./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted/Arrays03-ValueRestictsIndex_true-no-overflow_true-termination_true-valid-memsafety.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a4e95313-dda6-49bb-80fe-0a422c7d4f9d/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a4e95313-dda6-49bb-80fe-0a422c7d4f9d/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a4e95313-dda6-49bb-80fe-0a422c7d4f9d/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a4e95313-dda6-49bb-80fe-0a422c7d4f9d/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted/Arrays03-ValueRestictsIndex_true-no-overflow_true-termination_true-valid-memsafety.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a4e95313-dda6-49bb-80fe-0a422c7d4f9d/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a4e95313-dda6-49bb-80fe-0a422c7d4f9d/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 282a32bc5fb3d70423f87a450340f7a26ab0f093 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 05:49:47,686 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:49:47,688 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:49:47,701 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:49:47,704 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:49:47,706 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:49:47,709 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:49:47,711 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:49:47,714 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:49:47,717 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:49:47,719 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:49:47,720 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:49:47,721 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:49:47,724 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:49:47,730 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:49:47,731 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:49:47,732 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:49:47,733 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:49:47,735 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:49:47,736 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:49:47,738 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:49:47,739 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:49:47,741 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:49:47,741 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:49:47,741 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:49:47,742 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:49:47,743 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:49:47,744 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:49:47,745 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:49:47,747 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:49:47,747 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:49:47,747 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:49:47,748 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:49:47,748 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:49:47,749 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:49:47,750 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:49:47,751 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a4e95313-dda6-49bb-80fe-0a422c7d4f9d/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf [2018-10-27 05:49:47,764 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:49:47,764 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:49:47,765 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:49:47,765 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 05:49:47,765 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 05:49:47,766 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 05:49:47,766 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 05:49:47,766 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 05:49:47,766 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 05:49:47,766 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 05:49:47,767 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 05:49:47,767 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:49:47,767 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 05:49:47,768 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 05:49:47,768 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:49:47,768 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:49:47,768 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:49:47,768 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:49:47,768 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-10-27 05:49:47,769 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:49:47,769 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:49:47,769 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:49:47,771 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:49:47,771 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:49:47,772 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:49:47,772 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:49:47,772 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:49:47,772 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:49:47,772 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:49:47,772 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 05:49:47,773 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:49:47,773 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 05:49:47,773 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 05:49:47,773 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_a4e95313-dda6-49bb-80fe-0a422c7d4f9d/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 282a32bc5fb3d70423f87a450340f7a26ab0f093 [2018-10-27 05:49:47,807 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:49:47,819 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:49:47,822 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:49:47,824 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:49:47,824 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:49:47,826 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a4e95313-dda6-49bb-80fe-0a422c7d4f9d/bin-2019/utaipan/../../sv-benchmarks/c/termination-crafted/Arrays03-ValueRestictsIndex_true-no-overflow_true-termination_true-valid-memsafety.c [2018-10-27 05:49:47,887 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a4e95313-dda6-49bb-80fe-0a422c7d4f9d/bin-2019/utaipan/data/91b6c3110/801a37e9805142649b4b8ff411976171/FLAG080c2432d [2018-10-27 05:49:48,272 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:49:48,272 