./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2.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_b5010c8e-4d0e-4804-967b-72798a92e295/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b5010c8e-4d0e-4804-967b-72798a92e295/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b5010c8e-4d0e-4804-967b-72798a92e295/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b5010c8e-4d0e-4804-967b-72798a92e295/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b5010c8e-4d0e-4804-967b-72798a92e295/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b5010c8e-4d0e-4804-967b-72798a92e295/bin/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 424a421197f4ce84b83a2829176da10a33705ff6 ....................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:25:56,135 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:25:56,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:25:56,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:25:56,148 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:25:56,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:25:56,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:25:56,152 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:25:56,154 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:25:56,155 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:25:56,156 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:25:56,157 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:25:56,157 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:25:56,158 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:25:56,159 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:25:56,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:25:56,161 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:25:56,162 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:25:56,163 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:25:56,165 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:25:56,166 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:25:56,167 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:25:56,168 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:25:56,169 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:25:56,171 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:25:56,172 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:25:56,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:25:56,173 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:25:56,173 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:25:56,174 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:25:56,174 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:25:56,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:25:56,176 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:25:56,176 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:25:56,177 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:25:56,178 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:25:56,178 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:25:56,178 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:25:56,179 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:25:56,179 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:25:56,180 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:25:56,181 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b5010c8e-4d0e-4804-967b-72798a92e295/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf [2019-10-22 11:25:56,193 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:25:56,194 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:25:56,194 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:25:56,195 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:25:56,195 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:25:56,195 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:25:56,195 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:25:56,195 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:25:56,196 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:25:56,196 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:25:56,196 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:25:56,196 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:25:56,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:25:56,198 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:25:56,198 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 11:25:56,198 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:25:56,198 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:25:56,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:25:56,199 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:25:56,199 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:25:56,199 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:25:56,199 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-10-22 11:25:56,199 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:25:56,200 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:25:56,200 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:25:56,200 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:25:56,200 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:25:56,200 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:25:56,201 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:25:56,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:25:56,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:25:56,202 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:25:56,202 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:25:56,202 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:25:56,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:25:56,202 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:25:56,203 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:25:56,203 INFO L138 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_b5010c8e-4d0e-4804-967b-72798a92e295/bin/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 -> 424a421197f4ce84b83a2829176da10a33705ff6 [2019-10-22 11:25:56,230 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:25:56,240 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:25:56,243 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:25:56,245 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:25:56,245 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:25:56,246 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b5010c8e-4d0e-4804-967b-72798a92e295/bin/utaipan/../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2.c [2019-10-22 11:25:56,292 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b5010c8e-4d0e-4804-967b-72798a92e295/bin/utaipan/data/b4bd87308/5fc269b7b038443ebc0d3dc1c29c5648/FLAGc652eda7f [2019-10-22 11:25:56,735 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:25:56,736 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b5010c8e-4d0e-4804-967b-72798a92e295/sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2.c [2019-10-22 11:25:56,756 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b5010c8e-4d0e-4804-967b-72798a92e295/bin/utaipan/data/b4bd87308/5fc269b7b038443ebc0d3dc1c29c5648/FLAGc652eda7f [2019-10-22 11:25:57,100 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b5010c8e-4d0e-4804-967b-72798a92e295/bin/utaipan/data/b4bd87308/5fc269b7b038443ebc0d3dc1c29c5648 [2019-10-22 11:25:57,102 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:25:57,103 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:25:57,104 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:25:57,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:25:57,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:25:57,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:25:57" (1/1) ... [2019-10-22 11:25:57,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6df1a1b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:57, skipping insertion in model container [2019-10-22 11:25:57,111 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:25:57" (1/1) ... [2019-10-22 11:25:57,117 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:25:57,147 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:25:57,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:25:57,443 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:25:57,487 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:25:57,500 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:25:57,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:57 WrapperNode [2019-10-22 11:25:57,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:25:57,501 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:25:57,501 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:25:57,501 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:25:57,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:57" (1/1) ... [2019-10-22 11:25:57,519 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:57" (1/1) ... [2019-10-22 11:25:57,560 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:25:57,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:25:57,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:25:57,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:25:57,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:57" (1/1) ... [2019-10-22 11:25:57,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:57" (1/1) ... [2019-10-22 