./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/ssh/s3_srvr.blast.01_false-unreach-call.i.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_06b1f6fd-cb7f-43db-a38a-d93da4886d43/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_06b1f6fd-cb7f-43db-a38a-d93da4886d43/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_06b1f6fd-cb7f-43db-a38a-d93da4886d43/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_06b1f6fd-cb7f-43db-a38a-d93da4886d43/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ssh/s3_srvr.blast.01_false-unreach-call.i.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_06b1f6fd-cb7f-43db-a38a-d93da4886d43/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_06b1f6fd-cb7f-43db-a38a-d93da4886d43/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 9c69768cb083538b139479bdbb35676eb3378c1b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_06b1f6fd-cb7f-43db-a38a-d93da4886d43/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_06b1f6fd-cb7f-43db-a38a-d93da4886d43/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_06b1f6fd-cb7f-43db-a38a-d93da4886d43/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_06b1f6fd-cb7f-43db-a38a-d93da4886d43/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ssh/s3_srvr.blast.01_false-unreach-call.i.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_06b1f6fd-cb7f-43db-a38a-d93da4886d43/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_06b1f6fd-cb7f-43db-a38a-d93da4886d43/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 9c69768cb083538b139479bdbb35676eb3378c1b ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 [2018-10-26 20:20:28,359 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:20:28,360 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:20:28,369 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:20:28,369 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:20:28,370 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:20:28,371 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:20:28,372 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:20:28,373 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:20:28,374 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:20:28,374 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:20:28,375 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:20:28,376 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:20:28,376 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:20:28,377 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:20:28,378 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:20:28,378 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:20:28,380 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:20:28,382 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:20:28,383 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:20:28,384 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:20:28,385 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:20:28,386 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:20:28,386 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:20:28,386 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:20:28,388 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:20:28,388 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:20:28,389 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:20:28,389 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:20:28,390 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:20:28,390 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:20:28,391 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:20:28,391 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:20:28,392 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:20:28,392 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:20:28,393 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:20:28,393 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_06b1f6fd-cb7f-43db-a38a-d93da4886d43/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 20:20:28,403 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:20:28,403 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:20:28,404 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:20:28,404 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 20:20:28,404 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 20:20:28,404 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 20:20:28,405 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 20:20:28,405 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 20:20:28,405 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 20:20:28,405 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 20:20:28,405 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 20:20:28,405 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:20:28,406 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:20:28,406 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 20:20:28,406 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:20:28,406 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:20:28,406 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:20:28,406 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:20:28,406 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:20:28,408 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:20:28,408 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:20:28,408 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:20:28,409 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:20:28,409 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 20:20:28,409 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:20:28,409 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 20:20:28,409 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 20:20:28,409 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:20:28,409 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:20:28,409 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:20:28,410 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 20:20:28,410 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:20:28,410 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 20:20:28,410 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 20:20:28,410 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_06b1f6fd-cb7f-43db-a38a-d93da4886d43/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 -> 9c69768cb083538b139479bdbb35676eb3378c1b [2018-10-26 20:20:28,442 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:20:28,456 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:20:28,461 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:20:28,462 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:20:28,462 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:20:28,463 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_06b1f6fd-cb7f-43db-a38a-d93da4886d43/bin-2019/utaipan/../../sv-benchmarks/c/ssh/s3_srvr.blast.01_false-unreach-call.i.cil.c [2018-10-26 20:20:28,514 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_06b1f6fd-cb7f-43db-a38a-d93da4886d43/bin-2019/utaipan/data/a7b28144a/2b3e1b74a5634e3a805538c93b65a797/FLAG004af4dfb [2018-10-26 20:20:29,007 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:20:29,008 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_06b1f6fd-cb7f-43db-a38a-d93da4886d43/sv-benchmarks/c/ssh/s3_srvr.blast.01_false-unreach-call.i.cil.c [2018-10-26 20:20:29,027 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_06b1f6fd-cb7f-43db-a38a-d93da4886d43/bin-2019/utaipan/data/a7b28144a/2b3e1b74a5634e3a805538c93b65a797/FLAG004af4dfb [2018-10-26 20:20:29,039 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_06b1f6fd-cb7f-43db-a38a-d93da4886d43/bin-2019/utaipan/data/a7b28144a/2b3e1b74a5634e3a805538c93b65a797 [2018-10-26 20:20:29,041 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:20:29,041 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:20:29,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:20:29,042 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:20:29,045 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:20:29,046 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:20:29" (1/1) ... [2018-10-26 20:20:29,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f6d12c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:20:29, skipping insertion in model container [2018-10-26 20:20:29,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:20:29" (1/1) ... [2018-10-26 20:20:29,056 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:20:29,114 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:20:29,694 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:20:29,710 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:20:30,044 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:20:30,064 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:20:30,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:20:30 WrapperNode [2018-10-26 20:20:30,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:20:30,065 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:20:30,065 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:20:30,065 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:20:30,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:20:30" (1/1) ... [2018-10-26 20:20:30,226 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:20:30" (1/1) ... [2018-10-26 20:20:30,316 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:20:30,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:20:30,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:20:30,319 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:20:30,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:20:30" (1/1) ... [2018-10-26 20:20:30,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:20:30" (1/1) ... [2018-10-26 20:20:30,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:20:30" (1/1) ... [2018-10-26 20:20:30,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:20:30" (1/1) ... [2018-10-26 20:20:30,411 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:20:30" (1/1) ... [2018-10-26 20:20:30,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:20:30" (1/1) ... [2018-10-26 20:20:30,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:20:30" (1/1) ... [2018-10-26 20:20:30,436 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:20:30,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:20:30,437 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:20:30,437 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:20:30,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:20:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_06b1f6fd-cb7f-43db-a38a-d93da4886d43/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 [2018-10-26 20:20:30,521 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 20:20:30,521 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 20:20:30,521 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2018-10-26 20:20:30,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2018-10-26 20:20:30,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 20:20:30,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 20:20:30,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:20:30,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:20:31,149 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-26 20:20:31,150 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-26 20:20:32,735 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:20:32,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:20:32 BoogieIcfgContainer [2018-10-26 20:20:32,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:20:32,736 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 20:20:32,736 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 