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a4e95313-dda6-49bb-80fe-0a422c7d4f9d/sv-benchmarks/c/termination-crafted/Arrays03-ValueRestictsIndex_true-no-overflow_true-termination_true-valid-memsafety.c [2018-10-27 05:49:48,279 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a4e95313-dda6-49bb-80fe-0a422c7d4f9d/bin-2019/utaipan/data/91b6c3110/801a37e9805142649b4b8ff411976171/FLAG080c2432d [2018-10-27 05:49:48,291 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a4e95313-dda6-49bb-80fe-0a422c7d4f9d/bin-2019/utaipan/data/91b6c3110/801a37e9805142649b4b8ff411976171 [2018-10-27 05:49:48,294 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:49:48,296 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:49:48,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:49:48,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:49:48,301 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:49:48,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:49:48" (1/1) ... [2018-10-27 05:49:48,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14956367 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:49:48, skipping insertion in model container [2018-10-27 05:49:48,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:49:48" (1/1) ... [2018-10-27 05:49:48,317 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:49:48,335 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:49:48,476 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:49:48,481 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:49:48,499 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:49:48,516 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:49:48,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:49:48 WrapperNode [2018-10-27 05:49:48,517 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:49:48,517 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:49:48,518 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:49:48,518 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:49:48,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:49:48" (1/1) ... [2018-10-27 05:49:48,536 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:49:48" (1/1) ... [2018-10-27 05:49:48,557 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:49:48,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:49:48,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:49:48,558 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:49:48,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:49:48" (1/1) ... [2018-10-27 05:49:48,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:49:48" (1/1) ... [2018-10-27 05:49:48,570 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:49:48" (1/1) ... [2018-10-27 05:49:48,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:49:48" (1/1) ... [2018-10-27 05:49:48,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:49:48" (1/1) ... [2018-10-27 05:49:48,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:49:48" (1/1) ... [2018-10-27 05:49:48,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:49:48" (1/1) ... [2018-10-27 05:49:48,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:49:48,584 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:49:48,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:49:48,585 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:49:48,587 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:49:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4e95313-dda6-49bb-80fe-0a422c7d4f9d/bin-2019/utaipan/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 [2018-10-27 05:49:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:49:48,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:49:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:49:48,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:49:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:49:48,728 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:49:49,188 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:49:49,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:49:49 BoogieIcfgContainer [2018-10-27 05:49:49,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 05:49:49,190 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 05:49:49,190 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 05:49:49,194 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 05:49:49,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 05:49:48" (1/3) ... [2018-10-27 05:49:49,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33b36cdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:49:49, skipping insertion in model container [2018-10-27 05:49:49,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:49:48" (2/3) ... [2018-10-27 05:49:49,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33b36cdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:49:49, skipping insertion in model container [2018-10-27 05:49:49,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:49:49" (3/3) ... [2018-10-27 05:49:49,198 INFO L112 eAbstractionObserver]: Analyzing ICFG Arrays03-ValueRestictsIndex_true-no-overflow_true-termination_true-valid-memsafety.c [2018-10-27 05:49:49,212 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 05:49:49,225 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-10-27 05:49:49,249 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-10-27 05:49:49,286 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 05:49:49,287 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 05:49:49,287 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 05:49:49,287 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 05:49:49,287 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 05:49:49,288 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 05:49:49,288 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 05:49:49,288 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 05:49:49,312 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2018-10-27 05:49:49,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-27 05:49:49,319 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:49:49,320 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 05:49:49,323 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-10-27 05:49:49,333 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:49:49,334 INFO L82 PathProgramCache]: Analyzing trace with hash 1842626637, now seen corresponding path program 1 times [2018-10-27 05:49:49,337 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 05:49:49,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:49:49,391 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:49:49,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:49:49,392 