./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/ssh-simplified/s3_srvr_6_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c556be4a-a23f-47f1-8ff8-6c37df694d3f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c556be4a-a23f-47f1-8ff8-6c37df694d3f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c556be4a-a23f-47f1-8ff8-6c37df694d3f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c556be4a-a23f-47f1-8ff8-6c37df694d3f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ssh-simplified/s3_srvr_6_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c556be4a-a23f-47f1-8ff8-6c37df694d3f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c556be4a-a23f-47f1-8ff8-6c37df694d3f/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4924f8937ba7fde97eecf4781d9d5fa93db570e9 ....................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 11:48:48,662 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 11:48:48,663 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 11:48:48,668 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 11:48:48,669 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 11:48:48,669 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 11:48:48,670 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 11:48:48,671 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 11:48:48,673 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 11:48:48,673 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 11:48:48,674 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 11:48:48,674 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 11:48:48,675 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 11:48:48,675 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 11:48:48,676 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 11:48:48,676 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 11:48:48,676 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 11:48:48,677 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 11:48:48,679 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 11:48:48,680 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 11:48:48,680 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 11:48:48,681 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 11:48:48,682 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 11:48:48,682 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 11:48:48,682 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 11:48:48,683 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 11:48:48,683 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 11:48:48,684 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 11:48:48,684 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 11:48:48,685 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 11:48:48,685 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 11:48:48,686 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 11:48:48,686 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 11:48:48,686 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 11:48:48,687 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 11:48:48,687 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 11:48:48,688 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c556be4a-a23f-47f1-8ff8-6c37df694d3f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 11:48:48,695 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 11:48:48,695 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 11:48:48,696 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 11:48:48,696 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 11:48:48,696 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 11:48:48,696 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 11:48:48,696 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 11:48:48,697 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 11:48:48,697 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 11:48:48,697 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 11:48:48,697 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 11:48:48,697 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 11:48:48,698 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 11:48:48,698 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 11:48:48,698 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 11:48:48,698 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 11:48:48,698 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 11:48:48,698 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 11:48:48,698 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 11:48:48,699 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 11:48:48,699 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 11:48:48,699 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 11:48:48,699 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 11:48:48,699 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 11:48:48,699 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 11:48:48,699 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 11:48:48,700 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 11:48:48,700 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 11:48:48,700 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 11:48:48,700 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 11:48:48,700 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 11:48:48,700 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 11:48:48,700 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 11:48:48,700 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 11:48:48,701 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_c556be4a-a23f-47f1-8ff8-6c37df694d3f/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) 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 -> 4924f8937ba7fde97eecf4781d9d5fa93db570e9 [2018-11-10 11:48:48,724 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 11:48:48,734 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 11:48:48,736 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 11:48:48,737 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 11:48:48,738 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 11:48:48,738 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c556be4a-a23f-47f1-8ff8-6c37df694d3f/bin-2019/utaipan/../../sv-benchmarks/c/ssh-simplified/s3_srvr_6_false-unreach-call_false-termination.cil.c [2018-11-10 11:48:48,779 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c556be4a-a23f-47f1-8ff8-6c37df694d3f/bin-2019/utaipan/data/201731d82/ba55f488ec86450f90398e1b537168ec/FLAG4aea9b941 [2018-11-10 11:48:49,101 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 11:48:49,102 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c556be4a-a23f-47f1-8ff8-6c37df694d3f/sv-benchmarks/c/ssh-simplified/s3_srvr_6_false-unreach-call_false-termination.cil.c [2018-11-10 11:48:49,111 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c556be4a-a23f-47f1-8ff8-6c37df694d3f/bin-2019/utaipan/data/201731d82/ba55f488ec86450f90398e1b537168ec/FLAG4aea9b941 [2018-11-10 11:48:49,121 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c556be4a-a23f-47f1-8ff8-6c37df694d3f/bin-2019/utaipan/data/201731d82/ba55f488ec86450f90398e1b537168ec [2018-11-10 11:48:49,123 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 11:48:49,125 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 11:48:49,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 11:48:49,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 11:48:49,128 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 11:48:49,128 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:48:49" (1/1) ... [2018-11-10 11:48:49,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51b9e86d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:48:49, skipping insertion in model container [2018-11-10 11:48:49,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:48:49" (1/1) ... [2018-11-10 11:48:49,136 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 11:48:49,165 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 11:48:49,322 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:48:49,325 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 11:48:49,371 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:48:49,381 INFO L193 MainTranslator]: Completed translation [2018-11-10 11:48:49,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:48:49 WrapperNode [2018-11-10 11:48:49,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 11:48:49,382 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 11:48:49,382 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 11:48:49,382 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 11:48:49,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:48:49" (1/1) ... [2018-11-10 11:48:49,394 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:48:49" (1/1) ... [2018-11-10 11:48:49,407 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 11:48:49,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 11:48:49,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 11:48:49,407 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 11:48:49,415 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:48:49" (1/1) ... [2018-11-10 11:48:49,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:48:49" (1/1) ... [2018-11-10 11:48:49,417 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:48:49" (1/1) ... [2018-11-10 11:48:49,417 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:48:49" (1/1) ... [2018-11-10 11:48:49,425 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:48:49" (1/1) ... [2018-11-10 11:48:49,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:48:49" (1/1) ... [2018-11-10 11:48:49,437 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:48:49" (1/1) ... [2018-11-10 11:48:49,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 11:48:49,440 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 11:48:49,440 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 11:48:49,441 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 11:48:49,441 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:48:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c556be4a-a23f-47f1-8ff8-6c37df694d3f/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 11:48:49,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 11:48:49,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 11:48:49,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 11:48:49,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 11:48:49,510 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 11:48:49,511 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 11:48:49,511 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2018-11-10 11:48:49,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2018-11-10 11:48:49,605 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 11:48:49,605 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 11:48:49,980 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 11:48:49,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:48:49 BoogieIcfgContainer [2018-11-10 11:48:49,980 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 11:48:49,981 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 11:48:49,981 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 11:48:49,984 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 11:48:49,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 11:48:49" (1/3) ... [2018-11-10 11:48:49,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f2747b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:48:49, skipping insertion in model container [2018-11-10 11:48:49,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:48:49" (2/3) ... [2018-11-10 11:48:49,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f2747b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:48:49, skipping insertion in model container [2018-11-10 11:48:49,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:48:49" (3/3) ... [2018-11-10 11:48:49,986 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_6_false-unreach-call_false-termination.cil.c [2018-11-10 11:48:49,993 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 11:48:49,998 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 11:48:50,010 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 11:48:50,037 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 11:48:50,037 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 11:48:50,038 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 11:48:50,038 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 11:48:50,038 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 11:48:50,038 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 11:48:50,038 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 11:48:50,038 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 11:48:50,053 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states. [2018-11-10 11:48:50,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 11:48:50,056 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:48:50,057 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:48:50,058 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:48:50,061 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:48:50,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1728494385, now seen corresponding path program 1 times [2018-11-10 11:48:50,063 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:48:50,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:48:50,094 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:48:50,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:48:50,094 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:48:50,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:48:50,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:48:50,182 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 11:48:50,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 11:48:50 BoogieIcfgContainer [2018-11-10 11:48:50,209 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 11:48:50,210 