20:20:32,739 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 20:20:32,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 08:20:29" (1/3) ... [2018-10-26 20:20:32,740 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f50fd1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:20:32, skipping insertion in model container [2018-10-26 20:20:32,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:20:30" (2/3) ... [2018-10-26 20:20:32,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f50fd1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:20:32, skipping insertion in model container [2018-10-26 20:20:32,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:20:32" (3/3) ... [2018-10-26 20:20:32,742 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.01_false-unreach-call.i.cil.c [2018-10-26 20:20:32,750 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 20:20:32,756 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 20:20:32,766 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 20:20:32,796 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 20:20:32,796 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 20:20:32,796 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 20:20:32,796 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 20:20:32,796 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 20:20:32,797 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 20:20:32,797 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 20:20:32,797 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 20:20:32,816 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states. [2018-10-26 20:20:32,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 20:20:32,825 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:20:32,826 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:20:32,830 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:20:32,835 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:20:32,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1678550896, now seen corresponding path program 1 times [2018-10-26 20:20:32,838 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:20:32,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:20:32,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:20:32,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:20:32,889 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:20:33,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:20:33,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:20:33,208 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:20:33,208 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 20:20:33,208 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:20:33,213 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 20:20:33,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 20:20:33,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 20:20:33,228 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 3 states. [2018-10-26 20:20:33,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:20:33,512 INFO L93 Difference]: Finished difference Result 429 states and 715 transitions. [2018-10-26 20:20:33,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 20:20:33,514 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-10-26 20:20:33,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:20:33,526 INFO L225 Difference]: With dead ends: 429 [2018-10-26 20:20:33,526 INFO L226 Difference]: Without dead ends: 261 [2018-10-26 20:20:33,530 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 20:20:33,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2018-10-26 20:20:33,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2018-10-26 20:20:33,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2018-10-26 20:20:33,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 389 transitions. [2018-10-26 20:20:33,588 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 389 transitions. Word has length 52 [2018-10-26 20:20:33,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:20:33,588 INFO L481 AbstractCegarLoop]: Abstraction has 261 states and 389 transitions. [2018-10-26 20:20:33,588 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 20:20:33,589 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 389 transitions. [2018-10-26 20:20:33,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-26 20:20:33,596 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:20:33,597 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:20:33,597 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:20:33,597 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:20:33,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1533757696, now seen corresponding path program 1 times [2018-10-26 20:20:33,598 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:20:33,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:20:33,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:20:33,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:20:33,600 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:20:33,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:20:33,903 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:20:33,904 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:20:33,904 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 20:20:33,904 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:20:33,908 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 20:20:33,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 20:20:33,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 20:20:33,914 INFO L87 Difference]: Start difference. First operand 261 states and 389 transitions. Second operand 4 states. [2018-10-26 20:20:34,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:20:34,619 INFO L93 Difference]: Finished difference Result 430 states and 646 transitions. [2018-10-26 20:20:34,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 20:20:34,621 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 70 [2018-10-26 20:20:34,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:20:34,623 INFO L225 Difference]: With dead ends: 430 [2018-10-26 20:20:34,623 INFO L226 Difference]: Without dead ends: 305 [2018-10-26 20:20:34,624 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 20:20:34,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2018-10-26 20:20:34,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 284. [2018-10-26 20:20:34,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2018-10-26 20:20:34,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 428 transitions. [2018-10-26 20:20:34,645 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 428 transitions. Word has length 70 [2018-10-26 20:20:34,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:20:34,646 INFO L481 AbstractCegarLoop]: Abstraction has 284 states and 428 transitions. [2018-10-26 20:20:34,646 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 20:20:34,646 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 428 transitions. [2018-10-26 20:20:34,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-26 20:20:34,650 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:20:34,650 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:20:34,650 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:20:34,650 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:20:34,651 INFO L82 PathProgramCache]: Analyzing trace with hash 144238891, now seen corresponding path program 1 times [2018-10-26 20:20:34,651 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:20:34,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:20:34,653 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:20:34,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:20:34,653 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:20:34,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:20:34,931 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 20:20:34,931 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:20:34,932 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 20:20:34,932 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:20:34,932 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 20:20:34,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 20:20:34,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 20:20:34,933 INFO L87 Difference]: Start difference. First operand 284 states and 428 transitions. Second operand 3 states. [2018-10-26 20:20:35,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:20:35,122 INFO L93 Difference]: Finished difference Result 575 states and 881 transitions. [2018-10-26 20:20:35,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 20:20:35,127 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2018-10-26 20:20:35,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:20:35,129 INFO L225 Difference]: With dead ends: 575 [2018-10-26 20:20:35,129 INFO L226 Difference]: Without dead ends: 427 [2018-10-26 20:20:35,130 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 20:20:35,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2018-10-26 20:20:35,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 427. [2018-10-26 20:20:35,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2018-10-26 20:20:35,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 646 transitions. [2018-10-26 20:20:35,169 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 646 transitions. Word has length 84 [2018-10-26 20:20:35,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:20:35,169 INFO L481 AbstractCegarLoop]: Abstraction has 427 states and 646 transitions. [2018-10-26 20:20:35,169 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 20:20:35,169 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 646 transitions. [2018-10-26 20:20:35,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-26 20:20:35,180 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:20:35,181 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:20:35,181 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:20:35,181 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:20:35,181 INFO L82 PathProgramCache]: Analyzing trace with hash -1274583719, now seen corresponding path program 1 times [2018-10-26 20:20:35,181 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:20:35,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:20:35,182 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:20:35,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:20:35,183 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:20:35,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:20:35,314 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 20:20:35,315 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:20:35,315 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 20:20:35,315 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:20:35,315 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 20:20:35,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 20:20:35,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 20:20:35,316 INFO L87 Difference]: Start difference. First operand 427 states and 646 transitions. Second operand 3 states. [2018-10-26 20:20:35,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:20:35,397 INFO L93 Difference]: Finished difference Result 864 states and 1321 transitions. [2018-10-26 20:20:35,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 20:20:35,399 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2018-10-26 20:20:35,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:20:35,401 INFO L225 Difference]: With dead ends: 864 [2018-10-26 20:20:35,401 INFO L226 Difference]: Without dead ends: 573 [2018-10-26 20:20:35,403 