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_false-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:17:17,688 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:17:17,690 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:17:17,705 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:17:17,706 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:17:17,710 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:17:17,712 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:17:17,715 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:17:17,716 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:17:17,718 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:17:17,719 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:17:17,721 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:17:17,722 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:17:17,725 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:17:17,728 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:17:17,734 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:17:17,735 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:17:17,737 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:17:17,739 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:17:17,740 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:17:17,741 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:17:17,742 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:17:17,745 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-26 22:17:17,758 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 [2018-10-26 22:17:17,785 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:17:17,786 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:17:17,787 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:17:17,787 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 22:17:17,788 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 22:17:17,793 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 22:17:17,794 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 22:17:17,794 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:17:17,794 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:17:17,794 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:17:17,794 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:17:17,795 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:17:17,795 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:17:17,795 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:17:17,795 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:17:17,796 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:17:17,796 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 22:17:17,796 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:17:17,797 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 22:17:17,797 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:17:17,798 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:17:17,798 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:17:17,798 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:17:17,798 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-26 22:17:17,798 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:17:17,799 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:17:17,799 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 22:17:17,799 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-26 22:17:17,861 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:17:17,876 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:17:17,880 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:17:17,881 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:17:17,882 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:17:17,882 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/loops/array_false-unreach-call_true-termination.i [2018-10-26 22:17:17,958 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/3d421b05b/bc4fbd326780491c8ef301b4f9a25225/FLAG39531591c [2018-10-26 22:17:18,381 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:17:18,382 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/array_false-unreach-call_true-termination.i [2018-10-26 22:17:18,388 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/3d421b05b/bc4fbd326780491c8ef301b4f9a25225/FLAG39531591c [2018-10-26 22:17:18,402 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/3d421b05b/bc4fbd326780491c8ef301b4f9a25225 [2018-10-26 22:17:18,412 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:17:18,414 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 22:17:18,415 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:17:18,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:17:18,419 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:17:18,420 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:17:18" (1/1) ... [2018-10-26 22:17:18,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@466a8406 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:17:18, skipping insertion in model container [2018-10-26 22:17:18,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:17:18" (1/1) ... [2018-10-26 22:17:18,433 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:17:18,458 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:17:18,686 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:17:18,692 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:17:18,717 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:17:18,739 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:17:18,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:17:18 WrapperNode [2018-10-26 22:17:18,739 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:17:18,741 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:17:18,741 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:17:18,741 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:17:18,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:17:18" (1/1) ... [2018-10-26 22:17:18,759 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:17:18" (1/1) ... [2018-10-26 22:17:18,779 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:17:18,780 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:17:18,780 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:17:18,780 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:17:18,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:17:18" (1/1) ... [2018-10-26 22:17:18,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:17:18" (1/1) ... [2018-10-26 22:17:18,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:17:18" (1/1) ... [2018-10-26 22:17:18,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:17:18" (1/1) ... [2018-10-26 22:17:18,797 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:17:18" (1/1) ... [2018-10-26 22:17:18,802 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:17:18" (1/1) ... [2018-10-26 22:17:18,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:17:18" (1/1) ... [2018-10-26 22:17:18,805 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:17:18,806 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:17:18,806 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:17:18,806 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:17:18,807 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:17:18" (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 [2018-10-26 22:17:18,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:17:18,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:17:18,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-10-26 22:17:18,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-26 22:17:19,324 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:17:19,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:17:19 BoogieIcfgContainer [2018-10-26 22:17:19,325 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:17:19,326 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 22:17:19,326 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 22:17:19,330 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 