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 11:48:50,210 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 11:48:50,210 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 11:48:50,210 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:48:49" (3/4) ... [2018-11-10 11:48:50,212 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 11:48:50,259 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c556be4a-a23f-47f1-8ff8-6c37df694d3f/bin-2019/utaipan/witness.graphml [2018-11-10 11:48:50,260 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 11:48:50,260 INFO L168 Benchmark]: Toolchain (without parser) took 1136.53 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 17.8 MB). Free memory was 959.2 MB in the beginning and 946.0 MB in the end (delta: 13.2 MB). Peak memory consumption was 31.1 MB. Max. memory is 11.5 GB. [2018-11-10 11:48:50,262 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:48:50,262 INFO L168 Benchmark]: CACSL2BoogieTranslator took 256.66 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 940.5 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-11-10 11:48:50,262 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.78 ms. Allocated memory is still 1.0 GB. Free memory was 940.5 MB in the beginning and 987.5 MB in the end (delta: -47.0 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. [2018-11-10 11:48:50,262 INFO L168 Benchmark]: Boogie Preprocessor took 32.78 ms. Allocated memory is still 1.0 GB. Free memory is still 987.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:48:50,262 INFO L168 Benchmark]: RCFGBuilder took 539.96 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 17.8 MB). Free memory was 987.5 MB in the beginning and 968.6 MB in the end (delta: 18.9 MB). Peak memory consumption was 53.8 MB. Max. memory is 11.5 GB. [2018-11-10 11:48:50,263 INFO L168 Benchmark]: TraceAbstraction took 228.52 ms. Allocated memory is still 1.0 GB. Free memory was 968.6 MB in the beginning and 951.4 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2018-11-10 11:48:50,263 INFO L168 Benchmark]: Witness Printer took 50.05 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 946.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 11:48:50,265 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 256.66 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 940.5 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.78 ms. Allocated memory is still 1.0 GB. Free memory was 940.5 MB in the beginning and 987.5 MB in the end (delta: -47.0 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.78 ms. Allocated memory is still 1.0 GB. Free memory is still 987.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 539.96 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 17.8 MB). Free memory was 987.5 MB in the beginning and 968.6 MB in the end (delta: 18.9 MB). Peak memory consumption was 53.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 228.52 ms. Allocated memory is still 1.0 GB. Free memory was 968.6 MB in the beginning and 951.4 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. * Witness Printer took 50.05 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 946.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 671]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L676] int s ; [L677] int tmp ; [L681] s = 8464 VAL [s=8464] [L682] CALL ssl3_accept(s) VAL [\old(initial_state)=8464] [L12] int s__info_callback = __VERIFIER_nondet_int() ; [L13] int s__in_handshake = __VERIFIER_nondet_int() ; [L14] int s__state ; [L15] int s__new_session ; [L16] int s__server ; [L17] int s__version = __VERIFIER_nondet_int() ; [L18] int s__type ; [L19] int s__init_num ; [L20] int s__hit = __VERIFIER_nondet_int() ; [L21] int s__rwstate ; [L22] int s__init_buf___0 ; [L23] int s__debug = __VERIFIER_nondet_int() ; [L24] int s__shutdown ; [L25] int s__cert = __VERIFIER_nondet_int() ; [L26] int s__options = __VERIFIER_nondet_int() ; [L27] int s__verify_mode = __VERIFIER_nondet_int() ; [L28] int s__session__peer = __VERIFIER_nondet_int() ; [L29] int s__cert__pkeys__AT0__privatekey = __VERIFIER_nondet_int() ; [L30] int s__ctx__info_callback = __VERIFIER_nondet_int() ; [L31] int s__ctx__stats__sess_accept_renegotiate = __VERIFIER_nondet_int() ; [L32] int s__ctx__stats__sess_accept = __VERIFIER_nondet_int() ; [L33] int s__ctx__stats__sess_accept_good = __VERIFIER_nondet_int() ; [L34] int s__s3__tmp__cert_request ; [L35] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int() ; [L36] int s__s3__tmp__use_rsa_tmp ; [L37] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ; [L38] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int() ; [L39] int s__s3__tmp__next_state___0 ; [L40] int s__s3__tmp__new_cipher__algo_strength = __VERIFIER_nondet_int() ; [L41] int s__session__cipher ; [L42] int buf ; [L43] unsigned long l ; [L44] unsigned long Time ; [L45] unsigned long tmp ; [L46] int cb ; [L47] long num1 = __VERIFIER_nondet_long() ; [L48] int ret ; [L49] int new_state ; [L50] int state ; [L51] int skip ; [L52] int got_new_session ; [L53] int tmp___1 = __VERIFIER_nondet_int() ; [L54] int tmp___2 = __VERIFIER_nondet_int() ; [L55] int tmp___3 = __VERIFIER_nondet_int() ; [L56] int tmp___4 = __VERIFIER_nondet_int() ; [L57] int tmp___5 = __VERIFIER_nondet_int() ; [L58] int tmp___6 = __VERIFIER_nondet_int() ; [L59] int tmp___7 ; [L60] long tmp___8 = __VERIFIER_nondet_long() ; [L61] int tmp___9 = __VERIFIER_nondet_int() ; [L62] int tmp___10 = __VERIFIER_nondet_int() ; [L63] int blastFlag ; [L64] int __cil_tmp55 ; [L65] unsigned long __cil_tmp56 ; [L66] unsigned long __cil_tmp57 ; [L67] unsigned long __cil_tmp58 ; [L68] unsigned long __cil_tmp59 ; [L69] int __cil_tmp60 ; [L70] unsigned long __cil_tmp61 ; [L74] s__state = initial_state [L75] blastFlag = 0 [L76] tmp = __VERIFIER_nondet_int() [L77] Time = tmp [L78] cb = 0 [L79] ret = -1 [L80] skip = 0 [L81] got_new_session = 0 VAL [\old(initial_state)=8464, blastFlag=0, cb=0, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=0, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=1, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L82] COND FALSE !(s__info_callback != 0) VAL [\old(initial_state)=8464, blastFlag=0, cb=0, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=0, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=1, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L85] COND TRUE s__ctx__info_callback != 0 [L86] cb = s__ctx__info_callback VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=0, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=1, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L88] COND TRUE cb != 0 VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=0, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=1, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L671] __VERIFIER_error() VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=0, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=1, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 170 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=168occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...