./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id_b2_o3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f6b375d8-de9b-4c11-87f2-2fa830d2386d/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f6b375d8-de9b-4c11-87f2-2fa830d2386d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f6b375d8-de9b-4c11-87f2-2fa830d2386d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f6b375d8-de9b-4c11-87f2-2fa830d2386d/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_b2_o3.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f6b375d8-de9b-4c11-87f2-2fa830d2386d/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f6b375d8-de9b-4c11-87f2-2fa830d2386d/bin/uautomizer --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 Automizer --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 0.1.24-cad4683 [2019-10-22 09:01:04,117 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:01:04,119 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:01:04,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:01:04,129 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:01:04,130 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:01:04,131 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:01:04,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:01:04,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:01:04,136 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:01:04,138 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:01:04,139 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:01:04,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:01:04,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:01:04,140 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:01:04,141 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:01:04,142 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:01:04,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:01:04,143 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:01:04,144 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:01:04,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:01:04,155 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:01:04,156 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:01:04,158 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:01:04,159 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:01:04,159 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:01:04,160 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:01:04,160 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:01:04,160 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:01:04,164 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:01:04,165 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:01:04,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:01:04,166 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:01:04,166 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:01:04,167 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:01:04,167 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:01:04,168 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:01:04,168 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:01:04,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:01:04,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:01:04,171 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:01:04,172 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f6b375d8-de9b-4c11-87f2-2fa830d2386d/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf [2019-10-22 09:01:04,182 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:01:04,191 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:01:04,192 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:01:04,192 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:01:04,192 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:01:04,192 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:01:04,193 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:01:04,193 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 09:01:04,193 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:01:04,193 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:01:04,193 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:01:04,193 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:01:04,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:01:04,194 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:01:04,194 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-10-22 09:01:04,194 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:01:04,194 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:01:04,194 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:01:04,194 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:01:04,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:01:04,195 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:01:04,195 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:01:04,195 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:01:04,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:01:04,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:01:04,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:01:04,196 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:01:04,196 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:01:04,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:01:04,196 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:01:04,196 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_f6b375d8-de9b-4c11-87f2-2fa830d2386d/bin/uautomizer 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 -> Automizer 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 [2019-10-22 09:01:04,219 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:01:04,229 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:01:04,233 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:01:04,234 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:01:04,235 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:01:04,235 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f6b375d8-de9b-4c11-87f2-2fa830d2386d/bin/uautomizer/../../sv-benchmarks/c/recursive-simple/id_b2_o3.c [2019-10-22 09:01:04,281 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f6b375d8-de9b-4c11-87f2-2fa830d2386d/bin/uautomizer/data/aa3b6a486/1e83149127704a65acd0211e76c01417/FLAGbd6ad7d3a [2019-10-22 09:01:04,643 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:01:04,644 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f6b375d8-de9b-4c11-87f2-2fa830d2386d/sv-benchmarks/c/recursive-simple/id_b2_o3.c [2019-10-22 09:01:04,648 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f6b375d8-de9b-4c11-87f2-2fa830d2386d/bin/uautomizer/data/aa3b6a486/1e83149127704a65acd0211e76c01417/FLAGbd6ad7d3a [2019-10-22 09:01:04,657 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f6b375d8-de9b-4c11-87f2-2fa830d2386d/bin/uautomizer/data/aa3b6a486/1e83149127704a65acd0211e76c01417 [2019-10-22 09:01:04,660 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:01:04,661 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:01:04,662 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:01:04,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:01:04,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:01:04,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:01:04" (1/1) ... [2019-10-22 09:01:04,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ed8d7e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:04, skipping insertion in model container [2019-10-22 09:01:04,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:01:04" (1/1) ... [2019-10-22 09:01:04,675 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:01:04,686 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:01:04,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:01:04,809 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:01:04,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:01:04,887 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:01:04,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:04 WrapperNode [2019-10-22 09:01:04,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:01:04,893 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:01:04,893 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:01:04,893 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:01:04,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:04" (1/1) ... [2019-10-22 