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 20:20:35,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2018-10-26 20:20:35,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 573. [2018-10-26 20:20:35,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 573 states. [2018-10-26 20:20:35,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 871 transitions. [2018-10-26 20:20:35,422 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 871 transitions. Word has length 93 [2018-10-26 20:20:35,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:20:35,424 INFO L481 AbstractCegarLoop]: Abstraction has 573 states and 871 transitions. [2018-10-26 20:20:35,424 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 20:20:35,424 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 871 transitions. [2018-10-26 20:20:35,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-26 20:20:35,426 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:20:35,426 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:20:35,427 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:20:35,427 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:20:35,427 INFO L82 PathProgramCache]: Analyzing trace with hash 1716561609, now seen corresponding path program 1 times [2018-10-26 20:20:35,427 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:20:35,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:20:35,428 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:20:35,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:20:35,428 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:20:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:20:35,719 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-26 20:20:35,719 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:20:35,719 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 20:20:35,719 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:20:35,720 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 20:20:35,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 20:20:35,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 20:20:35,720 INFO L87 Difference]: Start difference. First operand 573 states and 871 transitions. Second operand 4 states. [2018-10-26 20:20:36,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:20:36,050 INFO L93 Difference]: Finished difference Result 1285 states and 1954 transitions. [2018-10-26 20:20:36,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 20:20:36,050 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 135 [2018-10-26 20:20:36,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:20:36,053 INFO L225 Difference]: With dead ends: 1285 [2018-10-26 20:20:36,053 INFO L226 Difference]: Without dead ends: 726 [2018-10-26 20:20:36,055 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 20:20:36,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2018-10-26 20:20:36,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 651. [2018-10-26 20:20:36,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 651 states. [2018-10-26 20:20:36,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 1003 transitions. [2018-10-26 20:20:36,075 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 1003 transitions. Word has length 135 [2018-10-26 20:20:36,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:20:36,075 INFO L481 AbstractCegarLoop]: Abstraction has 651 states and 1003 transitions. [2018-10-26 20:20:36,075 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 20:20:36,076 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 1003 transitions. [2018-10-26 20:20:36,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-26 20:20:36,077 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:20:36,078 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:20:36,078 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:20:36,078 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:20:36,078 INFO L82 PathProgramCache]: Analyzing trace with hash -619830901, now seen corresponding path program 1 times [2018-10-26 20:20:36,078 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:20:36,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:20:36,081 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:20:36,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:20:36,082 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:20:36,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:20:36,250 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-10-26 20:20:36,251 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:20:36,251 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 20:20:36,251 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:20:36,251 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 20:20:36,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 20:20:36,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 20:20:36,252 INFO L87 Difference]: Start difference. First operand 651 states and 1003 transitions. Second operand 3 states. [2018-10-26 20:20:36,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:20:36,507 INFO L93 Difference]: Finished difference Result 1140 states and 1763 transitions. [2018-10-26 20:20:36,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 20:20:36,508 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2018-10-26 20:20:36,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:20:36,510 INFO L225 Difference]: With dead ends: 1140 [2018-10-26 20:20:36,510 INFO L226 Difference]: Without dead ends: 651 [2018-10-26 20:20:36,511 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 20:20:36,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2018-10-26 20:20:36,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 651. [2018-10-26 20:20:36,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 651 states. [2018-10-26 20:20:36,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 998 transitions. [2018-10-26 20:20:36,528 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 998 transitions. Word has length 135 [2018-10-26 20:20:36,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:20:36,529 INFO L481 AbstractCegarLoop]: Abstraction has 651 states and 998 transitions. [2018-10-26 20:20:36,529 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 20:20:36,529 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 998 transitions. [2018-10-26 20:20:36,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-26 20:20:36,530 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:20:36,532 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:20:36,532 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:20:36,532 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:20:36,532 INFO L82 PathProgramCache]: Analyzing trace with hash -2034888794, now seen corresponding path program 1 times [2018-10-26 20:20:36,533 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:20:36,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:20:36,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:20:36,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:20:36,534 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:20:36,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:20:36,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:20:36,806 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 20:20:36,824 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:20:36,825 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:20:36,825 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:20:36,826 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:20:36,826 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:20:36,826 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:20:36,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 08:20:36 BoogieIcfgContainer [2018-10-26 20:20:36,883 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 20:20:36,883 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:20:36,883 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:20:36,884 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:20:36,884 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:20:32" (3/4) ... [2018-10-26 20:20:36,888 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 20:20:36,888 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:20:36,889 INFO L168 Benchmark]: Toolchain (without parser) took 7848.03 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 271.1 MB). Free memory was 955.8 MB in the beginning and 948.6 MB in the end (delta: 7.2 MB). Peak memory consumption was 278.3 MB. Max. memory is 11.5 GB. [2018-10-26 20:20:36,890 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:20:36,891 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1022.60 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 793.4 MB in the end (delta: 162.4 MB). Peak memory consumption was 162.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:20:36,892 INFO L168 Benchmark]: Boogie Procedure Inliner took 253.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 213.4 MB). Free memory was 793.4 MB in the beginning and 1.2 GB in the end (delta: -412.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:20:36,893 INFO L168 Benchmark]: Boogie Preprocessor took 117.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:20:36,893 INFO L168 Benchmark]: RCFGBuilder took 2298.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 163.0 MB). Peak memory consumption was 163.0 MB. Max. memory is 11.5 GB. [2018-10-26 20:20:36,893 INFO L168 Benchmark]: TraceAbstraction took 4147.08 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 57.7 MB). Free memory was 1.0 GB in the beginning and 948.6 MB in the end (delta: 82.2 MB). Peak memory consumption was 139.9 MB. Max. memory is 11.5 GB. [2018-10-26 20:20:36,894 INFO L168 Benchmark]: Witness Printer took 5.05 ms. Allocated memory is still 1.3 GB. Free memory is still 948.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:20:36,896 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1022.60 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 793.4 MB in the end (delta: 162.4 MB). Peak memory consumption was 162.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 253.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 213.4 MB). Free memory was 793.4 MB in the beginning and 1.2 GB in the end (delta: -412.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 117.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2298.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 163.0 MB). Peak memory consumption was 163.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4147.08 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 57.7 MB). Free memory was 1.0 GB in the beginning and 948.6 MB in the end (delta: 82.2 MB). Peak memory consumption was 139.9 MB. Max. memory is 11.5 GB. * Witness Printer took 5.05 ms. Allocated memory is still 1.3 GB. Free memory is still 948.