22:17:19,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:17:18" (1/3) ... [2018-10-26 22:17:19,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d376dca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:17:19, skipping insertion in model container [2018-10-26 22:17:19,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:17:18" (2/3) ... [2018-10-26 22:17:19,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d376dca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:17:19, skipping insertion in model container [2018-10-26 22:17:19,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:17:19" (3/3) ... [2018-10-26 22:17:19,334 INFO L112 eAbstractionObserver]: Analyzing ICFG array_false-unreach-call_true-termination.i [2018-10-26 22:17:19,344 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 22:17:19,353 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 22:17:19,371 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 22:17:19,403 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 22:17:19,404 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 22:17:19,404 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 22:17:19,404 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 22:17:19,404 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 22:17:19,405 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 22:17:19,405 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 22:17:19,405 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 22:17:19,405 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 22:17:19,422 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2018-10-26 22:17:19,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-26 22:17:19,429 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:17:19,430 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:17:19,433 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:17:19,438 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:17:19,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1822080311, now seen corresponding path program 1 times [2018-10-26 22:17:19,441 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:17:19,441 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:17:19,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:17:19,494 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:17:19,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:17:19,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:17:19,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:17:19,572 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:17:19,572 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 22:17:19,576 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 22:17:19,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 22:17:19,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 22:17:19,591 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 2 states. [2018-10-26 22:17:19,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:17:19,606 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2018-10-26 22:17:19,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 22:17:19,608 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2018-10-26 22:17:19,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:17:19,619 INFO L225 Difference]: With dead ends: 31 [2018-10-26 22:17:19,619 INFO L226 Difference]: Without dead ends: 14 [2018-10-26 22:17:19,623 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 [2018-10-26 22:17:19,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2018-10-26 22:17:19,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2018-10-26 22:17:19,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-10-26 22:17:19,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2018-10-26 22:17:19,666 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 7 [2018-10-26 22:17:19,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:17:19,666 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2018-10-26 22:17:19,666 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 22:17:19,667 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2018-10-26 22:17:19,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-26 22:17:19,668 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:17:19,668 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:17:19,668 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:17:19,668 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:17:19,669 INFO L82 PathProgramCache]: Analyzing trace with hash 148410185, now seen corresponding path program 1 times [2018-10-26 22:17:19,669 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:17:19,669 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:17:19,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:17:19,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:17:19,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:17:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:17:19,973 WARN L179 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 11 [2018-10-26 22:17:19,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:17:19,975 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:17:19,976 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 22:17:19,977 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 22:17:19,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 22:17:19,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:17:19,978 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand 3 states. [2018-10-26 22:17:20,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:17:20,057 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions. [2018-10-26 22:17:20,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 22:17:20,058 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-10-26 22:17:20,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:17:20,060 INFO L225 Difference]: With dead ends: 26 [2018-10-26 22:17:20,060 INFO L226 Difference]: Without dead ends: 21 [2018-10-26 22:17:20,061 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:17:20,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-10-26 22:17:20,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 16. [2018-10-26 22:17:20,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-10-26 22:17:20,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2018-10-26 22:17:20,066 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 8 [2018-10-26 22:17:20,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:17:20,067 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2018-10-26 22:17:20,067 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 22:17:20,067 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-10-26 22:17:20,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-26 22:17:20,068 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:17:20,068 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:17:20,068 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:17:20,068 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:17:20,068 INFO L82 PathProgramCache]: Analyzing trace with hash -128241684, now seen corresponding path program 1 times [2018-10-26 22:17:20,069 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:17:20,069 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:17:20,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:17:20,070 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:17:20,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:17:20,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:17:20,496 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 12 [2018-10-26 22:17:20,708 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 14 [2018-10-26 22:17:20,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:17:20,791 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:17:20,791 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 [2018-10-26 22:17:20,810 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:17:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:17:20,854 