11:25:57,571 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:57" (1/1) ... [2019-10-22 11:25:57,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:57" (1/1) ... [2019-10-22 11:25:57,577 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:57" (1/1) ... [2019-10-22 11:25:57,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:57" (1/1) ... [2019-10-22 11:25:57,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:57" (1/1) ... [2019-10-22 11:25:57,589 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:25:57,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:25:57,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:25:57,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:25:57,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b5010c8e-4d0e-4804-967b-72798a92e295/bin/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 [2019-10-22 11:25:57,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:25:57,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:25:57,748 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 11:25:58,187 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2019-10-22 11:25:58,188 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2019-10-22 11:25:58,189 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:25:58,189 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 11:25:58,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:58 BoogieIcfgContainer [2019-10-22 11:25:58,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:25:58,191 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:25:58,192 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:25:58,194 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:25:58,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:25:57" (1/3) ... [2019-10-22 11:25:58,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@691aa99b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:25:58, skipping insertion in model container [2019-10-22 11:25:58,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:57" (2/3) ... [2019-10-22 11:25:58,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@691aa99b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:25:58, skipping insertion in model container [2019-10-22 11:25:58,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:58" (3/3) ... [2019-10-22 11:25:58,197 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_clnt_1.BV.c.cil-2.c [2019-10-22 11:25:58,205 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:25:58,217 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 26 error locations. [2019-10-22 11:25:58,227 INFO L249 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2019-10-22 11:25:58,248 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:25:58,249 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:25:58,250 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:25:58,250 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:25:58,250 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:25:58,250 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:25:58,250 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:25:58,250 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:25:58,268 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states. [2019-10-22 11:25:58,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 11:25:58,273 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:25:58,274 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-10-22 11:25:58,276 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-10-22 11:25:58,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:25:58,281 INFO L82 PathProgramCache]: Analyzing trace with hash 30889, now seen corresponding path program 1 times [2019-10-22 11:25:58,290 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:25:58,290 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332510370] [2019-10-22 11:25:58,290 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:58,290 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:25:58,291 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:25:58,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:25:58,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:25:58,440 INFO L168 tionRefinementEngine]: Strategy TAIPAN found a feasible trace [2019-10-22 11:25:58,445 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 11:25:58,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:25:58 BoogieIcfgContainer [2019-10-22 11:25:58,467 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:25:58,467 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:25:58,467 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:25:58,467 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:25:58,468 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:25:58" (3/4) ... [2019-10-22 11:25:58,470 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 11:25:58,542 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b5010c8e-4d0e-4804-967b-72798a92e295/bin/utaipan/witness.graphml [2019-10-22 11:25:58,545 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:25:58,548 INFO L168 Benchmark]: Toolchain (without parser) took 1444.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 941.0 MB in the beginning and 1.0 GB in the end (delta: -100.8 MB). Peak memory consumption was 29.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:58,550 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:25:58,550 INFO L168 Benchmark]: CACSL2BoogieTranslator took 396.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -176.9 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:58,551 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.50 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 11:25:58,551 INFO L168 Benchmark]: Boogie Preprocessor took 28.28 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:58,551 INFO L168 Benchmark]: RCFGBuilder took 601.38 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:58,552 INFO L168 Benchmark]: TraceAbstraction took 275.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:58,552 INFO L168 Benchmark]: Witness Printer took 78.54 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:25:58,555 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 396.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -176.9 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.50 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 28.28 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 601.38 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 275.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Witness Printer took 78.54 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 86]: integer overflow possible integer overflow possible We found a FailurePath: [L627] int __retres1 ; [L8] int s__info_callback = __VERIFIER_nondet_int(); [L9] int s__in_handshake = __VERIFIER_nondet_int(); [L10] int s__state ; [L11] int s__new_session ; [L12] int s__server ; [L13] int s__version = __VERIFIER_nondet_int(); [L14] int s__type ; [L15] int s__init_num ; [L16] int s__bbio = __VERIFIER_nondet_int(); [L17] int s__wbio = __VERIFIER_nondet_int(); [L18] int s__hit = __VERIFIER_nondet_int(); [L19] int s__rwstate ; [L20] int s__init_buf___0 ; [L21] int s__debug = __VERIFIER_nondet_int(); [L22] int s__shutdown ; [L23] int s__ctx__info_callback = __VERIFIER_nondet_int(); [L24] int s__ctx__stats__sess_connect_renegotiate ; [L25] int s__ctx__stats__sess_connect ; [L26] int s__ctx__stats__sess_hit = __VERIFIER_nondet_int(); [L27] int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_int(); [L28] int s__s3__change_cipher_spec ; [L29] int s__s3__flags ; [L30] int s__s3__delay_buf_pop_ret ; [L31] int s__s3__tmp__cert_req = __VERIFIER_nondet_int(); [L32] int s__s3__tmp__new_compression = __VERIFIER_nondet_int(); [L33] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int(); [L34] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int(); [L35] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int(); [L36] int s__s3__tmp__next_state___0 ; [L37] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int(); [L38] int s__session__cipher ; [L39] int s__session__compress_meth ; [L40] int buf ; [L41] unsigned long tmp ; [L42] unsigned long l ; [L43] int num1 ; [L44] int cb ; [L45] int ret ; [L46] int new_state ; [L47] int state ; [L48] int skip ; [L49] int tmp___0 ; [L50] int tmp___1 ; [L51] int tmp___2 ; [L52] int tmp___3 ; [L53] int tmp___4 ; [L54] int tmp___5 ; [L55] int tmp___6 = __VERIFIER_nondet_int(); [L56] int tmp___7 = __VERIFIER_nondet_int(); [L57] int tmp___8 = __VERIFIER_nondet_int(); [L58] int tmp___9 = __VERIFIER_nondet_int(); [L59] int blastFlag ; [L60] int ag_X ; [L61] int ag_Y ; [L62] int ag_Z = __VERIFIER_nondet_int(); [L63] unsigned int ag_V ; [L64] unsigned int ag_W ; [L65] int __retres62 ; [L68] ag_V = 2U [L69] ag_W = 5U [L70] s__state = 12292 [L71] blastFlag = 0 [L72] tmp = __VERIFIER_nondet_int() [L73] cb = 0 [L74] ret = -1 [L75] skip = 0 [L76] tmp___0 = 0 [L77] COND TRUE s__info_callback != 0 [L78] cb = s__info_callback [L86] s__in_handshake + 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 174 locations, 26 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=174occurred 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: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...