./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id_b2_o3_true-unreach-call_true-termination_true-no-overflow.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_61791bc1-c532-465d-ae59-6445f6c712ea/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_61791bc1-c532-465d-ae59-6445f6c712ea/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_61791bc1-c532-465d-ae59-6445f6c712ea/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_61791bc1-c532-465d-ae59-6445f6c712ea/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_b2_o3_true-unreach-call_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_61791bc1-c532-465d-ae59-6445f6c712ea/bin-2019/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_61791bc1-c532-465d-ae59-6445f6c712ea/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 32bit --witnessprinter.graph.data.programhash 128b2219e8f86913777da69c49be5957c6dd8c80 ......................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 03:37:07,250 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 03:37:07,252 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 03:37:07,260 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 03:37:07,261 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 03:37:07,261 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 03:37:07,262 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 03:37:07,263 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 03:37:07,264 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 03:37:07,265 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 03:37:07,266 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 03:37:07,266 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 03:37:07,267 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 03:37:07,268 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 03:37:07,268 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 03:37:07,269 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 03:37:07,270 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 03:37:07,271 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 03:37:07,273 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 03:37:07,274 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 03:37:07,275 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 03:37:07,276 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 03:37:07,277 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 03:37:07,277 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 03:37:07,277 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 03:37:07,278 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 03:37:07,279 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 03:37:07,280 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 03:37:07,280 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 03:37:07,281 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 03:37:07,281 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 03:37:07,282 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 03:37:07,282 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 03:37:07,282 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 03:37:07,283 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 03:37:07,283 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 03:37:07,284 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_61791bc1-c532-465d-ae59-6445f6c712ea/bin-2019/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf [2018-11-23 03:37:07,294 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 03:37:07,294 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 03:37:07,295 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 03:37:07,295 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 03:37:07,295 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 03:37:07,296 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 03:37:07,296 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 03:37:07,296 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 03:37:07,296 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 03:37:07,296 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 03:37:07,296 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 03:37:07,296 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 03:37:07,296 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 03:37:07,297 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 03:37:07,297 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 03:37:07,297 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 03:37:07,297 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 03:37:07,297 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 03:37:07,298 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 03:37:07,298 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 03:37:07,298 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 03:37:07,300 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 03:37:07,300 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-23 03:37:07,300 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 03:37:07,300 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 03:37:07,300 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 03:37:07,301 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 03:37:07,301 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 03:37:07,301 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 03:37:07,301 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 03:37:07,301 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 03:37:07,301 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 03:37:07,301 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 03:37:07,301 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 03:37:07,302 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 03:37:07,302 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 03:37:07,302 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 03:37:07,302 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 03:37:07,302 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 03:37:07,302 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_61791bc1-c532-465d-ae59-6445f6c712ea/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 128b2219e8f86913777da69c49be5957c6dd8c80 [2018-11-23 03:37:07,329 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 03:37:07,338 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 03:37:07,340 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 03:37:07,342 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 03:37:07,342 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 03:37:07,343 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_61791bc1-c532-465d-ae59-6445f6c712ea/bin-2019/utaipan/../../sv-benchmarks/c/recursive-simple/id_b2_o3_true-unreach-call_true-termination_true-no-overflow.c [2018-11-23 03:37:07,389 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_61791bc1-c532-465d-ae59-6445f6c712ea/bin-2019/utaipan/data/84f33a11f/86299776a5664a24aaec9fff28fa3f28/FLAG803843732 [2018-11-23 03:37:07,784 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 03:37:07,784 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_61791bc1-c532-465d-ae59-6445f6c712ea/sv-benchmarks/c/recursive-simple/id_b2_o3_true-unreach-call_true-termination_true-no-overflow.c [2018-11-23 03:37:07,788 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_61791bc1-c532-465d-ae59-6445f6c712ea/bin-2019/utaipan/data/84f33a11f/86299776a5664a24aaec9fff28fa3f28/FLAG803843732 [2018-11-23 03:37:07,797 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_61791bc1-c532-465d-ae59-6445f6c712ea/bin-2019/utaipan/data/84f33a11f/86299776a5664a24aaec9fff28fa3f28 [2018-11-23 03:37:07,799 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 03:37:07,800 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 03:37:07,801 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 03:37:07,801 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 03:37:07,804 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 03:37:07,804 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:37:07" (1/1) ... [2018-11-23 03:37:07,806 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33c486bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:07, skipping insertion in model container [2018-11-23 03:37:07,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:37:07" (1/1) ... [2018-11-23 03:37:07,812 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 03:37:07,823 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 03:37:07,928 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:37:07,931 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 03:37:07,939 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:37:07,949 INFO L195 MainTranslator]: Completed translation [2018-11-23 03:37:07,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:07 WrapperNode [2018-11-23 03:37:07,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 03:37:07,950 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 03:37:07,950 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 03:37:07,950 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 03:37:07,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:07" (1/1) ... [2018-11-23 03:37:07,958 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:07" (1/1) ... [2018-11-23 03:37:07,962 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 03:37:07,962 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 03:37:07,962 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 