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 05:49:49,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:49:49,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:49:49,637 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 05:49:49,637 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 05:49:49,637 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 05:49:49,641 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 05:49:49,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 05:49:49,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 05:49:49,654 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 4 states. [2018-10-27 05:49:49,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 05:49:49,792 INFO L93 Difference]: Finished difference Result 48 states and 60 transitions. [2018-10-27 05:49:49,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 05:49:49,795 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-10-27 05:49:49,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 05:49:49,807 INFO L225 Difference]: With dead ends: 48 [2018-10-27 05:49:49,808 INFO L226 Difference]: Without dead ends: 27 [2018-10-27 05:49:49,811 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 05:49:49,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-10-27 05:49:49,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-10-27 05:49:49,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-10-27 05:49:49,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2018-10-27 05:49:49,848 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 10 [2018-10-27 05:49:49,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 05:49:49,848 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2018-10-27 05:49:49,848 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 05:49:49,848 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2018-10-27 05:49:49,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-27 05:49:49,849 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:49:49,849 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 05:49:49,850 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-10-27 05:49:49,850 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:49:49,850 INFO L82 PathProgramCache]: Analyzing trace with hash -754195348, now seen corresponding path program 1 times [2018-10-27 05:49:49,851 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 05:49:49,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:49:49,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:49:49,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:49:49,852 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 05:49:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:49:49,962 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 05:49:49,962 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 05:49:49,963 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 05:49:49,963 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 05:49:49,964 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 05:49:49,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 05:49:49,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 05:49:49,965 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand 4 states. [2018-10-27 05:49:50,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 05:49:50,026 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions. [2018-10-27 05:49:50,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 05:49:50,026 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-10-27 05:49:50,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 05:49:50,027 INFO L225 Difference]: With dead ends: 27 [2018-10-27 05:49:50,027 INFO L226 Difference]: Without dead ends: 26 [2018-10-27 05:49:50,028 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 05:49:50,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-10-27 05:49:50,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-10-27 05:49:50,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-10-27 05:49:50,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2018-10-27 05:49:50,032 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 15 [2018-10-27 05:49:50,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 05:49:50,032 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2018-10-27 05:49:50,032 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 05:49:50,033 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2018-10-27 05:49:50,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-27 05:49:50,033 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:49:50,033 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 05:49:50,034 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-10-27 05:49:50,034 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:49:50,034 INFO L82 PathProgramCache]: Analyzing trace with hash -1905219258, now seen corresponding path program 1 times [2018-10-27 05:49:50,034 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 05:49:50,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:49:50,035 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:49:50,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:49:50,036 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 05:49:50,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:49:50,199 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:49:50,200 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 05:49:50,200 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 05:49:50,201 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 17 with the following transitions: [2018-10-27 05:49:50,203 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [14], [16], [18], [19], [20], [61], [62], [63] [2018-10-27 05:49:50,254 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 05:49:50,254 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 05:49:50,898 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 05:49:50,899 INFO L272 AbstractInterpreter]: Visited 12 different actions 54 times. Merged at 5 different actions 35 times. Widened at 1 different actions 3 times. Found 1 fixpoints after 1 different actions. Largest state had 27 variables. [2018-10-27 05:49:50,924 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:49:50,924 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 05:49:51,100 INFO L227 lantSequenceWeakener]: Weakened 15 states. On average, predicates are now at 87.62% of their original sizes. [2018-10-27 05:49:51,102 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 05:49:51,463 INFO L415 sIntCurrentIteration]: We unified 15 AI predicates to 15 [2018-10-27 05:49:51,463 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 05:49:51,464 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 05:49:51,464 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 10 [2018-10-27 05:49:51,465 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 05:49:51,465 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 05:49:51,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 05:49:51,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-10-27 05:49:51,466 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand 7 states. [2018-10-27 05:49:51,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 05:49:51,968 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions. [2018-10-27 05:49:51,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 05:49:51,968 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 16 [2018-10-27 05:49:51,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 05:49:51,971 INFO L225 Difference]: With dead ends: 26 [2018-10-27 05:49:51,972 INFO L226 Difference]: Without dead ends: 25 [2018-10-27 05:49:51,972 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-10-27 05:49:51,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-10-27 05:49:51,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 22. [2018-10-27 05:49:51,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-10-27 05:49:51,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2018-10-27 05:49:51,993 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 16 [2018-10-27 05:49:51,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 05:49:51,994 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2018-10-27 05:49:51,994 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-27 05:49:51,994 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2018-10-27 05:49:51,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-27 05:49:51,995 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:49:51,995 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 05:49:51,995 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-10-27 05:49:51,995 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:49:51,996 INFO L82 PathProgramCache]: Analyzing trace with hash -1872139983, now seen corresponding path program 1 times [2018-10-27 05:49:51,996 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 05:49:51,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:49:51,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:49:51,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:49:52,003 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 05:49:52,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:49:52,161 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:49:52,162 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 05:49:52,162 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 05:49:52,162 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 20 with the following transitions: [2018-10-27 05:49:52,162 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [12], [14], [16], [18], [20], [26], [29], [35], [39], [45], [46], [61], [62], [63] [2018-10-27 05:49:52,164 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 05:49:52,164 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 05:49:52,750 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 05:49:52,751 INFO L272 AbstractInterpreter]: Visited 18 different actions 96 times. Merged at 5 different actions 65 times. Widened at 1 different actions 9 times. Found 1 fixpoints after 1 different actions. Largest state had 36 variables. [2018-10-27 05:49:52,782 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:49:52,782 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 05:49:52,926 INFO L227 lantSequenceWeakener]: Weakened 6 states. On average, predicates are now at 87.98% of their original sizes. [2018-10-27 05:49:52,927 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 05:49:53,918 INFO L415 sIntCurrentIteration]: We unified 18 AI predicates to 18 [2018-10-27 05:49:53,919 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 05:49:53,919 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 05:49:53,919 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 15 [2018-10-27 05:49:53,919 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 05:49:53,920 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-27 05:49:53,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-27 05:49:53,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2018-10-27 05:49:53,920 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand 12 states. [2018-10-27 05:49:55,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 05:49:55,337 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2018-10-27 05:49:55,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-27 05:49:55,337 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 19 [2018-10-27 05:49:55,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 05:49:55,338 INFO L225 Difference]: With dead ends: 22 [2018-10-27 05:49:55,338 INFO L226 Difference]: Without dead ends: 0 [2018-10-27 05:49:55,339 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 21 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2018-10-27 05:49:55,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-27 05:49:55,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-27 05:49:55,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-27 05:49:55,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-27 05:49:55,340 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2018-10-27 05:49:55,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 05:49:55,340 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 05:49:55,341 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-27 05:49:55,341 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-27 05:49:55,341 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 05:49:55,348 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-27 05:49:55,617 WARN L179 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 314 [2018-10-27 05:49:55,819 WARN L179 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 284 [2018-10-27 05:49:56,110 WARN L179 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 8 [2018-10-27 05:49:56,286 WARN L179 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 1 [2018-10-27 05:49:57,597 WARN L179 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 262 DAG size of output: 52 [2018-10-27 05:49:58,375 WARN L179 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 46 [2018-10-27 05:49:58,377 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-27 