09:01:04,906 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:04" (1/1) ... [2019-10-22 09:01:04,923 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:01:04,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:01:04,925 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:01:04,925 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:01:04,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:04" (1/1) ... [2019-10-22 09:01:04,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:04" (1/1) ... [2019-10-22 09:01:04,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:04" (1/1) ... [2019-10-22 09:01:04,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:04" (1/1) ... [2019-10-22 09:01:04,935 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:04" (1/1) ... [2019-10-22 09:01:04,936 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:04" (1/1) ... [2019-10-22 09:01:04,938 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:04" (1/1) ... [2019-10-22 09:01:04,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:01:04,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:01:04,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:01:04,940 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:01:04,941 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f6b375d8-de9b-4c11-87f2-2fa830d2386d/bin/uautomizer/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 [2019-10-22 09:01:04,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:01:04,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:01:04,996 INFO L130 BoogieDeclarations]: Found specification of procedure id [2019-10-22 09:01:04,996 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2019-10-22 09:01:05,131 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:01:05,131 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-22 09:01:05,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:05 BoogieIcfgContainer [2019-10-22 09:01:05,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:01:05,133 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:01:05,133 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:01:05,136 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:01:05,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:01:04" (1/3) ... [2019-10-22 09:01:05,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dd4ff50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:01:05, skipping insertion in model container [2019-10-22 09:01:05,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:04" (2/3) ... [2019-10-22 09:01:05,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dd4ff50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:01:05, skipping insertion in model container [2019-10-22 09:01:05,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:05" (3/3) ... [2019-10-22 09:01:05,139 INFO L109 eAbstractionObserver]: Analyzing ICFG id_b2_o3.c [2019-10-22 09:01:05,150 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:01:05,156 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-10-22 09:01:05,165 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-10-22 09:01:05,182 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:01:05,182 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:01:05,182 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:01:05,182 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:01:05,182 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:01:05,182 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:01:05,182 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:01:05,182 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:01:05,195 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2019-10-22 09:01:05,199 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 09:01:05,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 15 states. [2019-10-22 09:01:05,264 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 09:01:05,264 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 09:01:05,264 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 09:01:05,264 INFO L443 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. [2019-10-22 09:01:05,265 INFO L443 ceAbstractionStarter]: For program point L14(lines 14 16) no Hoare annotation was computed. [2019-10-22 09:01:05,265 INFO L446 ceAbstractionStarter]: At program point L13(line 13) the Hoare annotation is: true [2019-10-22 09:01:05,265 INFO L443 ceAbstractionStarter]: For program point L13-1(line 13) no Hoare annotation was computed. [2019-10-22 09:01:05,265 INFO L443 ceAbstractionStarter]: For program point L11(lines 11 17) no Hoare annotation was computed. [2019-10-22 09:01:05,265 INFO L443 ceAbstractionStarter]: For program point idFINAL(lines 4 9) no Hoare annotation was computed. [2019-10-22 09:01:05,265 INFO L443 ceAbstractionStarter]: For program point idEXIT(lines 4 9) no Hoare annotation was computed. [2019-10-22 09:01:05,266 INFO L446 ceAbstractionStarter]: At program point idENTRY(lines 4 9) the Hoare annotation is: true [2019-10-22 09:01:05,266 INFO L443 ceAbstractionStarter]: For program point L7(line 7) no Hoare annotation was computed. [2019-10-22 09:01:05,266 INFO L446 ceAbstractionStarter]: At program point L6(line 6) the Hoare annotation is: true [2019-10-22 09:01:05,266 INFO L443 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2019-10-22 09:01:05,266 INFO L443 ceAbstractionStarter]: For program point L6-1(line 6) no Hoare annotation was computed. [2019-10-22 09:01:05,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:01:05 BoogieIcfgContainer [2019-10-22 09:01:05,270 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:01:05,271 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:01:05,271 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:01:05,271 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:01:05,272 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:05" (3/4) ... [2019-10-22 09:01:05,275 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 09:01:05,295 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2019-10-22 09:01:05,298 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-10-22 09:01:05,298 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 09:01:05,375 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f6b375d8-de9b-4c11-87f2-2fa830d2386d/bin/uautomizer/witness.graphml [2019-10-22 09:01:05,375 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:01:05,377 INFO L168 Benchmark]: Toolchain (without parser) took 715.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 943.2 MB in the beginning and 1.1 GB in the end (delta: -149.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:05,378 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:05,378 INFO L168 Benchmark]: CACSL2BoogieTranslator took 226.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 943.2 MB in the beginning and 1.1 GB in the end (delta: -183.2 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:05,379 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:05,379 INFO L168 Benchmark]: Boogie Preprocessor took 15.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:05,379 INFO L168 Benchmark]: RCFGBuilder took 192.84 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: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:05,380 INFO L168 Benchmark]: TraceAbstraction took 137.13 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: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:05,380 INFO L168 Benchmark]: Witness Printer took 104.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:05,383 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 226.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 943.2 MB in the beginning and 1.1 GB in the end (delta: -183.2 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 192.84 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: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 137.13 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: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. * Witness Printer took 104.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. 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 2 procedures, 15 locations, 0 error locations. Result: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 5 PreInvPairs, 5 NumberOfFragments, 3 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 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...