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1706]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseAnd at line 1120. Possible FailurePath: [L1042] static int init = 1; [L1043] CALL static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1065] SSL *s ; [L1066] int tmp ; [L1070] EXPR, FCALL malloc(sizeof(SSL)) [L1070] s = malloc(sizeof(SSL)) [L1071] EXPR, FCALL malloc(sizeof(struct ssl3_state_st)) [L1071] CALL s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1071] RET s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1072] EXPR, FCALL malloc(sizeof(SSL_CTX)) [L1072] CALL s->ctx = malloc(sizeof(SSL_CTX)) [L1072] RET s->ctx = malloc(sizeof(SSL_CTX)) [L1073] EXPR, FCALL malloc(sizeof(SSL_SESSION)) [L1073] CALL s->session = malloc(sizeof(SSL_SESSION)) [L1073] RET s->session = malloc(sizeof(SSL_SESSION)) [L1074] CALL s->state = 8464 [L1074] RET s->state = 8464 [L1075] CALL ssl3_accept(s) VAL [init=1, SSLv3_server_data={24585:0}] [L1081] BUF_MEM *buf = __VERIFIER_nondet_pointer() ; [L1082] unsigned long l ; [L1083] unsigned long Time ; [L1084] unsigned long tmp = __VERIFIER_nondet_long() ; [L1085] void (*cb)() ; [L1086] long num1 ; [L1087] int ret ; [L1088] int new_state ; [L1089] int state ; [L1090] int skip ; [L1091] int got_new_session ; [L1092] int tmp___1 = __VERIFIER_nondet_int() ; [L1093] int tmp___2 = __VERIFIER_nondet_int() ; [L1094] int tmp___3 ; [L1095] int tmp___4 ; [L1096] int tmp___5 ; [L1097] int tmp___6 ; [L1098] int tmp___7 ; [L1099] long tmp___8 = __VERIFIER_nondet_long() ; [L1100] int tmp___9 ; [L1101] int tmp___10 ; [L1102] int blastFlag ; [L1106] blastFlag = 0 [L1107] CALL s->hit=__VERIFIER_nondet_int () [L1107] RET s->hit=__VERIFIER_nondet_int () [L1108] CALL s->state = 8464 [L1108] RET s->state = 8464 [L1109] Time = tmp [L1110] cb = (void (*)())((void *)0) [L1111] ret = -1 [L1112] skip = 0 [L1113] got_new_session = 0 [L1114] CALL, EXPR s->info_callback [L1114] RET, EXPR s->info_callback [L1114] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1115] CALL, EXPR s->info_callback [L1115] RET, EXPR s->info_callback [L1115] cb = s->info_callback [L1119] CALL, EXPR s->in_handshake [L1119] RET, EXPR s->in_handshake [L1119] CALL s->in_handshake += 1 [L1119] RET s->in_handshake += 1 [L1120] COND FALSE !(tmp___1 & 12288) VAL [init=1, SSLv3_server_data={24585:0}] [L1129] CALL, EXPR s->cert [L1129] RET, EXPR s->cert [L1129] COND FALSE !((unsigned long )s->cert == (unsigned long )((void *)0)) [L1135] COND TRUE 1 VAL [init=1, SSLv3_server_data={24585:0}] [L1137] CALL, EXPR s->state [L1137] RET, EXPR s->state [L1137] state = s->state [L1138] CALL, EXPR s->state [L1138] RET, EXPR s->state [L1138] COND FALSE !(s->state == 12292) [L1141] CALL, EXPR s->state [L1141] RET, EXPR s->state [L1141] COND FALSE !(s->state == 16384) [L1144] CALL, EXPR s->state [L1144] RET, EXPR s->state [L1144] COND FALSE !(s->state == 8192) [L1147] CALL, EXPR s->state [L1147] RET, EXPR s->state [L1147] COND FALSE !(s->state == 24576) [L1150] CALL, EXPR s->state [L1150] RET, EXPR s->state [L1150] COND FALSE !(s->state == 8195) [L1153] CALL, EXPR s->state [L1153] RET, EXPR s->state [L1153] COND FALSE !(s->state == 8480) [L1156] CALL, EXPR s->state [L1156] RET, EXPR s->state [L1156] COND FALSE !(s->state == 8481) [L1159] CALL, EXPR s->state [L1159] RET, EXPR s->state [L1159] COND FALSE !(s->state == 8482) [L1162] CALL, EXPR s->state [L1162] RET, EXPR s->state [L1162] COND TRUE s->state == 8464 [L1318] CALL s->shutdown = 0 [L1318] RET s->shutdown = 0 [L1319] ret = __VERIFIER_nondet_int() [L1320] COND TRUE blastFlag == 0 [L1321] blastFlag = 1 VAL [init=1, SSLv3_server_data={24585:0}] [L1325] COND FALSE !(ret <= 0) [L1330] got_new_session = 1 [L1331] CALL s->state = 8496 [L1331] RET s->state = 8496 [L1332] CALL s->init_num = 0 [L1332] RET s->init_num = 0 [L1665] CALL, EXPR s->s3 [L1665] RET, EXPR s->s3 [L1665] CALL, EXPR (s->s3)->tmp.reuse_message [L1665] RET, EXPR (s->s3)->tmp.reuse_message [L1665] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1694] skip = 0 VAL [init=1, SSLv3_server_data={24585:0}] [L1135] COND TRUE 1 VAL [init=1, SSLv3_server_data={24585:0}] [L1137] CALL, EXPR s->state [L1137] RET, EXPR s->state [L1137] state = s->state [L1138] CALL, EXPR s->state [L1138] RET, EXPR s->state [L1138] COND FALSE !(s->state == 12292) [L1141] CALL, EXPR s->state [L1141] RET, EXPR s->state [L1141] COND FALSE !(s->state == 16384) [L1144] CALL, EXPR s->state [L1144] RET, EXPR s->state [L1144] COND FALSE !(s->state == 8192) [L1147] CALL, EXPR s->state [L1147] RET, EXPR s->state [L1147] COND FALSE !(s->state == 24576) [L1150] CALL, EXPR s->state [L1150] RET, EXPR s->state [L1150] COND FALSE !(s->state == 8195) [L1153] CALL, EXPR s->state [L1153] RET, EXPR s->state [L1153] COND FALSE !(s->state == 8480) [L1156] CALL, EXPR s->state [L1156] RET, EXPR s->state [L1156] COND FALSE !(s->state == 8481) [L1159] CALL, EXPR s->state [L1159] RET, EXPR s->state [L1159] COND FALSE !(s->state == 8482) [L1162] CALL, EXPR s->state [L1162] RET, EXPR s->state [L1162] COND FALSE !(s->state == 8464) [L1165] CALL, EXPR s->state [L1165] RET, EXPR s->state [L1165] COND FALSE !(s->state == 8465) [L1168] CALL, EXPR s->state [L1168] RET, EXPR s->state [L1168] COND FALSE !(s->state == 8466) [L1171] CALL, EXPR s->state [L1171] RET, EXPR s->state [L1171] COND TRUE s->state == 8496 [L1336] ret = __VERIFIER_nondet_int() [L1337] COND TRUE blastFlag == 1 [L1338] blastFlag = 2 VAL [init=1, SSLv3_server_data={24585:0}] [L1342] COND FALSE !(ret <= 0) [L1347] CALL s->hit [L1347] RET s->hit [L1347] COND TRUE s->hit [L1348] CALL s->state = 8656 [L1348] RET s->state = 8656 [L1352] CALL s->init_num = 0 [L1352] RET s->init_num = 0 [L1665] CALL, EXPR s->s3 [L1665] RET, EXPR s->s3 [L1665] CALL, EXPR (s->s3)->tmp.reuse_message [L1665] RET, EXPR (s->s3)->tmp.reuse_message [L1665] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1694] skip = 0 VAL [init=1, SSLv3_server_data={24585:0}] [L1135] COND TRUE 1 VAL [init=1, SSLv3_server_data={24585:0}] [L1137] CALL, EXPR s->state [L1137] RET, EXPR s->state [L1137] state = s->state [L1138] CALL, EXPR s->state [L1138] RET, EXPR s->state [L1138] COND FALSE !(s->state == 12292) [L1141] CALL, EXPR s->state [L1141] RET, EXPR s->state [L1141] COND FALSE !(s->state == 16384) [L1144] CALL, EXPR s->state [L1144] RET, EXPR s->state [L1144] COND FALSE !(s->state == 8192) [L1147] CALL, EXPR s->state [L1147] RET, EXPR s->state [L1147] COND FALSE !(s->state == 24576) [L1150] CALL, EXPR s->state [L1150] RET, EXPR s->state [L1150] COND FALSE !(s->state == 8195) [L1153] CALL, EXPR s->state [L1153] RET, EXPR s->state [L1153] COND FALSE !(s->state == 8480) [L1156] CALL, EXPR s->state [L1156] RET, EXPR s->state [L1156] COND FALSE !(s->state == 8481) [L1159] CALL, EXPR s->state [L1159] RET, EXPR s->state [L1159] COND FALSE !(s->state == 8482) [L1162] CALL, EXPR s->state [L1162] RET, EXPR s->state [L1162] COND FALSE !(s->state == 8464) [L1165] CALL, EXPR s->state [L1165] RET, EXPR s->state [L1165] COND FALSE !(s->state == 8465) [L1168] CALL, EXPR s->state [L1168] RET, EXPR s->state [L1168] COND FALSE !(s->state == 8466) [L1171] CALL, EXPR s->state [L1171] RET, EXPR s->state [L1171] COND FALSE !(s->state == 8496) [L1174] CALL, EXPR s->state [L1174] RET, EXPR s->state [L1174] COND FALSE !(s->state == 8497) [L1177] CALL, EXPR s->state [L1177] RET, EXPR s->state [L1177] COND FALSE !(s->state == 8512) [L1180] CALL, EXPR s->state [L1180] RET, EXPR s->state [L1180] COND FALSE !(s->state == 8513) [L1183] CALL, EXPR s->state [L1183] RET, EXPR s->state [L1183] COND FALSE !(s->state == 8528) [L1186] CALL, EXPR s->state [L1186] RET, EXPR s->state [L1186] COND FALSE !(s->state == 8529) [L1189] CALL, EXPR s->state [L1189] RET, EXPR s->state [L1189] COND FALSE !(s->state == 8544) [L1192] CALL, EXPR s->state [L1192] RET, EXPR s->state [L1192] COND FALSE !(s->state == 8545) [L1195] CALL, EXPR s->state [L1195] RET, EXPR s->state [L1195] COND FALSE !(s->state == 8560) [L1198] CALL, EXPR s->state [L1198] RET, EXPR s->state [L1198] COND FALSE !(s->state == 8561) [L1201] CALL, EXPR s->state [L1201] RET, EXPR s->state [L1201] COND FALSE !(s->state == 8448) [L1204] CALL, EXPR s->state [L1204] RET, EXPR s->state [L1204] COND FALSE !(s->state == 8576) [L1207] CALL, EXPR s->state [L1207] RET, EXPR s->state [L1207] COND FALSE !(s->state == 8577) [L1210] CALL, EXPR s->state [L1210] RET, EXPR s->state [L1210] COND FALSE !(s->state == 8592) [L1213] CALL, EXPR s->state [L1213] RET, EXPR s->state [L1213] COND FALSE !(s->state == 8593) [L1216] CALL, EXPR s->state [L1216] RET, EXPR s->state [L1216] COND FALSE !(s->state == 8608) [L1219] CALL, EXPR s->state [L1219] RET, EXPR s->state [L1219] COND FALSE !(s->state == 8609) [L1222] CALL, EXPR s->state [L1222] RET, EXPR s->state [L1222] COND FALSE !(s->state == 8640) [L1225] CALL, EXPR s->state [L1225] RET, EXPR s->state [L1225] COND FALSE !(s->state == 8641) [L1228] CALL, EXPR s->state [L1228] RET, EXPR s->state [L1228] COND TRUE s->state == 8656 [L1552] CALL, EXPR s->session [L1552] RET, EXPR s->session [L1552] CALL, EXPR s->s3 [L1552] RET, EXPR s->s3 [L1552] CALL, EXPR (s->s3)->tmp.new_cipher [L1552] RET, EXPR (s->s3)->tmp.new_cipher [L1552] CALL (s->session)->cipher = (s->s3)->tmp.new_cipher [L1552] RET (s->session)->cipher = (s->s3)->tmp.new_cipher [L1553] tmp___9 = __VERIFIER_nondet_int() [L1554] COND FALSE !(! tmp___9) [L1560] ret = __VERIFIER_nondet_int() [L1561] COND TRUE blastFlag == 2 [L1562] blastFlag = 5 VAL [init=1, SSLv3_server_data={24585:0}] [L1566] COND FALSE !(ret <= 0) [L1571] CALL s->state = 8672 [L1571] RET s->state = 8672 [L1572] CALL s->init_num = 0 [L1572] RET s->init_num = 0 [L1573] tmp___10 = __VERIFIER_nondet_int() [L1574] COND FALSE !(! tmp___10) VAL [init=1, SSLv3_server_data={24585:0}] [L1665] CALL, EXPR s->s3 [L1665] RET, EXPR s->s3 [L1665] CALL, EXPR (s->s3)->tmp.reuse_message [L1665] RET, EXPR (s->s3)->tmp.reuse_message [L1665] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1694] skip = 0 VAL [init=1, SSLv3_server_data={24585:0}] [L1135] COND TRUE 1 VAL [init=1, SSLv3_server_data={24585:0}] [L1137] CALL, EXPR s->state [L1137] RET, EXPR s->state [L1137] state = s->state [L1138] CALL, EXPR s->state [L1138] RET, EXPR s->state [L1138] COND FALSE !(s->state == 12292) [L1141] CALL, EXPR s->state [L1141] RET, EXPR s->state [L1141] COND FALSE !(s->state == 16384) [L1144] CALL, EXPR s->state [L1144] RET, EXPR s->state [L1144] COND FALSE !(s->state == 8192) [L1147] CALL, EXPR s->state [L1147] RET, EXPR s->state [L1147] COND FALSE !(s->state == 24576) [L1150] CALL, EXPR s->state [L1150] RET, EXPR s->state [L1150] COND FALSE !(s->state == 8195) [L1153] CALL, EXPR s->state [L1153] RET, EXPR s->state [L1153] COND FALSE !(s->state == 8480) [L1156] CALL, EXPR s->state [L1156] RET, EXPR s->state [L1156] COND FALSE !(s->state == 8481) [L1159] CALL, EXPR s->state [L1159] RET, EXPR s->state [L1159] COND FALSE !(s->state == 8482) [L1162] CALL, EXPR s->state [L1162] RET, EXPR s->state [L1162] COND FALSE !(s->state == 8464) [L1165] CALL, EXPR s->state [L1165] RET, EXPR s->state [L1165] COND FALSE !(s->state == 8465) [L1168] CALL, EXPR s->state [L1168] RET, EXPR s->state [L1168] COND FALSE !(s->state == 8466) [L1171] CALL, EXPR s->state [L1171] RET, EXPR s->state [L1171] COND FALSE !(s->state == 8496) [L1174] CALL, EXPR s->state [L1174] RET, EXPR s->state [L1174] COND FALSE !(s->state == 8497) [L1177] CALL, EXPR s->state [L1177] RET, EXPR s->state [L1177] COND FALSE !(s->state == 8512) [L1180] CALL, EXPR s->state [L1180] RET, EXPR s->state [L1180] COND FALSE !(s->state == 8513) [L1183] CALL, EXPR s->state [L1183] RET, EXPR s->state [L1183] COND FALSE !(s->state == 8528) [L1186] CALL, EXPR s->state [L1186] RET, EXPR s->state [L1186] COND FALSE !(s->state == 8529) [L1189] CALL, EXPR s->state [L1189] RET, EXPR s->state [L1189] COND FALSE !(s->state == 8544) [L1192] CALL, EXPR s->state [L1192] RET, EXPR s->state [L1192] COND FALSE !(s->state == 8545) [L1195] CALL, EXPR s->state [L1195] RET, EXPR s->state [L1195] COND FALSE !(s->state == 8560) [L1198] CALL, EXPR s->state [L1198] RET, EXPR s->state [L1198] COND FALSE !(s->state == 8561) [L1201] CALL, EXPR s->state [L1201] RET, EXPR s->state [L1201] COND FALSE !(s->state == 8448) [L1204] CALL, EXPR s->state [L1204] RET, EXPR s->state [L1204] COND FALSE !(s->state == 8576) [L1207] CALL, EXPR s->state [L1207] RET, EXPR s->state [L1207] COND FALSE !(s->state == 8577) [L1210] CALL, EXPR s->state [L1210] RET, EXPR s->state [L1210] COND FALSE !(s->state == 8592) [L1213] CALL, EXPR s->state [L1213] RET, EXPR s->state [L1213] COND FALSE !(s->state == 8593) [L1216] CALL, EXPR s->state [L1216] RET, EXPR s->state [L1216] COND FALSE !