05:49:58,377 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-10-27 05:49:58,377 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-27 05:49:58,377 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-27 05:49:58,378 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= (+ |#NULL.base| |#NULL.offset|) 0) (= |#NULL.offset| 0) (<= |#NULL.offset| |#NULL.base|)) [2018-10-27 05:49:58,378 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-27 05:49:58,378 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-27 05:49:58,378 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 11 28) no Hoare annotation was computed. [2018-10-27 05:49:58,378 INFO L425 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-10-27 05:49:58,378 INFO L425 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2018-10-27 05:49:58,378 INFO L425 ceAbstractionStarter]: For program point L19(lines 19 26) no Hoare annotation was computed. [2018-10-27 05:49:58,378 INFO L425 ceAbstractionStarter]: For program point L15-1(lines 15 17) no Hoare annotation was computed. [2018-10-27 05:49:58,379 INFO L425 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2018-10-27 05:49:58,379 INFO L425 ceAbstractionStarter]: For program point L15-3(lines 15 17) no Hoare annotation was computed. [2018-10-27 05:49:58,379 INFO L425 ceAbstractionStarter]: For program point L15-4(line 15) no Hoare annotation was computed. [2018-10-27 05:49:58,379 INFO L425 ceAbstractionStarter]: For program point L15-5(line 15) no Hoare annotation was computed. [2018-10-27 05:49:58,379 INFO L421 ceAbstractionStarter]: At program point L15-6(lines 15 17) the Hoare annotation is: (let ((.cse1 (* 2 |#NULL.offset|))) (or (let ((.cse0 (+ |#NULL.offset| |main_#Ultimate.alloc_~size|))) (and (not (= |main_#Ultimate.alloc_#res.base| 0)) (<= |main_~#a~0.base| |main_#Ultimate.alloc_#res.base|) (<= |main_#Ultimate.alloc_#res.base| |main_~#a~0.base|) (<= 4192 .cse0) (<= |main_#Ultimate.alloc_~size| (+ main_~k~0 2147487840)) (<= |#NULL.base| main_~i~0) (<= (+ |#NULL.base| |main_~#a~0.offset|) 0) (<= 0 (+ |main_#Ultimate.alloc_#res.offset| |main_~#a~0.offset|)) (<= .cse0 4192) (<= (+ |#NULL.offset| |main_#Ultimate.alloc_#res.offset|) 0) (<= main_~k~0 (+ |#NULL.base| 2147483647)) (<= (+ main_~i~0 3144) |main_#Ultimate.alloc_~size|))) (< .cse1 0) (< |#NULL.offset| |#NULL.base|) (< 0 .cse1) (< |#NULL.base| |#NULL.offset|))) [2018-10-27 05:49:58,379 INFO L425 ceAbstractionStarter]: For program point L15-7(lines 11 28) no Hoare annotation was computed. [2018-10-27 05:49:58,379 INFO L425 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-10-27 05:49:58,380 INFO L425 ceAbstractionStarter]: For program point L20-2(lines 20 25) no Hoare annotation was computed. [2018-10-27 05:49:58,380 INFO L425 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2018-10-27 05:49:58,380 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 11 28) no Hoare annotation was computed. [2018-10-27 05:49:58,380 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 11 28) the Hoare annotation is: true [2018-10-27 05:49:58,380 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2018-10-27 05:49:58,380 INFO L425 ceAbstractionStarter]: For program point L22-1(lines 22 24) no Hoare annotation was computed. [2018-10-27 05:49:58,380 INFO L421 ceAbstractionStarter]: At program point L22-3(lines 22 24) the Hoare annotation is: (let ((.cse0 (* 2 |#NULL.offset|))) (or (< .cse0 0) (< |#NULL.offset| |#NULL.base|) (let ((.cse1 (* 2 main_~x~0))) (and (<= 0 (+ .cse1 4294967296)) (not (= |main_#Ultimate.alloc_#res.base| 0)) (<= |main_~#a~0.base| |main_#Ultimate.alloc_#res.base|) (<= .cse1 4294967294) (<= |main_#Ultimate.alloc_#res.base| |main_~#a~0.base|) (<= (+ main_~k~0 |main_~#a~0.offset|) 1047) (<= 1048 (+ |#NULL.base| main_~i~0)) (<= (+ |#NULL.base| |main_~#a~0.offset|) 0) (<= |main_~#a~0.offset| main_~k~0) (<= 0 (+ |main_#Ultimate.alloc_#res.offset| |main_~#a~0.offset|)) (<= (+ |#NULL.offset| |main_#Ultimate.alloc_~size|) 4192) (<= (+ |#NULL.offset| |main_#Ultimate.alloc_#res.offset|) 0) (<= (+ main_~i~0 3144) |main_#Ultimate.alloc_~size|))) (< 0 .cse0) (< |#NULL.base| |#NULL.offset|))) [2018-10-27 05:49:58,381 INFO L425 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2018-10-27 05:49:58,391 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:49:58,394 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:49:58,394 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:49:58,395 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:49:58,395 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:49:58,397 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,397 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,398 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,398 WARN L1239 BoogieBacktranslator]: unknown boogie variable #Ultimate.alloc_#res [2018-10-27 05:49:58,398 WARN L1239 BoogieBacktranslator]: unknown boogie variable #Ultimate.alloc_#res [2018-10-27 05:49:58,399 WARN L1239 BoogieBacktranslator]: unknown boogie variable #Ultimate.alloc_#res [2018-10-27 05:49:58,399 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,399 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,399 WARN L1239 BoogieBacktranslator]: unknown boogie variable #Ultimate.alloc_#res [2018-10-27 05:49:58,400 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,400 WARN L1239 BoogieBacktranslator]: unknown boogie variable ~size [2018-10-27 05:49:58,400 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,400 WARN L1239 BoogieBacktranslator]: unknown boogie variable #Ultimate.alloc_#res [2018-10-27 05:49:58,401 WARN L1239 BoogieBacktranslator]: unknown boogie variable ~size [2018-10-27 05:49:58,401 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,401 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,401 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,405 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:49:58,405 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:49:58,405 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:49:58,406 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:49:58,406 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:49:58,406 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,407 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,407 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,407 WARN L1239 BoogieBacktranslator]: unknown boogie variable #Ultimate.alloc_#res [2018-10-27 05:49:58,407 WARN L1239 BoogieBacktranslator]: unknown boogie variable #Ultimate.alloc_#res [2018-10-27 05:49:58,408 WARN L1239 BoogieBacktranslator]: unknown boogie