03:37:07,962 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 03:37:07,968 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:07" (1/1) ... [2018-11-23 03:37:07,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:07" (1/1) ... [2018-11-23 03:37:07,968 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:07" (1/1) ... [2018-11-23 03:37:07,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:07" (1/1) ... [2018-11-23 03:37:07,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:07" (1/1) ... [2018-11-23 03:37:07,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:07" (1/1) ... [2018-11-23 03:37:07,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:07" (1/1) ... [2018-11-23 03:37:07,973 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 03:37:07,973 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 03:37:07,973 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 03:37:07,973 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 03:37:07,974 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_61791bc1-c532-465d-ae59-6445f6c712ea/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 [2018-11-23 03:37:08,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 03:37:08,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 03:37:08,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 03:37:08,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 03:37:08,044 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 03:37:08,044 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 03:37:08,044 INFO L130 BoogieDeclarations]: Found specification of procedure id [2018-11-23 03:37:08,044 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2018-11-23 03:37:08,130 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 03:37:08,130 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 03:37:08,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:37:08 BoogieIcfgContainer [2018-11-23 03:37:08,131 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 03:37:08,131 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 03:37:08,131 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 03:37:08,133 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 03:37:08,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:37:07" (1/3) ... [2018-11-23 03:37:08,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2160b805 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:37:08, skipping insertion in model container [2018-11-23 03:37:08,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:07" (2/3) ... [2018-11-23 03:37:08,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2160b805 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:37:08, skipping insertion in model container [2018-11-23 03:37:08,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:37:08" (3/3) ... [2018-11-23 03:37:08,135 INFO L112 eAbstractionObserver]: Analyzing ICFG id_b2_o3_true-unreach-call_true-termination_true-no-overflow.c [2018-11-23 03:37:08,141 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 03:37:08,145 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2018-11-23 03:37:08,154 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2018-11-23 03:37:08,172 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 03:37:08,172 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 03:37:08,172 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 03:37:08,173 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 03:37:08,173 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 03:37:08,173 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 03:37:08,173 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 03:37:08,173 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 03:37:08,187 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2018-11-23 03:37:08,191 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 03:37:08,195 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 20 states. [2018-11-23 03:37:08,249 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-23 03:37:08,250 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 03:37:08,250 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 03:37:08,250 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 03:37:08,250 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 03:37:08,250 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 03:37:08,250 INFO L448 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. [2018-11-23 03:37:08,250 INFO L448 ceAbstractionStarter]: For program point L14(lines 14 16) no Hoare annotation was computed. [2018-11-23 03:37:08,251 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 11 17) the Hoare annotation is: true [2018-11-23 03:37:08,251 INFO L451 ceAbstractionStarter]: At program point L13(line 13) the Hoare annotation is: true [2018-11-23 03:37:08,251 INFO L448 ceAbstractionStarter]: For program point L13-1(line 13) no Hoare annotation was computed. [2018-11-23 03:37:08,251 INFO L448 ceAbstractionStarter]: For program point L14-2(lines 11 17) no Hoare annotation was computed. [2018-11-23 03:37:08,251 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 11 17) no Hoare annotation was computed. [2018-11-23 03:37:08,251 INFO L448 ceAbstractionStarter]: For program point idFINAL(lines 4 9) no Hoare annotation was computed. [2018-11-23 03:37:08,251 INFO L448 ceAbstractionStarter]: For program point idEXIT(lines 4 9) no Hoare annotation was computed. [2018-11-23 03:37:08,251 INFO L451 ceAbstractionStarter]: At program point idENTRY(lines 4 9) the Hoare annotation is: true [2018-11-23 03:37:08,252 INFO L448 ceAbstractionStarter]: For program point L7(line 7) no Hoare annotation was computed. [2018-11-23 03:37:08,252 INFO L451 ceAbstractionStarter]: At program point L6(line 6) the Hoare annotation is: true [2018-11-23 03:37:08,252 INFO L448 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-11-23 03:37:08,252 INFO L448 ceAbstractionStarter]: For program point L6-1(line 6) no Hoare annotation was computed. [2018-11-23 03:37:08,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:37:08 BoogieIcfgContainer [2018-11-23 03:37:08,256 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 03:37:08,256 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 03:37:08,256 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 03:37:08,256 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 03:37:08,257 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:37:08" (3/4) ... [2018-11-23 03:37:08,260 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 03:37:08,266 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 03:37:08,266 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 03:37:08,266 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2018-11-23 03:37:08,269 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-23 03:37:08,270 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 03:37:08,270 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 03:37:08,309 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_61791bc1-c532-465d-ae59-6445f6c712ea/bin-2019/utaipan/witness.graphml [2018-11-23 03:37:08,309 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 03:37:08,310 INFO L168 Benchmark]: Toolchain (without parser) took 510.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.1 MB). Free memory was 958.1 MB in the beginning and 1.1 GB in the end (delta: -105.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:37:08,312 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:37:08,312 INFO L168 Benchmark]: CACSL2BoogieTranslator took 148.87 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 947.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:37:08,313 INFO L168 Benchmark]: Boogie Procedure Inliner took 11.74 ms. Allocated memory is still 1.0 GB. Free memory is still 947.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:37:08,313 INFO L168 Benchmark]: Boogie Preprocessor took 10.48 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:37:08,314 INFO L168 Benchmark]: RCFGBuilder took 157.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.1 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -132.0 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-23 03:37:08,315 INFO L168 Benchmark]: TraceAbstraction took 124.46 ms. Allocated memory is still 1.1 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. [2018-11-23 03:37:08,316 INFO L168 Benchmark]: Witness Printer took 53.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:37:08,320 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 148.87 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 947.3 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 11.74 ms. Allocated memory is still 1.0 GB. Free memory is still 947.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.48 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 157.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.1 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -132.0 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 124.46 ms. Allocated memory is still 1.1 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 53.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 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. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 20 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=20occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 9 PreInvPairs, 9 NumberOfFragments, 7 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 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...