./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted/4BitCounterPointer_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_3ba4a875-1ab5-40b2-906b-aa6df853e779/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3ba4a875-1ab5-40b2-906b-aa6df853e779/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3ba4a875-1ab5-40b2-906b-aa6df853e779/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3ba4a875-1ab5-40b2-906b-aa6df853e779/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted/4BitCounterPointer_true-no-overflow_true-termination_true-valid-memsafety.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3ba4a875-1ab5-40b2-906b-aa6df853e779/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3ba4a875-1ab5-40b2-906b-aa6df853e779/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 0233d496bfaf5cb1311bfa260a57f41458184795 ............................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 11:00:39,240 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 11:00:39,242 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 11:00:39,250 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 11:00:39,250 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 11:00:39,251 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 11:00:39,252 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 11:00:39,253 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 11:00:39,254 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 11:00:39,254 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 11:00:39,255 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 11:00:39,255 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 11:00:39,256 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 11:00:39,257 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 11:00:39,257 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 11:00:39,258 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 11:00:39,259 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 11:00:39,260 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 11:00:39,261 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 11:00:39,262 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 11:00:39,263 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 11:00:39,264 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 11:00:39,265 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 11:00:39,265 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 11:00:39,265 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 11:00:39,266 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 11:00:39,267 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 11:00:39,267 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 11:00:39,268 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 11:00:39,268 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 11:00:39,269 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 11:00:39,269 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 11:00:39,269 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 11:00:39,269 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 11:00:39,270 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 11:00:39,271 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 11:00:39,271 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3ba4a875-1ab5-40b2-906b-aa6df853e779/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf [2018-11-10 11:00:39,280 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 11:00:39,280 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 11:00:39,281 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 11:00:39,281 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 11:00:39,281 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 11:00:39,281 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 11:00:39,281 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 11:00:39,281 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 11:00:39,282 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 11:00:39,282 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 11:00:39,282 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 11:00:39,282 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 11:00:39,282 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 11:00:39,283 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 11:00:39,283 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 11:00:39,283 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 11:00:39,283 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 11:00:39,283 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 11:00:39,283 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 11:00:39,283 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 11:00:39,283 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 11:00:39,284 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 11:00:39,284 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 11:00:39,284 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 11:00:39,284 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 11:00:39,284 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 11:00:39,284 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 11:00:39,284 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 11:00:39,284 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 11:00:39,285 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 11:00:39,285 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 11:00:39,285 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 11:00:39,285 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 11:00:39,285 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_3ba4a875-1ab5-40b2-906b-aa6df853e779/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 -> 0233d496bfaf5cb1311bfa260a57f41458184795 [2018-11-10 11:00:39,308 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 11:00:39,317 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 11:00:39,320 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 11:00:39,321 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 11:00:39,321 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 11:00:39,322 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3ba4a875-1ab5-40b2-906b-aa6df853e779/bin-2019/utaipan/../../sv-benchmarks/c/termination-crafted/4BitCounterPointer_true-no-overflow_true-termination_true-valid-memsafety.c [2018-11-10 11:00:39,368 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3ba4a875-1ab5-40b2-906b-aa6df853e779/bin-2019/utaipan/data/5037ddd49/15946245f2d34d459851bdf05ec9ec14/FLAG91dc86379 [2018-11-10 11:00:39,699 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 11:00:39,699 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3ba4a875-1ab5-40b2-906b-aa6df853e779/sv-benchmarks/c/termination-crafted/4BitCounterPointer_true-no-overflow_true-termination_true-valid-memsafety.c [2018-11-10 11:00:39,704 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3ba4a875-1ab5-40b2-906b-aa6df853e779/bin-2019/utaipan/data/5037ddd49/15946245f2d34d459851bdf05ec9ec14/FLAG91dc86379 [2018-11-10 11:00:39,712 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3ba4a875-1ab5-40b2-906b-aa6df853e779/bin-2019/utaipan/data/5037ddd49/15946245f2d34d459851bdf05ec9ec14 [2018-11-10 11:00:39,714 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 11:00:39,715 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 11:00:39,715 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 11:00:39,715 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 11:00:39,718 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 11:00:39,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:00:39" (1/1) ... [2018-11-10 11:00:39,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12305cee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:00:39, skipping insertion in model container [2018-11-10 11:00:39,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:00:39" (1/1) ... [2018-11-10 11:00:39,728 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 11:00:39,739 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 11:00:39,831 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:00:39,837 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 11:00:39,846 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:00:39,857 INFO L193 MainTranslator]: Completed translation [2018-11-10 11:00:39,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:00:39 WrapperNode [2018-11-10 11:00:39,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 11:00:39,858 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 11:00:39,859 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 11:00:39,859 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 11:00:39,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:00:39" (1/1) ... [2018-11-10 