variable #Ultimate.alloc_#res [2018-10-27 05:49:58,408 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,408 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,409 WARN L1239 BoogieBacktranslator]: unknown boogie variable #Ultimate.alloc_#res [2018-10-27 05:49:58,409 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,409 WARN L1239 BoogieBacktranslator]: unknown boogie variable ~size [2018-10-27 05:49:58,412 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,413 WARN L1239 BoogieBacktranslator]: unknown boogie variable #Ultimate.alloc_#res [2018-10-27 05:49:58,413 WARN L1239 BoogieBacktranslator]: unknown boogie variable ~size [2018-10-27 05:49:58,413 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,413 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,413 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,415 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:49:58,415 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:49:58,415 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:49:58,416 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:49:58,416 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:49:58,417 WARN L1239 BoogieBacktranslator]: unknown boogie variable #Ultimate.alloc_#res [2018-10-27 05:49:58,420 WARN L1239 BoogieBacktranslator]: unknown boogie variable #Ultimate.alloc_#res [2018-10-27 05:49:58,420 WARN L1239 BoogieBacktranslator]: unknown boogie variable #Ultimate.alloc_#res [2018-10-27 05:49:58,420 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,420 WARN L1239 BoogieBacktranslator]: unknown boogie variable ~size [2018-10-27 05:49:58,421 WARN L1239 BoogieBacktranslator]: unknown boogie variable ~size [2018-10-27 05:49:58,421 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,421 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,422 WARN L1239 BoogieBacktranslator]: unknown boogie variable #Ultimate.alloc_#res [2018-10-27 05:49:58,422 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,422 WARN L1239 BoogieBacktranslator]: unknown boogie variable ~size [2018-10-27 05:49:58,422 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,422 WARN L1239 BoogieBacktranslator]: unknown boogie variable #Ultimate.alloc_#res [2018-10-27 05:49:58,423 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,423 WARN L1239 BoogieBacktranslator]: unknown boogie variable ~size [2018-10-27 05:49:58,423 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,423 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,423 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,424 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,424 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,424 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,425 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:49:58,425 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:49:58,429 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:49:58,429 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:49:58,430 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:49:58,430 WARN L1239 BoogieBacktranslator]: unknown boogie variable #Ultimate.alloc_#res [2018-10-27 05:49:58,430 WARN L1239 BoogieBacktranslator]: unknown boogie variable #Ultimate.alloc_#res [2018-10-27 05:49:58,431 WARN L1239 BoogieBacktranslator]: unknown boogie variable #Ultimate.alloc_#res [2018-10-27 05:49:58,431 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,431 WARN L1239 BoogieBacktranslator]: unknown boogie variable ~size [2018-10-27 05:49:58,431 WARN L1239 BoogieBacktranslator]: unknown boogie variable ~size [2018-10-27 05:49:58,432 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,432 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,432 WARN L1239 BoogieBacktranslator]: unknown boogie variable #Ultimate.alloc_#res [2018-10-27 05:49:58,432 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,433 WARN L1239 BoogieBacktranslator]: unknown boogie variable ~size [2018-10-27 05:49:58,433 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,433 WARN L1239 BoogieBacktranslator]: unknown boogie variable #Ultimate.alloc_#res [2018-10-27 05:49:58,436 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,436 WARN L1239 BoogieBacktranslator]: unknown boogie variable ~size [2018-10-27 05:49:58,436 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,437 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,437 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,437 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,437 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,437 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 05:49:58 BoogieIcfgContainer [2018-10-27 05:49:58,439 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 05:49:58,440 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 05:49:58,440 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 05:49:58,440 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 05:49:58,441 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:49:49" (3/4) ... [2018-10-27 05:49:58,447 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 05:49:58,458 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-27 05:49:58,459 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-27 05:49:58,467 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-10-27 05:49:58,467 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-10-27 05:49:58,467 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-27 05:49:58,513 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a4e95313-dda6-49bb-80fe-0a422c7d4f9d/bin-2019/utaipan/witness.graphml [2018-10-27 05:49:58,514 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 05:49:58,514 INFO L168 Benchmark]: Toolchain (without parser) took 10219.70 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 363.9 MB). Free memory was 953.1 MB in the beginning and 978.9 MB in the end (delta: -25.8 MB). Peak memory consumption was 338.0 MB. Max. memory is 11.5 GB. [2018-10-27 05:49:58,515 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:49:58,515 INFO L168 Benchmark]: CACSL2BoogieTranslator took 220.62 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 942.3 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-10-27 05:49:58,516 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.90 ms. Allocated memory is still 1.0 GB. Free memory was 942.3 MB in the beginning and 939.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 05:49:58,516 INFO L168 Benchmark]: Boogie Preprocessor took 26.58 ms. Allocated memory is still 1.0 GB. Free memory is still 939.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:49:58,517 INFO L168 Benchmark]: RCFGBuilder took 604.