(s->state == 8608) [L1219] CALL, EXPR s->state [L1219] RET, EXPR s->state [L1219] COND FALSE !(s->state == 8609) [L1222] CALL, EXPR s->state [L1222] RET, EXPR s->state [L1222] COND FALSE !(s->state == 8640) [L1225] CALL, EXPR s->state [L1225] RET, EXPR s->state [L1225] COND FALSE !(s->state == 8641) [L1228] CALL, EXPR s->state [L1228] RET, EXPR s->state [L1228] COND FALSE !(s->state == 8656) [L1231] CALL, EXPR s->state [L1231] RET, EXPR s->state [L1231] COND FALSE !(s->state == 8657) [L1234] CALL, EXPR s->state [L1234] RET, EXPR s->state [L1234] COND TRUE s->state == 8672 [L1583] ret = __VERIFIER_nondet_int() [L1584] COND FALSE !(blastFlag == 4) VAL [init=1, SSLv3_server_data={24585:0}] [L1587] COND TRUE blastFlag == 5 VAL [init=1, SSLv3_server_data={24585:0}] [L1706] __VERIFIER_error() VAL [init=1, SSLv3_server_data={24585:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 157 locations, 1 error locations. UNSAFE Result, 4.0s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 1.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1682 SDtfs, 687 SDslu, 1086 SDs, 0 SdLazy, 409 SolverSat, 35 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=651occurred in iteration=5, 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: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 96 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 705 NumberOfCodeBlocks, 705 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 563 ConstructedInterpolants, 0 QuantifiedInterpolants, 126407 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 305/305 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-26 20:20:38,765 INFO L170 SettingsManager]: Resetting all preferences to default values... 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[2018-10-26 20:20:38,794 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:20:38,794 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:20:38,796 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:20:38,796 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:20:38,797 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:20:38,798 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:20:38,799 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:20:38,799 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:20:38,800 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:20:38,800 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:20:38,800 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:20:38,801 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:20:38,802 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:20:38,802 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_06b1f6fd-cb7f-43db-a38a-d93da4886d43/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-26 20:20:38,814 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:20:38,814 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:20:38,815 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:20:38,815 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 20:20:38,815 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 20:20:38,815 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 20:20:38,815 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 20:20:38,816 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 20:20:38,816 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:20:38,816 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:20:38,816 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:20:38,817 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:20:38,817 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:20:38,817 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:20:38,817 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:20:38,817 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 20:20:38,817 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 20:20:38,817 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:20:38,817 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:20:38,818 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:20:38,818 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:20:38,818 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 20:20:38,818 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:20:38,818 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 20:20:38,818 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 20:20:38,820 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:20:38,821 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:20:38,821 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:20:38,821 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 20:20:38,821 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:20:38,821 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 20:20:38,821 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 20:20:38,821 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_06b1f6fd-cb7f-43db-a38a-d93da4886d43/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 -> 9c69768cb083538b139479bdbb35676eb3378c1b [2018-10-26 20:20:38,869 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:20:38,878 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:20:38,880 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:20:38,882 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:20:38,882 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:20:38,882 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_06b1f6fd-cb7f-43db-a38a-d93da4886d43/bin-2019/utaipan/../../sv-benchmarks/c/ssh/s3_srvr.blast.01_false-unreach-call.i.cil.c [2018-10-26 20:20:38,931 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_06b1f6fd-cb7f-43db-a38a-d93da4886d43/bin-2019/utaipan/data/6f57dd3f4/94ce5900341a4af28b0c720930fbedd1/FLAGaeb289ddc [2018-10-26 20:20:39,376 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:20:39,377 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_06b1f6fd-cb7f-43db-a38a-d93da4886d43/sv-benchmarks/c/ssh/s3_srvr.blast.01_false-unreach-call.i.cil.c [2018-10-26 20:20:39,391 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_06b1f6fd-cb7f-43db-a38a-d93da4886d43/bin-2019/utaipan/data/6f57dd3f4/94ce5900341a4af28b0c720930fbedd1/FLAGaeb289ddc [2018-10-26 20:20:39,411 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_06b1f6fd-cb7f-43db-a38a-d93da4886d43/bin-2019/utaipan/data/6f57dd3f4/94ce5900341a4af28b0c720930fbedd1 [2018-10-26 20:20:39,417 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:20:39,419 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:20:39,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:20:39,424 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:20:39,427 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:20:39,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:20:39" (1/1) ... [2018-10-26 20:20:39,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27618903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:20:39, skipping insertion in model container [2018-10-26 20:20:39,431 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:20:39" (1/1) ... [2018-10-26 20:20:39,439 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:20:39,512 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:20:40,168 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:20:40,182 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:20:40,598 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:20:40,617 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:20:40,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:20:40 WrapperNode [2018-10-26 20:20:40,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:20:40,619 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:20:40,619 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:20:40,619 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:20:40,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:20:40" (1/1) ... [2018-10-26 20:20:40,750 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:20:40" (1/1) ... [2018-10-26 20:20:40,834 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:20:40,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:20:40,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:20:40,837 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:20:40,845 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:20:40" (1/1) ... [2018-10-26 20:20:40,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:20:40" (1/1) ... [2018-10-26 20:20:40,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:20:40" (1/1) ... [2018-10-26 20:20:40,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:20:40" (1/1) ... [2018-10-26 20:20:40,925 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:20:40" (1/1) ... [2018-10-26 20:20:40,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:20:40" (1/1) ... [2018-10-26 20:20:40,955 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:20:40" (1/1) ... [2018-10-26 20:20:40,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:20:40,966 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:20:40,971 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:20:40,971 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:20:40,971 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:20:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_06b1f6fd-cb7f-43db-a38a-d93da4886d43/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 [2018-10-26 20:20:41,012 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 20:20:41,012 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 20:20:41,012 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2018-10-26 20:20:41,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2018-10-26 20:20:41,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 20:20:41,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 20:20:41,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:20:41,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:20:43,637 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-26 20:20:43,638 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-26 20:20:45,531 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:20:45,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:20:45 BoogieIcfgContainer [2018-10-26 20:20:45,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:20:45,533 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 20:20:45,533 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 20:20:45,536 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 20:20:45,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 08:20:39" (1/3) ... [2018-10-26 20:20:45,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45643496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:20:45, skipping insertion in model container [2018-10-26 20:20:45,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:20:40" (2/3) ... [2018-10-26 20:20:45,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45643496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:20:45, skipping insertion in model container [2018-10-26 20:20:45,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:20:45" (3/3) ... [2018-10-26 20:20:45,540 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.01_false-unreach-call.i.cil.c [2018-10-26 20:20:45,548 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 20:20:45,556 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 20:20:45,568 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 20:20:45,593 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 20:20:45,594 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 20:20:45,594 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 20:20:45,594 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 20:20:45,595 