java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops/array_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 11:45:20,344 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 11:45:20,346 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 11:45:20,364 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 11:45:20,365 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 11:45:20,366 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 11:45:20,367 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 11:45:20,369 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 11:45:20,371 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 11:45:20,372 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 11:45:20,373 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 11:45:20,373 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 11:45:20,374 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 11:45:20,375 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 11:45:20,376 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 11:45:20,377 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 11:45:20,378 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 11:45:20,380 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 11:45:20,382 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 11:45:20,384 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 11:45:20,385 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 11:45:20,387 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 11:45:20,389 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 11:45:20,399 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-24 11:45:20,418 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 11:45:20,418 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 11:45:20,424 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 11:45:20,425 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-24 11:45:20,429 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-24 11:45:20,429 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-24 11:45:20,431 INFO L133 SettingsManager]: * Use SBE=true [2018-10-24 11:45:20,431 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 11:45:20,432 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 11:45:20,433 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 11:45:20,433 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 11:45:20,434 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 11:45:20,434 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 11:45:20,434 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 11:45:20,434 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 11:45:20,436 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 11:45:20,436 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 11:45:20,436 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 11:45:20,436 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 11:45:20,436 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 11:45:20,437 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 11:45:20,437 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 11:45:20,437 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 11:45:20,437 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-24 11:45:20,437 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 11:45:20,438 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 11:45:20,438 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 11:45:20,438 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 11:45:20,501 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 11:45:20,515 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 11:45:20,519 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 11:45:20,520 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 11:45:20,521 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 11:45:20,522 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/loops/array_true-unreach-call_true-termination.i [2018-10-24 11:45:20,587 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/a0a343bb8/c5b1f008c9d34a118382309cbde14880/FLAGd1f84ceeb [2018-10-24 11:45:21,115 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 11:45:21,116 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/array_true-unreach-call_true-termination.i [2018-10-24 11:45:21,124 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/a0a343bb8/c5b1f008c9d34a118382309cbde14880/FLAGd1f84ceeb [2018-10-24 11:45:21,149 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/a0a343bb8/c5b1f008c9d34a118382309cbde14880 [2018-10-24 11:45:21,163 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 11:45:21,167 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 11:45:21,168 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 11:45:21,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 11:45:21,175 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 11:45:21,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:45:21" (1/1) ... [2018-10-24 11:45:21,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6351e815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:45:21, skipping insertion in model container [2018-10-24 11:45:21,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:45:21" (1/1) ... [2018-10-24 11:45:21,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 11:45:21,212 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 11:45:21,408 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 11:45:21,413 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 11:45:21,438 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 11:45:21,464 INFO L193 MainTranslator]: Completed translation [2018-10-24 11:45:21,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:45:21 WrapperNode [2018-10-24 11:45:21,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 11:45:21,466 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 11:45:21,466 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 11:45:21,467 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 11:45:21,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:45:21" (1/1) ... [2018-10-24 11:45:21,489 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:45:21" (1/1) ... [2018-10-24 11:45:21,517 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 11:45:21,519 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 11:45:21,519 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 11:45:21,519 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 11:45:21,530 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:45:21" (1/1) ... [2018-10-24 11:45:21,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:45:21" (1/1) ... [2018-10-24 11:45:21,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:45:21" (1/1) ... [2018-10-24 11:45:21,532 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:45:21" (1/1) ... [2018-10-24 11:45:21,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:45:21" (1/1) ... [2018-10-24 11:45:21,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:45:21" (1/1) ... [2018-10-24 11:45:21,555 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:45:21" (1/1) ... [2018-10-24 11:45:21,564 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 11:45:21,564 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 11:45:21,564 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 11:45:21,565 