./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_3.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_235313c8-8ab9-4c94-aa89-9ac5887abcbf/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_235313c8-8ab9-4c94-aa89-9ac5887abcbf/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_235313c8-8ab9-4c94-aa89-9ac5887abcbf/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_235313c8-8ab9-4c94-aa89-9ac5887abcbf/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_3.BV.c.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_235313c8-8ab9-4c94-aa89-9ac5887abcbf/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_235313c8-8ab9-4c94-aa89-9ac5887abcbf/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 cfc4572bc150d8d2f9b1a5737590a88a31fdad6b ................................................................................................................................................................................................................................................................................................... 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 0.1.24-6b5699a [2019-11-26 02:52:38,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:52:38,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:52:38,320 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:52:38,321 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:52:38,322 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:52:38,323 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:52:38,325 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:52:38,327 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:52:38,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:52:38,329 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:52:38,330 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:52:38,330 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:52:38,331 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:52:38,332 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:52:38,333 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:52:38,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:52:38,335 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:52:38,339 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:52:38,341 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:52:38,343 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:52:38,344 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:52:38,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:52:38,346 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:52:38,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:52:38,348 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:52:38,348 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:52:38,349 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:52:38,350 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:52:38,350 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:52:38,350 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:52:38,351 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:52:38,352 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:52:38,356 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:52:38,357 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:52:38,358 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:52:38,358 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:52:38,359 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:52:38,359 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:52:38,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:52:38,364 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:52:38,364 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_235313c8-8ab9-4c94-aa89-9ac5887abcbf/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf [2019-11-26 02:52:38,384 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:52:38,384 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:52:38,385 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:52:38,385 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:52:38,386 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:52:38,386 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:52:38,386 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:52:38,386 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:52:38,386 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:52:38,387 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:52:38,387 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:52:38,388 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:52:38,388 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:52:38,388 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:52:38,389 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:52:38,389 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:52:38,389 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:52:38,390 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 02:52:38,390 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:52:38,390 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:52:38,390 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:52:38,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:52:38,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:52:38,391 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:52:38,391 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-26 02:52:38,391 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:52:38,392 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:52:38,392 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:52:38,392 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:52:38,392 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:52:38,393 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:52:38,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:52:38,393 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:52:38,393 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:52:38,394 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:52:38,394 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:52:38,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:52:38,394 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:52:38,395 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:52:38,395 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/run_dir_235313c8-8ab9-4c94-aa89-9ac5887abcbf/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 -> cfc4572bc150d8d2f9b1a5737590a88a31fdad6b [2019-11-26 02:52:38,530 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:52:38,539 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:52:38,542 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:52:38,544 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:52:38,544 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:52:38,545 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_235313c8-8ab9-4c94-aa89-9ac5887abcbf/bin/utaipan/../../sv-benchmarks/c/bitvector/s3_srvr_3.BV.c.cil.c [2019-11-26 02:52:38,593 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_235313c8-8ab9-4c94-aa89-9ac5887abcbf/bin/utaipan/data/ac2012643/1f0a5d8f4f354512a3633a04053c725c/FLAG90ee27521 [2019-11-26 02:52:39,017 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:52:39,018 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_235313c8-8ab9-4c94-aa89-9ac5887abcbf/sv-benchmarks/c/bitvector/s3_srvr_3.BV.c.cil.c [2019-11-26 02:52:39,043 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_235313c8-8ab9-4c94-aa89-9ac5887abcbf/bin/utaipan/data/ac2012643/1f0a5d8f4f354512a3633a04053c725c/FLAG90ee27521 [2019-11-26 02:52:39,060 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_235313c8-8ab9-4c94-aa89-9ac5887abcbf/bin/utaipan/data/ac2012643/1f0a5d8f4f354512a3633a04053c725c [2019-11-26 02:52:39,063 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:52:39,064 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:52:39,070 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:52:39,070 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:52:39,075 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:52:39,075 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:52:39" (1/1) ... [2019-11-26 02:52:39,078 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fb41984 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:39, skipping insertion in model container [2019-11-26 02:52:39,078 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:52:39" (1/1) ... [2019-11-26 02:52:39,085 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:52:39,131 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:52:39,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:52:39,398 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:52:39,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:52:39,492 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:52:39,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:39 WrapperNode [2019-11-26 02:52:39,493 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:52:39,494 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:52:39,494 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:52:39,494 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:52:39,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:39" (1/1) ... [2019-11-26 02:52:39,511 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:39" (1/1) ... [2019-11-26 02:52:39,552 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:52:39,554 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:52:39,554 