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 20:20:45,595 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 20:20:45,595 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 20:20:45,595 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 20:20:45,595 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 20:20:45,611 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states. [2018-10-26 20:20:45,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 20:20:45,619 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:20:45,620 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:20:45,622 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:20:45,627 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:20:45,628 INFO L82 PathProgramCache]: Analyzing trace with hash -1678550896, now seen corresponding path program 1 times [2018-10-26 20:20:45,634 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-26 20:20:45,634 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_06b1f6fd-cb7f-43db-a38a-d93da4886d43/bin-2019/utaipan/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-26 20:20:45,653 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:20:45,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:20:45,812 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:20:45,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:20:45,911 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (2)] Exception during sending of exit command (exit): Broken pipe [2018-10-26 20:20:45,922 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:20:45,923 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 20:20:45,925 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 20:20:45,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 20:20:45,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 20:20:45,938 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 3 states. [2018-10-26 20:20:46,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:20:46,296 INFO L93 Difference]: Finished difference Result 429 states and 715 transitions. [2018-10-26 20:20:46,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 20:20:46,298 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-10-26 20:20:46,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:20:46,310 INFO L225 Difference]: With dead ends: 429 [2018-10-26 20:20:46,310 INFO L226 Difference]: Without dead ends: 261 [2018-10-26 20:20:46,314 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 20:20:46,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2018-10-26 20:20:46,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2018-10-26 20:20:46,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2018-10-26 20:20:46,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 389 transitions. [2018-10-26 20:20:46,378 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 389 transitions. Word has length 52 [2018-10-26 20:20:46,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:20:46,379 INFO L481 AbstractCegarLoop]: Abstraction has 261 states and 389 transitions. [2018-10-26 20:20:46,379 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 20:20:46,379 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 389 transitions. [2018-10-26 20:20:46,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-26 20:20:46,381 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:20:46,382 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:20:46,382 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:20:46,382 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:20:46,382 INFO L82 PathProgramCache]: Analyzing trace with hash -1533757696, now seen corresponding path program 1 times [2018-10-26 20:20:46,387 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-26 20:20:46,388 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_06b1f6fd-cb7f-43db-a38a-d93da4886d43/bin-2019/utaipan/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-26 20:20:46,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:20:46,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:20:46,579 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:20:46,640 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:20:46,640 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:20:46,643 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:20:46,643 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 20:20:46,645 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 20:20:46,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 20:20:46,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 20:20:46,645 INFO L87 Difference]: Start difference. First operand 261 states and 389 transitions. Second operand 3 states. [2018-10-26 20:20:46,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:20:46,825 INFO L93 Difference]: Finished difference Result 506 states and 764 transitions. [2018-10-26 20:20:46,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 20:20:46,825 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2018-10-26 20:20:46,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:20:46,828 INFO L225 Difference]: With dead ends: 506 [2018-10-26 20:20:46,828 INFO L226 Difference]: Without dead ends: 381 [2018-10-26 20:20:46,829 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 20:20:46,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2018-10-26 20:20:46,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2018-10-26 20:20:46,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2018-10-26 20:20:46,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 568 transitions. [2018-10-26 20:20:46,853 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 568 transitions. Word has length 70 [2018-10-26 20:20:46,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:20:46,853 INFO L481 AbstractCegarLoop]: Abstraction has 381 states and 568 transitions. [2018-10-26 20:20:46,854 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 20:20:46,854 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 568 transitions. [2018-10-26 20:20:46,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-26 20:20:46,858 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:20:46,858 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:20:46,858 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:20:46,859 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:20:46,859 INFO L82 PathProgramCache]: Analyzing trace with hash -1274583719, now seen corresponding path program 1 times [2018-10-26 20:20:46,860 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-26 20:20:46,860 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_06b1f6fd-cb7f-43db-a38a-d93da4886d43/bin-2019/utaipan/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-26 20:20:46,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:20:47,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:20:47,108 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:20:47,126 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 20:20:47,126 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:20:47,129 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:20:47,129 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 20:20:47,129 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 20:20:47,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 20:20:47,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 20:20:47,132 INFO L87 Difference]: Start difference. First operand 381 states and 568 transitions. Second operand 3 states. [2018-10-26 20:20:47,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:20:47,251 INFO L93 Difference]: Finished difference Result 747 states and 1124 transitions. [2018-10-26 20:20:47,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 20:20:47,252 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2018-10-26 20:20:47,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:20:47,254 INFO L225 Difference]: With dead ends: 747 [2018-10-26 20:20:47,254 INFO L226 Difference]: Without dead ends: 502 [2018-10-26 20:20:47,255 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 20:20:47,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2018-10-26 20:20:47,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 502. [2018-10-26 20:20:47,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 502 states. [2018-10-26 20:20:47,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 749 transitions. [2018-10-26 20:20:47,281 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 749 transitions. Word has length 93 [2018-10-26 20:20:47,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:20:47,281 INFO L481 AbstractCegarLoop]: Abstraction has 502 states and 749 transitions. [2018-10-26 20:20:47,282 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 20:20:47,282 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 749 transitions. [2018-10-26 20:20:47,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-26 20:20:47,286 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:20:47,286 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:20:47,286 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:20:47,287 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:20:47,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1716561609, now seen corresponding path program 1 times [2018-10-26 20:20:47,288 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-26 20:20:47,288 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_06b1f6fd-cb7f-43db-a38a-d93da4886d43/bin-2019/utaipan/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-26 20:20:47,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:20:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:20:47,557 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:20:47,623 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-10-26 20:20:47,623 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (5)] Exception during sending of exit command (exit): Broken pipe [2018-10-26 20:20:47,627 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:20:47,628 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 20:20:47,628 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 20:20:47,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 20:20:47,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 20:20:47,630 INFO L87 Difference]: Start difference. First operand 502 states and 749 transitions. Second operand 3 states. [2018-10-26 20:20:47,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:20:47,875 INFO L93 Difference]: Finished difference Result 865 states and 1295 transitions. [2018-10-26 20:20:47,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 20:20:47,876 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2018-10-26 20:20:47,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:20:47,879 INFO L225 Difference]: With dead ends: 865 [2018-10-26 20:20:47,879 INFO L226 Difference]: Without dead ends: 499 [2018-10-26 20:20:47,880 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 20:20:47,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2018-10-26 20:20:47,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 499. [2018-10-26 20:20:47,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 499 states. [2018-10-26 20:20:47,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 739 transitions. [2018-10-26 20:20:47,913 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 739 transitions. Word has length 135 [2018-10-26 20:20:47,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:20:47,914 INFO L481 AbstractCegarLoop]: Abstraction has 499 states and 739 transitions. [2018-10-26 20:20:47,914 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 20:20:47,914 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 739 transitions. [2018-10-26 20:20:47,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-26 