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 11:45:21,566 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:45:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-24 11:45:21,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 11:45:21,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 11:45:21,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-10-24 11:45:21,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-24 11:45:22,126 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 11:45:22,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:45:22 BoogieIcfgContainer [2018-10-24 11:45:22,127 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 11:45:22,128 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 11:45:22,128 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 11:45:22,131 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 11:45:22,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:45:21" (1/3) ... [2018-10-24 11:45:22,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40e0fce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:45:22, skipping insertion in model container [2018-10-24 11:45:22,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:45:21" (2/3) ... [2018-10-24 11:45:22,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40e0fce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:45:22, skipping insertion in model container [2018-10-24 11:45:22,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:45:22" (3/3) ... [2018-10-24 11:45:22,135 INFO L112 eAbstractionObserver]: Analyzing ICFG array_true-unreach-call_true-termination.i [2018-10-24 11:45:22,145 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 11:45:22,153 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 11:45:22,170 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 11:45:22,203 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-24 11:45:22,204 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 11:45:22,204 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 11:45:22,205 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 11:45:22,205 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 11:45:22,205 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 11:45:22,205 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 11:45:22,205 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 11:45:22,205 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 11:45:22,221 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2018-10-24 11:45:22,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-24 11:45:22,227 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 11:45:22,228 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-10-24 11:45:22,230 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 11:45:22,236 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 11:45:22,237 INFO L82 PathProgramCache]: Analyzing trace with hash 1822080311, now seen corresponding path program 1 times [2018-10-24 11:45:22,239 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 11:45:22,239 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 11:45:22,296 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:45:22,297 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 11:45:22,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:45:22,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:45:22,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 11:45:22,386 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 11:45:22,386 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-24 11:45:22,389 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-24 11:45:22,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-24 11:45:22,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-24 11:45:22,408 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 2 states. [2018-10-24 11:45:22,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 11:45:22,423 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2018-10-24 11:45:22,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-24 11:45:22,425 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2018-10-24 11:45:22,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 11:45:22,435 INFO L225 Difference]: With dead ends: 31 [2018-10-24 11:45:22,435 INFO L226 Difference]: Without dead ends: 14 [2018-10-24 11:45:22,439 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-24 11:45:22,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2018-10-24 11:45:22,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2018-10-24 11:45:22,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-10-24 11:45:22,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2018-10-24 11:45:22,474 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 7 [2018-10-24 11:45:22,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 11:45:22,475 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2018-10-24 11:45:22,475 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-24 11:45:22,475 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2018-10-24 11:45:22,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-24 11:45:22,476 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 11:45:22,476 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 11:45:22,476 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 11:45:22,477 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 11:45:22,477 INFO L82 PathProgramCache]: Analyzing trace with hash 148410185, now seen corresponding path program 1 times [2018-10-24 11:45:22,477 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 11:45:22,477 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 11:45:22,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:45:22,478 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 11:45:22,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:45:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:45:22,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 11:45:22,649 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 11:45:22,649 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 11:45:22,651 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 11:45:22,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 11:45:22,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 11:45:22,652 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand 3 states. [2018-10-24 11:45:22,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 11:45:22,720 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions. [2018-10-24 11:45:22,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 11:45:22,721 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-10-24 11:45:22,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 11:45:22,724 INFO L225 Difference]: With dead ends: 26 [2018-10-24 11:45:22,724 INFO L226 Difference]: Without dead ends: 21 [2018-10-24 11:45:22,725 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 11:45:22,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-10-24 11:45:22,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 16. [2018-10-24 11:45:22,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-10-24 11:45:22,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2018-10-24 11:45:22,733 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 8 [2018-10-24 11:45:22,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 11:45:22,733 