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:17:21,248 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 [2018-10-26 22:17:21,259 INFO L682 Elim1Store]: detected equality via solver [2018-10-26 22:17:21,262 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 [2018-10-26 22:17:21,263 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:17:21,280 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:17:21,311 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:17:21,312 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:28, output treesize:5 [2018-10-26 22:17:21,373 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:17:21,396 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 22:17:21,396 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2018-10-26 22:17:21,397 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-26 22:17:21,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-26 22:17:21,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2018-10-26 22:17:21,399 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand 12 states. [2018-10-26 22:17:22,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:17:22,504 INFO L93 Difference]: Finished difference Result 35 states and 38 transitions. [2018-10-26 22:17:22,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-26 22:17:22,504 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 13 [2018-10-26 22:17:22,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:17:22,506 INFO L225 Difference]: With dead ends: 35 [2018-10-26 22:17:22,506 INFO L226 Difference]: Without dead ends: 27 [2018-10-26 22:17:22,508 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=121, Invalid=431, Unknown=0, NotChecked=0, Total=552 [2018-10-26 22:17:22,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-10-26 22:17:22,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 17. [2018-10-26 22:17:22,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-10-26 22:17:22,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2018-10-26 22:17:22,513 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 13 [2018-10-26 22:17:22,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:17:22,513 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2018-10-26 22:17:22,513 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-26 22:17:22,514 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-10-26 22:17:22,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-26 22:17:22,514 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:17:22,514 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:17:22,515 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:17:22,515 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:17:22,515 INFO L82 PathProgramCache]: Analyzing trace with hash 1743595023, now seen corresponding path program 1 times [2018-10-26 22:17:22,515 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:17:22,515 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:17:22,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:17:22,517 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:17:22,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:17:22,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:17:22,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:17:22,602 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 22:17:22,616 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:17:22,618 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:17:22,618 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:17:22,618 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:17:22,619 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:17:22,619 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:17:22,620 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:17:22,620 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:17:22,620 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:17:22,621 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:17:22,621 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:17:22,621 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:17:22,622 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:17:22,622 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:17:22,622 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:17:22,623 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:17:22,623 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:17:22,623 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:17:22,624 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:17:22,624 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:17:22,625 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:17:22,625 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:17:22,626 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:17:22,626 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:17:22,626 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:17:22,627 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:17:22,627 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:17:22,627 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:17:22,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:17:22 BoogieIcfgContainer [2018-10-26 22:17:22,641 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 22:17:22,642 INFO L168 Benchmark]: Toolchain (without parser) took 4228.77 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 725.1 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -616.4 MB). Peak memory consumption was 108.7 MB. Max. memory is 7.1 GB. [2018-10-26 22:17:22,643 INFO L168 Benchmark]: CDTParser took 0.22 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. [2018-10-26 22:17:22,644 INFO L168 Benchmark]: CACSL2BoogieTranslator took 325.53 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. [2018-10-26 22:17:22,645 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.51 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. [2018-10-26 22:17:22,646 INFO L168 Benchmark]: Boogie Preprocessor took 25.70 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. [2018-10-26 22:17:22,646 INFO L168 Benchmark]: RCFGBuilder took 519.56 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 725.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -764.3 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2018-10-26 22:17:22,647 INFO L168 Benchmark]: TraceAbstraction took 3314.97 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 137.3 MB). Peak memory consumption was 137.3 MB. Max. memory is 7.1 GB. [2018-10-26 22:17:22,652 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 325.53 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 38.51 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 25.70 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 519.56 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 725.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -764.3 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3314.97 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 137.3 MB). Peak memory consumption was 137.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L13] unsigned int SIZE=1; [L14] unsigned int j,k; [L15] CALL int array[SIZE], menor; [L15] RET int array[SIZE], menor; [L17] menor = __VERIFIER_nondet_int() [L19] j=0 [L19] COND TRUE jmenor) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 20 locations, 1 error locations. UNSAFE Result, 3.2s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 1.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 39 SDtfs, 38 SDslu, 52 SDs, 0 SdLazy, 111 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 13 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 1.7s 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, 3 MinimizatonAttempts, 15 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 37 ConstructedInterpolants, 5 QuantifiedInterpolants, 2987 SizeOfPredicates, 10 NumberOfNonLiveVariables, 58 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 0/4 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...