20:20:47,916 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:20:47,916 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:20:47,917 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:20:47,917 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:20:47,917 INFO L82 PathProgramCache]: Analyzing trace with hash 1673802280, now seen corresponding path program 1 times [2018-10-26 20:20:47,918 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-26 20:20:47,918 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_06b1f6fd-cb7f-43db-a38a-d93da4886d43/bin-2019/utaipan/cvc4nyu Starting monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-26 20:20:47,949 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:20:49,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:20:49,544 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:20:49,645 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-10-26 20:20:49,659 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-10-26 20:20:49,660 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 20:20:49,687 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:20:49,759 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:20:49,760 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:17, output treesize:13 [2018-10-26 20:20:49,853 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2018-10-26 20:20:49,896 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 20:20:49,899 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-10-26 20:20:49,899 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 20:20:49,905 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:20:49,926 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:20:49,927 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:13 [2018-10-26 20:20:50,023 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-26 20:20:50,023 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:20:50,028 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:20:50,029 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 20:20:50,029 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 20:20:50,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 20:20:50,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-10-26 20:20:50,031 INFO L87 Difference]: Start difference. First operand 499 states and 739 transitions. Second operand 7 states. [2018-10-26 20:20:53,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:20:53,357 INFO L93 Difference]: Finished difference Result 1137 states and 1686 transitions. [2018-10-26 20:20:53,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 20:20:53,371 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 136 [2018-10-26 20:20:53,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:20:53,374 INFO L225 Difference]: With dead ends: 1137 [2018-10-26 20:20:53,374 INFO L226 Difference]: Without dead ends: 652 [2018-10-26 20:20:53,376 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-10-26 20:20:53,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2018-10-26 20:20:53,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 577. [2018-10-26 20:20:53,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2018-10-26 20:20:53,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 871 transitions. [2018-10-26 20:20:53,402 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 871 transitions. Word has length 136 [2018-10-26 20:20:53,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:20:53,404 INFO L481 AbstractCegarLoop]: Abstraction has 577 states and 871 transitions. [2018-10-26 20:20:53,404 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 20:20:53,404 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 871 transitions. [2018-10-26 20:20:53,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-26 20:20:53,407 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:20:53,408 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:20:53,408 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:20:53,408 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:20:53,408 INFO L82 PathProgramCache]: Analyzing trace with hash -2034888794, now seen corresponding path program 1 times [2018-10-26 20:20:53,410 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-26 20:20:53,411 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_06b1f6fd-cb7f-43db-a38a-d93da4886d43/bin-2019/utaipan/cvc4nyu Starting monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-26 20:20:53,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:20:56,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:20:59,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:20:59,842 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 20:20:59,869 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:20:59,870 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:20:59,870 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:20:59,871 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:20:59,871 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:20:59,872 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:20:59,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 08:20:59 BoogieIcfgContainer [2018-10-26 20:20:59,946 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 20:20:59,946 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:20:59,946 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:20:59,946 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:20:59,948 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:20:45" (3/4) ... [2018-10-26 20:20:59,950 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-26 20:20:59,956 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:20:59,956 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:20:59,956 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:20:59,957 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:20:59,957 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:20:59,957 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:21:00,070 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_06b1f6fd-cb7f-43db-a38a-d93da4886d43/bin-2019/utaipan/witness.graphml [2018-10-26 20:21:00,070 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:21:00,071 INFO L168 Benchmark]: Toolchain (without parser) took 20652.22 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 296.7 MB). Free memory was 947.9 MB in the beginning and 1.3 GB in the end (delta: -304.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:21:00,072 INFO L168 Benchmark]: CDTParser took 0.88 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:21:00,072 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1198.06 ms. Allocated memory is still 1.0 GB. Free memory was 947.9 MB in the beginning and 786.6 MB in the end (delta: 161.3 MB). Peak memory consumption was 161.3 MB. Max. memory is 11.5 GB. [2018-10-26 20:21:00,072 INFO L168 Benchmark]: Boogie Procedure Inliner took 217.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.9 MB). Free memory was 786.6 MB in the beginning and 1.2 GB in the end (delta: -381.2 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:21:00,073 INFO L168 Benchmark]: Boogie Preprocessor took 129.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 11.5 GB. [2018-10-26 20:21:00,073 INFO L168 Benchmark]: RCFGBuilder took 4565.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 999.1 MB in the end (delta: 162.9 MB). Peak memory consumption was 162.9 MB. Max. memory is 11.5 GB. [2018-10-26 20:21:00,079 INFO L168 Benchmark]: TraceAbstraction took 14412.94 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 115.9 MB). Free memory was 999.1 MB in the beginning and 1.3 GB in the end (delta: -268.8 MB). Peak memory consumption was 213.1 MB. Max. memory is 11.5 GB. [2018-10-26 20:21:00,079 INFO L168 Benchmark]: Witness Printer took 124.11 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-10-26 20:21:00,081 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.88 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1198.06 ms. Allocated memory is still 1.0 GB. Free memory was 947.9 MB in the beginning and 786.6 MB in the end (delta: 161.3 MB). Peak memory consumption was 161.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 217.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.9 MB). Free memory was 786.6 MB in the beginning and 1.2 GB in the end (delta: -381.2 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 129.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4565.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 999.1 MB in the end (delta: 162.9 MB). Peak memory consumption was 162.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14412.94 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 115.9 MB). Free memory was 999.1 MB in the beginning and 1.3 GB in the end (delta: -268.8 MB). Peak memory consumption was 213.1 MB. Max. memory is 11.5 GB. * Witness Printer took 124.11 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1706]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1042] static int init = 1; [L1043] CALL static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1043] RET static SSL_METHOD SSLv3_server_data ; [L1065] SSL *s ; [L1066] int tmp ; [L1070] EXPR, FCALL malloc(sizeof(SSL)) [L1070] s = malloc(sizeof(SSL)) [L1071] EXPR, FCALL malloc(sizeof(struct ssl3_state_st)) [L1071] CALL s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1071] RET s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1072] EXPR, FCALL malloc(sizeof(SSL_CTX)) [L1072] CALL s->ctx = malloc(sizeof(SSL_CTX)) [L1072] RET s->ctx = malloc(sizeof(SSL_CTX)) [L1073] EXPR, FCALL malloc(sizeof(SSL_SESSION)) [L1073] CALL s->session = malloc(sizeof(SSL_SESSION)) [L1073] RET s->session = malloc(sizeof(SSL_SESSION)) [L1074] CALL s->state = 8464 [L1074] RET s->state = 8464 [L1075] CALL ssl3_accept(s) VAL [init=1, SSLv3_server_data={-1224602382:0}] [L1081] BUF_MEM *buf = __VERIFIER_nondet_pointer() ; [L1082] unsigned long l ; [L1083] unsigned long Time ; [L1084] unsigned long tmp = __VERIFIER_nondet_long() ; [L1085] void (*cb)() ; [L1086] long num1 ; [L1087] int ret ; [L1088] int new_state ; [L1089] int state ; [L1090] int skip ; [L1091] int got_new_session ; [L1092] int tmp___1 = __VERIFIER_nondet_int() ; [L1093] int tmp___2 = __VERIFIER_nondet_int() ; [L1094] int tmp___3 ; [L1095] int tmp___4 ; [L1096] int tmp___5 ; [L1097] int tmp___6 ; [L1098] int tmp___7 ; [L1099] long tmp___8 = __VERIFIER_nondet_long() ; [L1100] int tmp___9 ; [L1101] int tmp___10 ; [L1102] int blastFlag ; [L1106] blastFlag = 0 [L1107] CALL s->hit=__VERIFIER_nondet_int () [L1107] RET s->hit=__VERIFIER_nondet_int () [L1108] CALL s->state = 8464 [L1108] RET s->state = 8464 [L1109] Time = tmp [L1110] cb = (void (*)())((void *)0) [L1111] ret = -1 [L1112] skip = 0 [L1113] got_new_session = 0 [L1114] CALL, EXPR s->info_callback [L1114] RET, EXPR s->info_callback [L1114] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1115] CALL, EXPR s->info_callback [L1115] RET, EXPR s->info_callback [L1115] cb = s->info_callback [L1119] CALL, EXPR s->in_handshake [L1119] RET, EXPR s->in_handshake [L1119] CALL s->in_handshake += 1 [L1119] RET s->in_handshake += 1 [L1120] COND FALSE !(tmp___1 & 12288) VAL [init=1, SSLv3_server_data={-1224602382:0}] [L1129] CALL, EXPR s->cert [L1129] RET, EXPR s->cert [L1129] COND FALSE !((unsigned long )s->cert == (unsigned long )((void *)0)) [L1135] COND TRUE 1 VAL [init=1, SSLv3_server_data={-1224602382:0}] [L1137] CALL, EXPR s->state [L1137] RET, EXPR s->state [L1137] state = s->state [L1138] CALL, EXPR s->state [L1138] RET, EXPR s->state [L1138] COND FALSE !(s->state == 12292) [L1141] CALL, EXPR s->state [L1141] RET, EXPR s->state [L1141] COND FALSE !