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 939.6 MB in the beginning and 1.1 GB in the end (delta: -178.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2018-10-27 05:49:58,517 INFO L168 Benchmark]: TraceAbstraction took 9249.91 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 224.4 MB). Free memory was 1.1 GB in the beginning and 989.2 MB in the end (delta: 128.4 MB). Peak memory consumption was 467.3 MB. Max. memory is 11.5 GB. [2018-10-27 05:49:58,525 INFO L168 Benchmark]: Witness Printer took 73.83 ms. Allocated memory is still 1.4 GB. Free memory was 989.2 MB in the beginning and 978.9 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. [2018-10-27 05:49:58,527 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 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 220.62 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 942.3 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.90 ms. Allocated memory is still 1.0 GB. Free memory was 942.3 MB in the beginning and 939.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.58 ms. Allocated memory is still 1.0 GB. Free memory is still 939.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 604.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 939.6 MB in the beginning and 1.1 GB in the end (delta: -178.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9249.91 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 224.4 MB). Free memory was 1.1 GB in the beginning and 989.2 MB in the end (delta: 128.4 MB). Peak memory consumption was 467.3 MB. Max. memory is 11.5 GB. * Witness Printer took 73.83 ms. Allocated memory is still 1.4 GB. Free memory was 989.2 MB in the beginning and 978.9 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #Ultimate.alloc_#res - GenericResult: Unfinished Backtranslation unknown boogie variable #Ultimate.alloc_#res - GenericResult: Unfinished Backtranslation unknown boogie variable #Ultimate.alloc_#res - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #Ultimate.alloc_#res - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable ~size - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #Ultimate.alloc_#res - GenericResult: Unfinished Backtranslation unknown boogie variable ~size - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #Ultimate.alloc_#res - GenericResult: Unfinished Backtranslation unknown boogie variable #Ultimate.alloc_#res - GenericResult: Unfinished Backtranslation unknown boogie variable #Ultimate.alloc_#res - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #Ultimate.alloc_#res - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable ~size - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #Ultimate.alloc_#res - GenericResult: Unfinished Backtranslation unknown boogie variable ~size - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #Ultimate.alloc_#res - GenericResult: Unfinished Backtranslation unknown boogie variable #Ultimate.alloc_#res - GenericResult: Unfinished Backtranslation unknown boogie variable #Ultimate.alloc_#res - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable ~size - GenericResult: Unfinished Backtranslation unknown boogie variable ~size - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #Ultimate.alloc_#res - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable ~size - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #Ultimate.alloc_#res - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable ~size - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #Ultimate.alloc_#res - GenericResult: Unfinished Backtranslation unknown boogie variable #Ultimate.alloc_#res - GenericResult: Unfinished Backtranslation unknown boogie variable #Ultimate.alloc_#res - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable ~size - GenericResult: Unfinished Backtranslation unknown boogie variable ~size - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #Ultimate.alloc_#res - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable ~size - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #Ultimate.alloc_#res - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable ~size - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant [2018-10-27 05:49:58,540 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:49:58,540 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:49:58,541 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:49:58,541 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:49:58,541 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:49:58,553 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,554 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,554 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,554 WARN L1239 BoogieBacktranslator]: unknown boogie variable #Ultimate.alloc_#res [2018-10-27 05:49:58,554 WARN L1239 BoogieBacktranslator]: unknown boogie variable #Ultimate.alloc_#res [2018-10-27 05:49:58,554 WARN L1239 BoogieBacktranslator]: unknown boogie variable #Ultimate.alloc_#res [2018-10-27 05:49:58,555 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,555 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,555 WARN L1239 BoogieBacktranslator]: unknown boogie variable #Ultimate.alloc_#res [2018-10-27 05:49:58,555 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,555 WARN L1239 BoogieBacktranslator]: unknown boogie variable ~size [2018-10-27 05:49:58,556 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,556 WARN L1239 BoogieBacktranslator]: unknown boogie variable #Ultimate.alloc_#res [2018-10-27 05:49:58,556 WARN L1239 BoogieBacktranslator]: unknown boogie variable ~size [2018-10-27 05:49:58,556 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,556 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,556 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,557 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:49:58,557 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:49:58,557 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:49:58,558 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:49:58,558 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:49:58,558 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,559 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,559 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,559 WARN L1239 BoogieBacktranslator]: unknown boogie variable #Ultimate.alloc_#res [2018-10-27 05:49:58,559 WARN L1239 BoogieBacktranslator]: unknown boogie variable #Ultimate.alloc_#res [2018-10-27 05:49:58,559 WARN L1239 BoogieBacktranslator]: unknown boogie variable #Ultimate.alloc_#res [2018-10-27 05:49:58,560 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,560 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,560 WARN L1239 BoogieBacktranslator]: unknown boogie variable #Ultimate.alloc_#res [2018-10-27 05:49:58,560 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,560 WARN L1239 BoogieBacktranslator]: unknown boogie variable ~size [2018-10-27 05:49:58,561 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,561 WARN L1239 BoogieBacktranslator]: unknown boogie variable #Ultimate.alloc_#res [2018-10-27 05:49:58,561 WARN L1239 BoogieBacktranslator]: unknown boogie variable ~size [2018-10-27 05:49:58,561 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,561 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,561 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL Derived loop invariant: (((2 * #NULL < 0 || #NULL < #NULL) || ((((((((((((0 <= 2 * x + 4294967296 && !