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2018-10-24 11:45:22,733 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 11:45:22,733 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-10-24 11:45:22,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-24 11:45:22,735 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 11:45:22,735 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 11:45:22,735 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 11:45:22,736 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 11:45:22,739 INFO L82 PathProgramCache]: Analyzing trace with hash -128241684, now seen corresponding path program 1 times [2018-10-24 11:45:22,740 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 11:45:22,740 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 11:45:22,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:45:22,741 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 11:45:22,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:45:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:45:23,292 WARN L179 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 12 [2018-10-24 11:45:23,442 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 14 [2018-10-24 11:45:23,690 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 11:45:23,690 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 11:45:23,690 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 11:45:23,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 11:45:23,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:45:23,738 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 11:45:24,037 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2018-10-24 11:45:24,047 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 11:45:24,048 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2018-10-24 11:45:24,050 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 11:45:24,073 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:45:24,104 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:45:24,104 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:28, output treesize:5 [2018-10-24 11:45:24,119 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 11:45:24,148 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-24 11:45:24,149 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2018-10-24 11:45:24,149 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-24 11:45:24,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-24 11:45:24,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2018-10-24 11:45:24,151 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand 12 states. [2018-10-24 11:45:25,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 11:45:25,115 INFO L93 Difference]: Finished difference Result 35 states and 38 transitions. [2018-10-24 11:45:25,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-24 11:45:25,116 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 13 [2018-10-24 11:45:25,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 11:45:25,117 INFO L225 Difference]: With dead ends: 35 [2018-10-24 11:45:25,118 INFO L226 Difference]: Without dead ends: 27 [2018-10-24 11:45:25,120 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=121, Invalid=431, Unknown=0, NotChecked=0, Total=552 [2018-10-24 11:45:25,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-10-24 11:45:25,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 17. [2018-10-24 11:45:25,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-10-24 11:45:25,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2018-10-24 11:45:25,126 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 13 [2018-10-24 11:45:25,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 11:45:25,126 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2018-10-24 11:45:25,126 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-24 11:45:25,126 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-10-24 11:45:25,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-24 11:45:25,127 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 11:45:25,127 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 11:45:25,128 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 11:45:25,128 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 11:45:25,128 INFO L82 PathProgramCache]: Analyzing trace with hash 1743595023, now seen corresponding path program 1 times [2018-10-24 11:45:25,128 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 11:45:25,128 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 11:45:25,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:45:25,130 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 11:45:25,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 11:45:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:45:25,703 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 11:45:25,704 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 11:45:25,704 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-24 11:45:25,720 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 11:45:25,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 11:45:25,743 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 11:45:25,892 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-10-24 11:45:25,897 INFO L682 Elim1Store]: detected equality via solver [2018-10-24 11:45:25,898 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 16 [2018-10-24 11:45:25,899 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-24 11:45:25,926 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:45:25,942 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-24 11:45:25,943 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:26, output treesize:3 [2018-10-24 11:45:25,977 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 11:45:26,006 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-24 11:45:26,006 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 13 [2018-10-24 11:45:26,007 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-24 11:45:26,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-24 11:45:26,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2018-10-24 11:45:26,008 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand 13 states. [2018-10-24 11:45:32,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 11:45:32,794 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2018-10-24 11:45:32,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-24 11:45:32,795 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 15 [2018-10-24 11:45:32,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 11:45:32,795 INFO L225 Difference]: With dead ends: 32 [2018-10-24 11:45:32,795 INFO L226 Difference]: Without dead ends: 0 [2018-10-24 11:45:32,796 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 11 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=130, Invalid=517, Unknown=3, NotChecked=0, Total=650 [2018-10-24 11:45:32,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-24 11:45:32,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-24 11:45:32,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-24 11:45:32,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-24 11:45:32,797 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2018-10-24 11:45:32,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 11:45:32,798 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-24 11:45:32,798 