(s->state == 16384) [L1144] CALL, EXPR s->state [L1144] RET, EXPR s->state [L1144] COND FALSE !(s->state == 8192) [L1147] CALL, EXPR s->state [L1147] RET, EXPR s->state [L1147] COND FALSE !(s->state == 24576) [L1150] CALL, EXPR s->state [L1150] RET, EXPR s->state [L1150] COND FALSE !(s->state == 8195) [L1153] CALL, EXPR s->state [L1153] RET, EXPR s->state [L1153] COND FALSE !(s->state == 8480) [L1156] CALL, EXPR s->state [L1156] RET, EXPR s->state [L1156] COND FALSE !(s->state == 8481) [L1159] CALL, EXPR s->state [L1159] RET, EXPR s->state [L1159] COND FALSE !(s->state == 8482) [L1162] CALL, EXPR s->state [L1162] RET, EXPR s->state [L1162] COND TRUE s->state == 8464 [L1318] CALL s->shutdown = 0 [L1318] RET s->shutdown = 0 [L1319] ret = __VERIFIER_nondet_int() [L1320] COND TRUE blastFlag == 0 [L1321] blastFlag = 1 VAL [init=1, SSLv3_server_data={-1224602382:0}] [L1325] COND FALSE !(ret <= 0) [L1330] got_new_session = 1 [L1331] CALL s->state = 8496 [L1331] RET s->state = 8496 [L1332] CALL s->init_num = 0 [L1332] RET s->init_num = 0 [L1665] CALL, EXPR s->s3 [L1665] RET, EXPR s->s3 [L1665] CALL, EXPR (s->s3)->tmp.reuse_message [L1665] RET, EXPR (s->s3)->tmp.reuse_message [L1665] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1694] skip = 0 VAL [init=1, SSLv3_server_data={-1224602382:0}] [L1135] COND TRUE 1 VAL [init=1, SSLv3_server_data={-1224602382:0}] [L1137] CALL, EXPR s->state [L1137] RET, EXPR s->state [L1137] state = s->state [L1138] CALL, EXPR s->state [L1138] RET, EXPR s->state [L1138] COND FALSE !(s->state == 12292) [L1141] CALL, EXPR s->state [L1141] RET, EXPR s->state [L1141] COND FALSE !(s->state == 16384) [L1144] CALL, EXPR s->state [L1144] RET, EXPR s->state [L1144] COND FALSE !(s->state == 8192) [L1147] CALL, EXPR s->state [L1147] RET, EXPR s->state [L1147] COND FALSE !(s->state == 24576) [L1150] CALL, EXPR s->state [L1150] RET, EXPR s->state [L1150] COND FALSE !(s->state == 8195) [L1153] CALL, EXPR s->state [L1153] RET, EXPR s->state [L1153] COND FALSE !(s->state == 8480) [L1156] CALL, EXPR s->state [L1156] RET, EXPR s->state [L1156] COND FALSE !(s->state == 8481) [L1159] CALL, EXPR s->state [L1159] RET, EXPR s->state [L1159] COND FALSE !(s->state == 8482) [L1162] CALL, EXPR s->state [L1162] RET, EXPR s->state [L1162] COND FALSE !(s->state == 8464) [L1165] CALL, EXPR s->state [L1165] RET, EXPR s->state [L1165] COND FALSE !(s->state == 8465) [L1168] CALL, EXPR s->state [L1168] RET, EXPR s->state [L1168] COND FALSE !(s->state == 8466) [L1171] CALL, EXPR s->state [L1171] RET, EXPR s->state [L1171] COND TRUE s->state == 8496 [L1336] ret = __VERIFIER_nondet_int() [L1337] COND TRUE blastFlag == 1 [L1338] blastFlag = 2 VAL [init=1, SSLv3_server_data={-1224602382:0}] [L1342] COND FALSE !(ret <= 0) [L1347] CALL s->hit [L1347] RET s->hit [L1347] COND TRUE s->hit [L1348] CALL s->state = 8656 [L1348] RET s->state = 8656 [L1352] CALL s->init_num = 0 [L1352] RET s->init_num = 0 [L1665] CALL, EXPR s->s3 [L1665] RET, EXPR s->s3 [L1665] CALL, EXPR (s->s3)->tmp.reuse_message [L1665] RET, EXPR (s->s3)->tmp.reuse_message [L1665] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1694] skip = 0 VAL [init=1, SSLv3_server_data={-1224602382:0}] [L1135] COND TRUE 1 VAL [init=1, SSLv3_server_data={-1224602382:0}] [L1137] CALL, EXPR s->state [L1137] RET, EXPR s->state [L1137] state = s->state [L1138] CALL, EXPR s->state [L1138] RET, EXPR s->state [L1138] COND FALSE !(s->state == 12292) [L1141] CALL, EXPR s->state [L1141] RET, EXPR s->state [L1141] COND FALSE !(s->state == 16384) [L1144] CALL, EXPR s->state [L1144] RET, EXPR s->state [L1144] COND FALSE !(s->state == 8192) [L1147] CALL, EXPR s->state [L1147] RET, EXPR s->state [L1147] COND FALSE !(s->state == 24576) [L1150] CALL, EXPR s->state [L1150] RET, EXPR s->state [L1150] COND FALSE !(s->state == 8195) [L1153] CALL, EXPR s->state [L1153] RET, EXPR s->state [L1153] COND FALSE !(s->state == 8480) [L1156] CALL, EXPR s->state [L1156] RET, EXPR s->state [L1156] COND FALSE !(s->state == 8481) [L1159] CALL, EXPR s->state [L1159] RET, EXPR s->state [L1159] COND FALSE !(s->state == 8482) [L1162] CALL, EXPR s->state [L1162] RET, EXPR s->state [L1162] COND FALSE !(s->state == 8464) [L1165] CALL, EXPR s->state [L1165] RET, EXPR s->state [L1165] COND FALSE !(s->state == 8465) [L1168] CALL, EXPR s->state [L1168] RET, EXPR s->state [L1168] COND FALSE !(s->state == 8466) [L1171] CALL, EXPR s->state [L1171] RET, EXPR s->state [L1171] COND FALSE !(s->state == 8496) [L1174] CALL, EXPR s->state [L1174] RET, EXPR s->state [L1174] COND FALSE !(s->state == 8497) [L1177] CALL, EXPR s->state [L1177] RET, EXPR s->state [L1177] COND FALSE !(s->state == 8512) [L1180] CALL, EXPR s->state [L1180] RET, EXPR s->state [L1180] COND FALSE !(s->state == 8513) [L1183] CALL, EXPR s->state [L1183] RET, EXPR s->state [L1183] COND FALSE !(s->state == 8528) [L1186] CALL, EXPR s->state [L1186] RET, EXPR s->state [L1186] COND FALSE !(s->state == 8529) [L1189] CALL, EXPR s->state [L1189] RET, EXPR s->state [L1189] COND FALSE !(s->state == 8544) [L1192] CALL, EXPR s->state [L1192] RET, EXPR s->state [L1192] COND FALSE !(s->state == 8545) [L1195] CALL, EXPR s->state [L1195] RET, EXPR s->state [L1195] COND FALSE !(s->state == 8560) [L1198] CALL, EXPR s->state [L1198] RET, EXPR s->state [L1198] COND FALSE !(s->state == 8561) [L1201] CALL, EXPR s->state [L1201] RET, EXPR s->state [L1201] COND FALSE !(s->state == 8448) [L1204] CALL, EXPR s->state [L1204] RET, EXPR s->state [L1204] COND FALSE !(s->state == 8576) [L1207] CALL, EXPR s->state [L1207] RET, EXPR s->state [L1207] COND FALSE !(s->state == 8577) [L1210] CALL, EXPR s->state [L1210] RET, EXPR s->state [L1210] COND FALSE !(s->state == 8592) [L1213] CALL, EXPR s->state [L1213] RET, EXPR s->state [L1213] COND FALSE !(s->state == 8593) [L1216] CALL, EXPR s->state [L1216] RET, EXPR s->state [L1216] COND FALSE !(s->state == 8608) [L1219] CALL, EXPR s->state [L1219] RET, EXPR s->state [L1219] COND FALSE !(s->state == 8609) [L1222] CALL, EXPR s->state [L1222] RET, EXPR s->state [L1222] COND FALSE !(s->state == 8640) [L1225] CALL, EXPR s->state [L1225] RET, EXPR s->state [L1225] COND FALSE !(s->state == 8641) [L1228] CALL, EXPR s->state [L1228] RET, EXPR s->state [L1228] COND TRUE s->state == 8656 [L1552] CALL, EXPR s->session [L1552] RET, EXPR s->session [L1552] CALL, EXPR s->s3 [L1552] RET, EXPR s->s3 [L1552] CALL, EXPR (s->s3)->tmp.new_cipher [L1552] RET, EXPR (s->s3)->tmp.new_cipher [L1552] CALL (s->session)->cipher = (s->s3)->tmp.new_cipher [L1552] RET (s->session)->cipher = (s->s3)->tmp.new_cipher [L1553] tmp___9 = __VERIFIER_nondet_int() [L1554] COND FALSE !(! tmp___9) [L1560] ret = __VERIFIER_nondet_int() [L1561] COND TRUE blastFlag == 2 [L1562] blastFlag = 5 VAL [init=1, SSLv3_server_data={-1224602382:0}] [L1566] COND FALSE !(ret <= 0) [L1571] CALL s->state = 8672 [L1571] RET s->state = 8672 [L1572] CALL s->init_num = 0 [L1572] RET s->init_num = 0 [L1573] tmp___10 = __VERIFIER_nondet_int() [L1574] COND FALSE !(! tmp___10) VAL [init=1, SSLv3_server_data={-1224602382:0}] [L1665] CALL, EXPR s->s3 [L1665] RET, EXPR s->s3 [L1665] CALL, EXPR (s->s3)->tmp.reuse_message [L1665] RET, EXPR (s->s3)->tmp.reuse_message [L1665] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1694] skip = 0 VAL [init=1, SSLv3_server_data={-1224602382:0}] [L1135] COND TRUE 1 VAL [init=1, SSLv3_server_data={-1224602382:0}] [L1137] CALL, EXPR s->state [L1137] RET, EXPR s->state [L1137] state = s->state [L1138] CALL, EXPR s->state [L1138] RET, EXPR s->state [L1138] COND FALSE !(s->state == 12292) [L1141] CALL, EXPR s->state [L1141] RET, EXPR s->state [L1141] COND FALSE !(s->state == 16384) [L1144] CALL, EXPR s->state [L1144] RET, EXPR s->state [L1144] COND FALSE !(s->state == 8192) [L1147] CALL, EXPR s->state [L1147] RET, EXPR s->state [L1147] COND FALSE !(s->state == 24576) [L1150] CALL, EXPR s->state [L1150] RET, EXPR s->state [L1150] COND FALSE !(s->state == 8195) [L1153] CALL, EXPR s->state [L1153] RET, EXPR s->state [L1153] COND FALSE !(s->state == 8480) [L1156] CALL, EXPR s->state [L1156] RET, EXPR s->state [L1156] COND FALSE !(s->state == 8481) [L1159] CALL, EXPR s->state [L1159] RET, EXPR s->state [L1159] COND FALSE !(s->state == 8482) [L1162] CALL, EXPR s->state [L1162] RET, EXPR s->state [L1162] COND FALSE !(s->state == 8464) [L1165] CALL, EXPR s->state [L1165] RET, EXPR s->state [L1165] COND FALSE !(s->state == 8465) [L1168] CALL, EXPR s->state [L1168] RET, EXPR s->state [L1168] COND FALSE !(s->state == 8466) [L1171] CALL, EXPR s->state [L1171] RET, EXPR s->state [L1171] COND FALSE !(s->state == 8496) [L1174] CALL, EXPR s->state [L1174] RET, EXPR s->state [L1174] COND FALSE !(s->state == 8497) [L1177] CALL, EXPR s->state [L1177] RET, EXPR s->state [L1177] COND FALSE !(s->state == 8512) [L1180] CALL, EXPR s->state [L1180] RET, EXPR s->state [L1180] COND FALSE !(s->state == 8513) [L1183] CALL, EXPR s->state [L1183] RET, EXPR s->state [L1183] COND FALSE !(s->state == 8528) [L1186] CALL, EXPR s->state [L1186] RET, EXPR s->state [L1186] COND FALSE !(s->state == 8529) [L1189] CALL, EXPR s->state [L1189] RET, EXPR s->state [L1189] COND FALSE !(s->state == 8544) [L1192] CALL, EXPR s->state [L1192] RET, EXPR s->state [L1192] COND FALSE !(s->state == 8545) [L1195] CALL, EXPR s->state [L1195] RET, EXPR s->state [L1195] COND FALSE !(s->state == 8560) [L1198] CALL, EXPR s->state [L1198] RET, EXPR s->state [L1198] COND FALSE !(s->state == 8561) [L1201] CALL, EXPR s->state [L1201] RET, EXPR s->state [L1201] COND FALSE !(s->state == 8448) [L1204] CALL, EXPR s->state [L1204] RET, EXPR s->state [L1204] COND FALSE !(s->state == 8576) [L1207] CALL, EXPR s->state [L1207] RET, EXPR s->state [L1207] COND FALSE !(s->state == 8577) [L1210] CALL, EXPR s->state [L1210] RET, EXPR s->state [L1210] COND FALSE !(s->state == 8592) [L1213] CALL, EXPR s->state [L1213] RET, EXPR s->state [L1213] COND FALSE !(s->state == 8593) [L1216] CALL, EXPR s->state [L1216] RET, EXPR s->state [L1216] COND FALSE !(s->state == 8608) [L1219] CALL, EXPR s->state [L1219] RET, EXPR s->state [L1219] COND FALSE !(s->state == 8609) [L1222] CALL, EXPR s->state [L1222] RET, EXPR s->state [L1222] COND FALSE !(s->state == 8640) [L1225] CALL, EXPR s->state [L1225] RET, EXPR s->state [L1225] COND FALSE !(s->state == 8641) [L1228] CALL, EXPR s->state [L1228] RET, EXPR s->state [L1228] COND FALSE !(s->state == 8656) [L1231] CALL, EXPR s->state [L1231] RET, EXPR s->state [L1231] COND FALSE !(s->state == 8657) [L1234] CALL, EXPR s->state [L1234] RET, EXPR s->state [L1234] COND TRUE s->state == 8672 [L1583] ret = __VERIFIER_nondet_int() [L1584] COND FALSE !(blastFlag == 4) VAL [init=1, SSLv3_server_data={-1224602382:0}] [L1587] COND TRUE blastFlag == 5 VAL [init=1, SSLv3_server_data={-1224602382:0}] [L1706] __VERIFIER_error() VAL [init=1, SSLv3_server_data={-1224602382:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 157 locations, 1 error locations. UNSAFE Result, 14.3s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 4.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1524 SDtfs, 1002 SDslu, 1212 SDs, 0 SdLazy, 576 SolverSat, 30 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 3.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 484 GetRequests, 472 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=577occurred in iteration=5, 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 75 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 4.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 622 NumberOfCodeBlocks, 622 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 481 ConstructedInterpolants, 0 QuantifiedInterpolants, 128924 SizeOfPredicates, 22 NumberOfNonLiveVariables, 3151 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 272/272 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...