(#Ultimate.alloc_#res == 0)) && a <= #Ultimate.alloc_#res) && 2 * x <= 4294967294) && #Ultimate.alloc_#res <= a) && k + a <= 1047) && 1048 <= #NULL + i) && #NULL + a <= 0) && a <= k) && 0 <= #Ultimate.alloc_#res + a) && #NULL + unknown-~size-unknown <= 4192) && #NULL + #Ultimate.alloc_#res <= 0) && i + 3144 <= unknown-~size-unknown)) || 0 < 2 * #NULL) || #NULL < #NULL - InvariantResult [Line: 15]: Loop Invariant [2018-10-27 05:49:58,562 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:49:58,562 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:49:58,562 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:49:58,563 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:49:58,563 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:49:58,573 WARN L1239 BoogieBacktranslator]: unknown boogie variable #Ultimate.alloc_#res [2018-10-27 05:49:58,574 WARN L1239 BoogieBacktranslator]: unknown boogie variable #Ultimate.alloc_#res [2018-10-27 05:49:58,574 WARN L1239 BoogieBacktranslator]: unknown boogie variable #Ultimate.alloc_#res [2018-10-27 05:49:58,574 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,574 WARN L1239 BoogieBacktranslator]: unknown boogie variable ~size [2018-10-27 05:49:58,574 WARN L1239 BoogieBacktranslator]: unknown boogie variable ~size [2018-10-27 05:49:58,575 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,575 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,575 WARN L1239 BoogieBacktranslator]: unknown boogie variable #Ultimate.alloc_#res [2018-10-27 05:49:58,575 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,575 WARN L1239 BoogieBacktranslator]: unknown boogie variable ~size [2018-10-27 05:49:58,576 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,576 WARN L1239 BoogieBacktranslator]: unknown boogie variable #Ultimate.alloc_#res [2018-10-27 05:49:58,576 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,576 WARN L1239 BoogieBacktranslator]: unknown boogie variable ~size [2018-10-27 05:49:58,576 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,576 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,577 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,577 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,577 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,577 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,577 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:49:58,578 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:49:58,578 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:49:58,578 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:49:58,578 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:49:58,579 WARN L1239 BoogieBacktranslator]: unknown boogie variable #Ultimate.alloc_#res [2018-10-27 05:49:58,579 WARN L1239 BoogieBacktranslator]: unknown boogie variable #Ultimate.alloc_#res [2018-10-27 05:49:58,579 WARN L1239 BoogieBacktranslator]: unknown boogie variable #Ultimate.alloc_#res [2018-10-27 05:49:58,580 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,580 WARN L1239 BoogieBacktranslator]: unknown boogie variable ~size [2018-10-27 05:49:58,580 WARN L1239 BoogieBacktranslator]: unknown boogie variable ~size [2018-10-27 05:49:58,580 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,581 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,581 WARN L1239 BoogieBacktranslator]: unknown boogie variable #Ultimate.alloc_#res [2018-10-27 05:49:58,581 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,581 WARN L1239 BoogieBacktranslator]: unknown boogie variable ~size [2018-10-27 05:49:58,581 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,581 WARN L1239 BoogieBacktranslator]: unknown boogie variable #Ultimate.alloc_#res [2018-10-27 05:49:58,582 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,582 WARN L1239 BoogieBacktranslator]: unknown boogie variable ~size [2018-10-27 05:49:58,582 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,582 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,582 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,582 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,583 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL [2018-10-27 05:49:58,583 WARN L1239 BoogieBacktranslator]: unknown boogie variable #NULL Derived loop invariant: ((((((((((((((!(#Ultimate.alloc_#res == 0) && a <= #Ultimate.alloc_#res) && #Ultimate.alloc_#res <= a) && 4192 <= #NULL + unknown-~size-unknown) && unknown-~size-unknown <= k + 2147487840) && #NULL <= i) && #NULL + a <= 0) && 0 <= #Ultimate.alloc_#res + a) && #NULL + unknown-~size-unknown <= 4192) && #NULL + #Ultimate.alloc_#res <= 0) && k <= #NULL + 2147483647) && i + 3144 <= unknown-~size-unknown) || 2 * #NULL < 0) || #NULL < #NULL) || 0 < 2 * #NULL) || #NULL < #NULL - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 27 locations, 4 error locations. SAFE Result, 9.1s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 2.1s AutomataDifference, 0.0s DeadEndRemovalTime, 3.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 68 SDtfs, 55 SDslu, 160 SDs, 0 SdLazy, 43 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 46 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.3s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9374058040724709 AbsIntWeakeningRatio, 1.696969696969697 AbsIntAvgWeakeningVarsNumRemoved, 168.57575757575756 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 8 NumberOfFragments, 172 HoareAnnotationTreeSize, 6 FomulaSimplifications, 883 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 6 FomulaSimplificationsInter, 1839 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 1506 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 4/11 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...