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:52:39,554 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:52:39,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:39" (1/1) ... [2019-11-26 02:52:39,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:39" (1/1) ... [2019-11-26 02:52:39,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:39" (1/1) ... [2019-11-26 02:52:39,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:39" (1/1) ... [2019-11-26 02:52:39,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:39" (1/1) ... [2019-11-26 02:52:39,589 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:39" (1/1) ... [2019-11-26 02:52:39,592 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:39" (1/1) ... [2019-11-26 02:52:39,597 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:52:39,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:52:39,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:52:39,598 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:52:39,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_235313c8-8ab9-4c94-aa89-9ac5887abcbf/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 [2019-11-26 02:52:39,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:52:39,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:52:39,896 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:52:40,499 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2019-11-26 02:52:40,499 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2019-11-26 02:52:40,687 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:52:40,688 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-26 02:52:40,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:52:40 BoogieIcfgContainer [2019-11-26 02:52:40,689 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:52:40,690 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:52:40,690 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:52:40,692 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:52:40,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:52:39" (1/3) ... [2019-11-26 02:52:40,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c517c9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:52:40, skipping insertion in model container [2019-11-26 02:52:40,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:52:39" (2/3) ... [2019-11-26 02:52:40,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c517c9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:52:40, skipping insertion in model container [2019-11-26 02:52:40,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:52:40" (3/3) ... [2019-11-26 02:52:40,695 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_srvr_3.BV.c.cil.c [2019-11-26 02:52:40,704 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:52:40,710 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 14 error locations. [2019-11-26 02:52:40,717 INFO L249 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2019-11-26 02:52:40,738 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:52:40,738 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:52:40,739 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:52:40,739 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:52:40,739 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:52:40,739 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:52:40,739 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:52:40,739 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:52:40,758 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2019-11-26 02:52:40,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-11-26 02:52:40,762 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:52:40,762 INFO L410 BasicCegarLoop]: trace histogram [1, 1] [2019-11-26 02:52:40,763 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-26 02:52:40,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:52:40,767 INFO L82 PathProgramCache]: Analyzing trace with hash 21310, now seen corresponding path program 1 times [2019-11-26 02:52:40,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:52:40,774 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79576457] [2019-11-26 02:52:40,774 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:52:40,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:52:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:52:40,907 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-11-26 02:52:40,907 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-26 02:52:40,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:52:40 BoogieIcfgContainer [2019-11-26 02:52:40,930 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:52:40,930 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:52:40,931 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:52:40,931 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:52:40,931 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:52:40" (3/4) ... [2019-11-26 02:52:40,933 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-26 02:52:40,993 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_235313c8-8ab9-4c94-aa89-9ac5887abcbf/bin/utaipan/witness.graphml [2019-11-26 02:52:40,993 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:52:40,995 INFO L168 Benchmark]: Toolchain (without parser) took 1929.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -72.3 MB). Peak memory consumption was 66.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:52:40,995 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:52:40,996 INFO L168 Benchmark]: CACSL2BoogieTranslator took 423.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -185.1 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:52:40,996 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.32 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:52:40,996 INFO L168 Benchmark]: Boogie Preprocessor took 42.92 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. [2019-11-26 02:52:40,997 INFO L168 Benchmark]: RCFGBuilder took 1091.72 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: 85.3 MB). Peak memory consumption was 85.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:52:40,997 INFO L168 Benchmark]: TraceAbstraction took 240.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:52:40,998 INFO L168 Benchmark]: Witness Printer took 62.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:52:41,000 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 423.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -185.1 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.32 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.92 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 1091.72 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: 85.3 MB). Peak memory consumption was 85.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 240.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * Witness Printer took 62.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 81]: integer overflow possible integer overflow possible We found a FailurePath: [L675] int s ; [L676] int tmp ; [L680] s = 8464 [L9] int s__info_callback = __VERIFIER_nondet_int(); [L10] int s__in_handshake = __VERIFIER_nondet_int(); [L11] int s__state ; [L12] int s__new_session ; [L13] int s__server ; [L14] int s__version = __VERIFIER_nondet_int(); [L15] int s__type ; [L16] int s__init_num ; [L17] int s__hit = __VERIFIER_nondet_int(); [L18] int s__rwstate ; [L19] int s__init_buf___0 ; [L20] int s__debug = __VERIFIER_nondet_int(); [L21] int s__shutdown ; [L22] int s__cert = __VERIFIER_nondet_int(); [L23] int s__options = __VERIFIER_nondet_int(); [L24] int s__verify_mode = __VERIFIER_nondet_int(); [L25] int s__session__peer = __VERIFIER_nondet_int(); [L26] int s__cert__pkeys__AT0__privatekey = __VERIFIER_nondet_int(); [L27] int s__ctx__info_callback = __VERIFIER_nondet_int(); [L28] int s__ctx__stats__sess_accept_renegotiate ; [L29] int s__ctx__stats__sess_accept ; [L30] int s__ctx__stats__sess_accept_good = __VERIFIER_nondet_int(); [L31] int s__s3__tmp__cert_request ; [L32] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int(); [L33] int s__s3__tmp__use_rsa_tmp ; [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_cipher__algo_strength = __VERIFIER_nondet_int(); [L38] int s__session__cipher ; [L39] int buf ; [L40] unsigned long l ; [L41] unsigned long Time ; [L42] unsigned long tmp ; [L43] int cb ; [L44] long num1 ; [L45] int ret ; [L46] int new_state ; [L47] int state ; [L48] int skip ; [L49] int got_new_session ; [L50] int tmp___1 = __VERIFIER_nondet_int(); [L51] int tmp___2 = __VERIFIER_nondet_int(); [L52] int tmp___3 = __VERIFIER_nondet_int(); [L53] int tmp___4 = __VERIFIER_nondet_int(); [L54] int tmp___5 = __VERIFIER_nondet_int(); [L55] int tmp___6 = __VERIFIER_nondet_int(); [L56] int tmp___7 ; [L57] long tmp___8 = __VERIFIER_nondet_long(); [L58] int tmp___9 = __VERIFIER_nondet_int(); [L59] int tmp___10 = __VERIFIER_nondet_int(); [L60] int blastFlag ; [L61] int __retres67 ; [L64] s__state = initial_state [L65] blastFlag = 0 [L66] tmp = __VERIFIER_nondet_int() [L67] Time = tmp [L68] cb = 0 [L69] ret = -1 [L70] skip = 0 [L71] got_new_session = 0 [L72] COND TRUE s__info_callback != 0 [L73] cb = s__info_callback [L81] s__in_handshake + 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 133 locations, 14 error locations. Result: UNSAFE, OverallTime: 0.1s, 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=133occurred 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, 2 NumberOfCodeBlocks, 2 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...