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 20:48:34,261 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 20:48:34,263 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 20:48:34,267 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-30 20:48:34,280 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 [2018-09-30 20:48:34,308 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 20:48:34,308 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 20:48:34,309 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 20:48:34,309 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 20:48:34,310 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 20:48:34,311 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 20:48:34,311 INFO L133 SettingsManager]: * Use SBE=true [2018-09-30 20:48:34,311 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 20:48:34,311 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 20:48:34,312 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 20:48:34,312 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 20:48:34,313 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 20:48:34,313 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 20:48:34,313 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 20:48:34,313 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 20:48:34,313 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 20:48:34,314 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 20:48:34,314 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 20:48:34,314 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 20:48:34,314 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-30 20:48:34,315 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 20:48:34,316 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-30 20:48:34,316 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-30 20:48:34,316 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 20:48:34,316 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 20:48:34,316 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 20:48:34,317 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-30 20:48:34,317 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 20:48:34,317 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 20:48:34,317 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 20:48:34,318 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-30 20:48:34,379 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 20:48:34,393 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 20:48:34,399 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 20:48:34,400 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 20:48:34,401 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 20:48:34,402 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired02-ForwardSuccess.bpl [2018-09-30 20:48:34,402 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired02-ForwardSuccess.bpl' [2018-09-30 20:48:34,453 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 20:48:34,456 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 20:48:34,457 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 20:48:34,457 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 20:48:34,457 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 20:48:34,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:48:34" (1/1) ... [2018-09-30 20:48:34,491 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:48:34" (1/1) ... [2018-09-30 20:48:34,496 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-30 20:48:34,496 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-30 20:48:34,497 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-30 20:48:34,499 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 20:48:34,499 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 20:48:34,500 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 20:48:34,500 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 20:48:34,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:48:34" (1/1) ... [2018-09-30 20:48:34,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:48:34" (1/1) ... [2018-09-30 20:48:34,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:48:34" (1/1) ... [2018-09-30 20:48:34,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:48:34" (1/1) ... [2018-09-30 20:48:34,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:48:34" (1/1) ... [2018-09-30 20:48:34,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:48:34" (1/1) ... [2018-09-30 20:48:34,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:48:34" (1/1) ... [2018-09-30 20:48:34,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 20:48:34,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 20:48:34,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 20:48:34,523 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 20:48:34,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:48:34" (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 [2018-09-30 20:48:34,589 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2018-09-30 20:48:34,589 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2018-09-30 20:48:34,714 INFO L345 CfgBuilder]: Using library mode [2018-09-30 20:48:34,714 INFO L202 PluginConnector]: Adding new model DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 08:48:34 BoogieIcfgContainer [2018-09-30 20:48:34,714 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 20:48:34,715 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-30 20:48:34,715 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-30 20:48:34,718 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-30 20:48:34,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:48:34" (1/2) ... [2018-09-30 20:48:34,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41f0c477 and model type DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.09 08:48:34, skipping insertion in model container [2018-09-30 20:48:34,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 08:48:34" (2/2) ... [2018-09-30 20:48:34,722 INFO L112 eAbstractionObserver]: Analyzing ICFG DivisibilityInterpolantRequired02-ForwardSuccess.bpl [2018-09-30 20:48:34,731 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-30 20:48:34,739 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-30 20:48:34,788 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-30 20:48:34,788 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-30 20:48:34,789 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-30 20:48:34,789 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-30 20:48:34,789 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-30 20:48:34,789 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-30 20:48:34,789 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-30 20:48:34,790 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-30 20:48:34,790 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-30 20:48:34,804 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-09-30 20:48:34,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-09-30 20:48:34,811 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:48:34,812 INFO L375 BasicCegarLoop]: trace histogram [1, 1] [2018-09-30 20:48:34,813 INFO L423 AbstractCegarLoop]: === Iteration 1 === [procErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:48:34,820 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 20:48:34,820 INFO L82 PathProgramCache]: Analyzing trace with hash 967, now seen corresponding path program 1 times [2018-09-30 20:48:34,822 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:48:34,823 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:48:34,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:48:34,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:48:34,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:48:34,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:48:35,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:48:35,024 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 20:48:35,024 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-09-30 20:48:35,028 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 20:48:35,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 20:48:35,040 INFO L146 InterpolantAutomaton]: No coverage relation statistics for PredicateCoverageChecker [2018-09-30 20:48:35,043 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2018-09-30 20:48:35,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:48:35,129 INFO L93 Difference]: Finished difference Result 5 states and 5 transitions. [2018-09-30 20:48:35,129 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 20:48:35,131 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2018-09-30 20:48:35,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:48:35,143 INFO L225 Difference]: With dead ends: 5 [2018-09-30 20:48:35,143 INFO L226 Difference]: Without dead ends: 0 [2018-09-30 20:48:35,149 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time [2018-09-30 20:48:35,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-30 20:48:35,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-30 20:48:35,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-30 20:48:35,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-30 20:48:35,220 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2 [2018-09-30 20:48:35,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:48:35,220 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-30 20:48:35,220 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 20:48:35,220 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-30 20:48:35,220 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-30 20:48:35,230 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-30 20:48:35,303 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))) [2018-09-30 20:48:35,304 INFO L426 ceAbstractionStarter]: For program point procEXIT(lines 12 20) no Hoare annotation was computed. [2018-09-30 20:48:35,304 INFO L426 ceAbstractionStarter]: For program point procENTRY(lines 12 20) no Hoare annotation was computed. [2018-09-30 20:48:35,304 INFO L426 ceAbstractionStarter]: For program point procErr0ASSERT_VIOLATIONASSERT(line 19) no Hoare annotation was computed. [2018-09-30 20:48:35,304 INFO L426 ceAbstractionStarter]: For program point procFINAL(lines 12 20) no Hoare annotation was computed. [2018-09-30 20:48:35,320 INFO L202 PluginConnector]: Adding new model DivisibilityInterpolantRequired02-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.09 08:48:35 BoogieIcfgContainer [2018-09-30 20:48:35,320 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-30 20:48:35,321 INFO L168 Benchmark]: Toolchain (without parser) took 867.36 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-09-30 20:48:35,323 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. [2018-09-30 20:48:35,324 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.36 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. [2018-09-30 20:48:35,325 INFO L168 Benchmark]: Boogie Preprocessor took 22.41 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. [2018-09-30 20:48:35,326 INFO L168 Benchmark]: RCFGBuilder took 192.14 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-30 20:48:35,327 INFO L168 Benchmark]: TraceAbstraction took 604.64 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-30 20:48:35,332 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 42.36 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 22.41 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 192.14 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 604.64 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * 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-0-2018-09-30_20-48-35-345.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-0-2018-09-30_20-48-35-345.csv Received shutdown request...