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-24 11:45:32,798 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-24 11:45:32,798 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-24 11:45:32,803 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-24 11:45:32,955 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 25 [2018-10-24 11:45:32,960 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-24 11:45:32,960 INFO L425 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-10-24 11:45:32,960 INFO L425 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2018-10-24 11:45:32,960 INFO L425 ceAbstractionStarter]: For program point L19-1(lines 19 24) no Hoare annotation was computed. [2018-10-24 11:45:32,960 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-10-24 11:45:32,961 INFO L425 ceAbstractionStarter]: For program point L19-3(lines 19 24) no Hoare annotation was computed. [2018-10-24 11:45:32,961 INFO L421 ceAbstractionStarter]: At program point L19-4(lines 19 24) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~SIZE~0 1))) (or (and .cse0 (exists ((ULTIMATE.start_main_~j~0 Int)) (let ((.cse1 (mod ULTIMATE.start_main_~j~0 4294967296))) (and (< .cse1 1) (<= ULTIMATE.start_main_~menor~0 (select (select |#memory_int| |ULTIMATE.start_main_~#array~0.base|) (+ (* 4 .cse1) |ULTIMATE.start_main_~#array~0.offset|))))))) (and (= |ULTIMATE.start_main_~#array~0.offset| 0) .cse0 (= ULTIMATE.start_main_~j~0 0)))) [2018-10-24 11:45:32,961 INFO L425 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. [2018-10-24 11:45:32,961 INFO L425 ceAbstractionStarter]: For program point L19-5(lines 19 24) no Hoare annotation was computed. [2018-10-24 11:45:32,961 INFO L425 ceAbstractionStarter]: For program point L15-1(line 15) no Hoare annotation was computed. [2018-10-24 11:45:32,962 INFO L425 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-10-24 11:45:32,962 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-10-24 11:45:32,962 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-10-24 11:45:32,962 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-24 11:45:32,962 INFO L428 ceAbstractionStarter]: At program point L28(lines 11 29) the Hoare annotation is: true [2018-10-24 11:45:32,962 INFO L425 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed. [2018-10-24 11:45:32,963 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-10-24 11:45:32,963 INFO L425 ceAbstractionStarter]: For program point L22-1(lines 22 23) no Hoare annotation was computed. [2018-10-24 11:45:32,963 INFO L425 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-10-24 11:45:32,963 INFO L428 ceAbstractionStarter]: At program point L4-2(lines 3 8) the Hoare annotation is: true [2018-10-24 11:45:32,968 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~j~0,QUANTIFIED] [2018-10-24 11:45:32,969 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~j~0,QUANTIFIED] [2018-10-24 11:45:32,971 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 11:45:32,976 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~j~0,QUANTIFIED] [2018-10-24 11:45:32,977 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~j~0,QUANTIFIED] [2018-10-24 11:45:32,977 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 11:45:32,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:45:32 BoogieIcfgContainer [2018-10-24 11:45:32,980 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 11:45:32,981 INFO L168 Benchmark]: Toolchain (without parser) took 11817.72 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 703.1 MB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -508.9 MB). Peak memory consumption was 194.2 MB. Max. memory is 7.1 GB. [2018-10-24 11:45:32,983 INFO L168 Benchmark]: CDTParser took 0.24 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. [2018-10-24 11:45:32,983 INFO L168 Benchmark]: CACSL2BoogieTranslator took 297.34 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-10-24 11:45:32,984 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.36 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. [2018-10-24 11:45:32,985 INFO L168 Benchmark]: Boogie Preprocessor took 44.99 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. [2018-10-24 11:45:32,985 INFO L168 Benchmark]: RCFGBuilder took 563.18 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 703.1 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -753.3 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2018-10-24 11:45:32,986 INFO L168 Benchmark]: TraceAbstraction took 10852.16 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 1.9 GB in the end (delta: 233.8 MB). Peak memory consumption was 233.8 MB. Max. memory is 7.1 GB. [2018-10-24 11:45:32,991 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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. * CACSL2BoogieTranslator took 297.34 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 52.36 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 44.99 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 563.18 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 703.1 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -753.3 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10852.16 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 1.9 GB in the end (delta: 233.8 MB). Peak memory consumption was 233.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~j~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~j~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~j~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~j~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant [2018-10-24 11:45:33,000 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~j~0,QUANTIFIED] [2018-10-24 11:45:33,001 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~j~0,QUANTIFIED] [2018-10-24 11:45:33,001 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-24 11:45:33,002 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~j~0,QUANTIFIED] [2018-10-24 11:45:33,002 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~j~0,QUANTIFIED] [2018-10-24 11:45:33,003 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (SIZE == 1 && (\exists ULTIMATE.start_main_~j~0 : int :: ULTIMATE.start_main_~j~0 % 4294967296 < 1 && menor <= unknown-#memory_int-unknown[array][4 * (ULTIMATE.start_main_~j~0 % 4294967296) + array])) || ((array == 0 && SIZE == 1) && j == 0) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 20 locations, 1 error locations. SAFE Result, 10.7s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 7.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 43 SDtfs, 65 SDslu, 74 SDs, 0 SdLazy, 194 SolverSat, 31 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 24 SyntacticMatches, 5 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 246 ImplicationChecksByTransitivity, 8.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred 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, 4 MinimizatonAttempts, 15 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 9 NumberOfFragments, 37 HoareAnnotationTreeSize, 3 FomulaSimplifications, 150 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 64 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 65 ConstructedInterpolants, 10 QuantifiedInterpolants, 6473 SizeOfPredicates, 20 NumberOfNonLiveVariables, 120 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 0/8 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...