11:00:39,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:00:39" (1/1) ... [2018-11-10 11:00:39,888 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 11:00:39,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 11:00:39,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 11:00:39,888 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 11:00:39,893 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:00:39" (1/1) ... [2018-11-10 11:00:39,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:00:39" (1/1) ... [2018-11-10 11:00:39,895 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:00:39" (1/1) ... [2018-11-10 11:00:39,896 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:00:39" (1/1) ... [2018-11-10 11:00:39,899 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:00:39" (1/1) ... [2018-11-10 11:00:39,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:00:39" (1/1) ... [2018-11-10 11:00:39,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:00:39" (1/1) ... [2018-11-10 11:00:39,905 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 11:00:39,906 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 11:00:39,906 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 11:00:39,906 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 11:00:39,906 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:00:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3ba4a875-1ab5-40b2-906b-aa6df853e779/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 [2018-11-10 11:00:40,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 11:00:40,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 11:00:40,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 11:00:40,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 11:00:40,009 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 11:00:40,009 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 11:00:40,236 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 11:00:40,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:00:40 BoogieIcfgContainer [2018-11-10 11:00:40,237 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 11:00:40,237 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 11:00:40,238 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 11:00:40,239 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 11:00:40,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 11:00:39" (1/3) ... [2018-11-10 11:00:40,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2783dc5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:00:40, skipping insertion in model container [2018-11-10 11:00:40,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:00:39" (2/3) ... [2018-11-10 11:00:40,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2783dc5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:00:40, skipping insertion in model container [2018-11-10 11:00:40,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:00:40" (3/3) ... [2018-11-10 11:00:40,242 INFO L112 eAbstractionObserver]: Analyzing ICFG 4BitCounterPointer_true-no-overflow_true-termination_true-valid-memsafety.c [2018-11-10 11:00:40,249 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 11:00:40,254 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2018-11-10 11:00:40,266 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2018-11-10 11:00:40,292 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 11:00:40,292 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 11:00:40,292 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 11:00:40,292 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 11:00:40,292 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 11:00:40,293 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 11:00:40,293 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 11:00:40,293 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 11:00:40,305 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-11-10 11:00:40,309 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 11:00:40,312 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 17 states. [2018-11-10 11:00:40,360 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 11:00:40,360 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 11:00:40,361 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 11:00:40,361 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 11:00:40,361 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-10 11:00:40,361 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 11:00:40,361 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 11:00:40,361 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 6 34) no Hoare annotation was computed. [2018-11-10 11:00:40,361 INFO L425 ceAbstractionStarter]: For program point L15-1(lines 15 32) no Hoare annotation was computed. [2018-11-10 11:00:40,361 INFO L425 ceAbstractionStarter]: For program point L15-2(lines 15 32) no Hoare annotation was computed. [2018-11-10 11:00:40,362 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 6 34) no Hoare annotation was computed. [2018-11-10 11:00:40,362 INFO L425 ceAbstractionStarter]: For program point L15-4(lines 15 32) no Hoare annotation was computed. [2018-11-10 11:00:40,362 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 6 34) the Hoare annotation is: true [2018-11-10 11:00:40,362 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 29) no Hoare annotation was computed. [2018-11-10 11:00:40,362 INFO L428 ceAbstractionStarter]: At program point L24-2(lines 15 32) the Hoare annotation is: true [2018-11-10 11:00:40,362 INFO L425 ceAbstractionStarter]: For program point L20(lines 20 30) no Hoare annotation was computed. [2018-11-10 11:00:40,362 INFO L425 ceAbstractionStarter]: For program point L16(lines 16 31) no Hoare annotation was computed. [2018-11-10 11:00:40,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 11:00:40 BoogieIcfgContainer [2018-11-10 11:00:40,367 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 11:00:40,368 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 11:00:40,368 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 11:00:40,368 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 11:00:40,368 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:00:40" (3/4) ... [2018-11-10 11:00:40,372 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 11:00:40,377 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 11:00:40,378 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 11:00:40,382 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 64 nodes and edges [2018-11-10 11:00:40,383 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2018-11-10 11:00:40,383 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-10 11:00:40,383 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 11:00:40,416 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3ba4a875-1ab5-40b2-906b-aa6df853e779/bin-2019/utaipan/witness.graphml [2018-11-10 11:00:40,416 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 11:00:40,417 INFO L168 Benchmark]: Toolchain (without parser) took 703.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -130.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:00:40,418 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:00:40,419 INFO L168 Benchmark]: CACSL2BoogieTranslator took 142.93 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 11:00:40,419 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.32 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 946.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 11:00:40,419 INFO L168 Benchmark]: Boogie Preprocessor took 17.46 ms. Allocated memory is still 1.0 GB. Free memory is still 946.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:00:40,419 INFO L168 Benchmark]: RCFGBuilder took 331.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -163.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-11-10 11:00:40,420 INFO L168 Benchmark]: TraceAbstraction took 130.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 11:00:40,420 INFO L168 Benchmark]: Witness Printer took 48.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-10 11:00:40,421 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 142.93 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.32 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 946.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.46 ms. Allocated memory is still 1.0 GB. Free memory is still 946.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 331.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -163.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 130.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 48.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 17 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 5 NumberOfFragments, 5 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...