./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/ssh/s3_srvr.blast.11_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_f2dd5ab6-80a6-45f3-882f-32eb464f15dd/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f2dd5ab6-80a6-45f3-882f-32eb464f15dd/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f2dd5ab6-80a6-45f3-882f-32eb464f15dd/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f2dd5ab6-80a6-45f3-882f-32eb464f15dd/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ssh/s3_srvr.blast.11_false-unreach-call.i.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f2dd5ab6-80a6-45f3-882f-32eb464f15dd/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f2dd5ab6-80a6-45f3-882f-32eb464f15dd/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 0d6ad3f0294acf0e7c3fc00758f9075ea20494f3 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_f2dd5ab6-80a6-45f3-882f-32eb464f15dd/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f2dd5ab6-80a6-45f3-882f-32eb464f15dd/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f2dd5ab6-80a6-45f3-882f-32eb464f15dd/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f2dd5ab6-80a6-45f3-882f-32eb464f15dd/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ssh/s3_srvr.blast.11_false-unreach-call.i.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f2dd5ab6-80a6-45f3-882f-32eb464f15dd/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f2dd5ab6-80a6-45f3-882f-32eb464f15dd/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 0d6ad3f0294acf0e7c3fc00758f9075ea20494f3 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 03:20:39,349 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 03:20:39,351 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 03:20:39,357 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 03:20:39,357 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 03:20:39,358 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 03:20:39,359 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 03:20:39,360 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 03:20:39,361 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 03:20:39,361 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 03:20:39,362 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 03:20:39,362 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 03:20:39,363 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 03:20:39,363 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 03:20:39,364 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 03:20:39,364 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 03:20:39,365 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 03:20:39,366 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 03:20:39,367 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 03:20:39,368 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 03:20:39,369 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 03:20:39,370 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 03:20:39,372 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 03:20:39,372 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 03:20:39,372 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 03:20:39,373 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 03:20:39,373 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 03:20:39,374 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 03:20:39,374 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 03:20:39,375 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 03:20:39,375 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 03:20:39,376 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 03:20:39,376 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 03:20:39,376 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 03:20:39,377 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 03:20:39,377 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 03:20:39,377 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f2dd5ab6-80a6-45f3-882f-32eb464f15dd/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 03:20:39,388 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 03:20:39,388 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 03:20:39,389 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 03:20:39,389 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 03:20:39,389 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 03:20:39,389 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 03:20:39,389 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 03:20:39,389 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 03:20:39,389 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 03:20:39,390 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 03:20:39,390 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 03:20:39,390 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 03:20:39,390 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 03:20:39,390 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 03:20:39,391 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 03:20:39,391 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 03:20:39,391 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 03:20:39,391 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 03:20:39,391 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 03:20:39,391 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 03:20:39,391 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 03:20:39,391 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 03:20:39,392 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 03:20:39,392 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 03:20:39,392 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 03:20:39,392 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 03:20:39,392 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 03:20:39,392 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 03:20:39,392 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 03:20:39,392 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 03:20:39,393 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 03:20:39,393 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 03:20:39,393 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 03:20:39,393 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 03:20:39,393 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_f2dd5ab6-80a6-45f3-882f-32eb464f15dd/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 -> 0d6ad3f0294acf0e7c3fc00758f9075ea20494f3 [2018-11-10 03:20:39,416 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 03:20:39,425 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 03:20:39,427 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 03:20:39,428 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 03:20:39,429 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 03:20:39,429 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f2dd5ab6-80a6-45f3-882f-32eb464f15dd/bin-2019/utaipan/../../sv-benchmarks/c/ssh/s3_srvr.blast.11_false-unreach-call.i.cil.c [2018-11-10 03:20:39,474 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f2dd5ab6-80a6-45f3-882f-32eb464f15dd/bin-2019/utaipan/data/384c008d1/cd95b337d32a49e7b066e071dfa83c26/FLAG2acffb3b2 [2018-11-10 03:20:39,851 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 03:20:39,851 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f2dd5ab6-80a6-45f3-882f-32eb464f15dd/sv-benchmarks/c/ssh/s3_srvr.blast.11_false-unreach-call.i.cil.c [2018-11-10 03:20:39,865 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f2dd5ab6-80a6-45f3-882f-32eb464f15dd/bin-2019/utaipan/data/384c008d1/cd95b337d32a49e7b066e071dfa83c26/FLAG2acffb3b2 [2018-11-10 03:20:39,877 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f2dd5ab6-80a6-45f3-882f-32eb464f15dd/bin-2019/utaipan/data/384c008d1/cd95b337d32a49e7b066e071dfa83c26 [2018-11-10 03:20:39,880 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 03:20:39,881 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 03:20:39,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 03:20:39,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 03:20:39,885 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 03:20:39,886 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:20:39" (1/1) ... [2018-11-10 03:20:39,888 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39819167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:20:39, skipping insertion in model container [2018-11-10 03:20:39,888 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:20:39" (1/1) ... [2018-11-10 03:20:39,896 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 03:20:39,942 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 03:20:40,338 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:20:40,346 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 03:20:40,618 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:20:40,632 INFO L193 MainTranslator]: Completed translation [2018-11-10 03:20:40,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:20:40 WrapperNode [2018-11-10 03:20:40,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 03:20:40,634 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 03:20:40,634 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 03:20:40,634 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 03:20:40,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:20:40" (1/1) ... [2018-11-10 03:20:40,658 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:20:40" (1/1) ... [2018-11-10 03:20:40,705 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 03:20:40,705 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 03:20:40,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 03:20:40,705 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 03:20:40,713 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:20:40" (1/1) ... [2018-11-10 03:20:40,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:20:40" (1/1) ... [2018-11-10 03:20:40,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:20:40" (1/1) ... [2018-11-10 03:20:40,724 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:20:40" (1/1) ... [2018-11-10 03:20:40,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:20:40" (1/1) ... [2018-11-10 03:20:40,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:20:40" (1/1) ... [2018-11-10 03:20:40,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:20:40" (1/1) ... [2018-11-10 03:20:40,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 03:20:40,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 03:20:40,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 03:20:40,773 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 03:20:40,773 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:20:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f2dd5ab6-80a6-45f3-882f-32eb464f15dd/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 03:20:40,810 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 03:20:40,810 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 03:20:40,810 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2018-11-10 03:20:40,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2018-11-10 03:20:40,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 03:20:40,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 03:20:40,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 03:20:40,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 03:20:41,222 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 03:20:41,223 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 03:20:41,761 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 03:20:41,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:20:41 BoogieIcfgContainer [2018-11-10 03:20:41,761 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 03:20:41,762 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 03:20:41,762 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 03:20:41,764 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 03:20:41,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 03:20:39" (1/3) ... [2018-11-10 03:20:41,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a6f7c2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:20:41, skipping insertion in model container [2018-11-10 03:20:41,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:20:40" (2/3) ... [2018-11-10 03:20:41,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a6f7c2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:20:41, skipping insertion in model container [2018-11-10 03:20:41,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:20:41" (3/3) ... [2018-11-10 03:20:41,767 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.11_false-unreach-call.i.cil.c [2018-11-10 03:20:41,775 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 03:20:41,785 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 03:20:41,798 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 03:20:41,825 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 03:20:41,826 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 03:20:41,826 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 03:20:41,826 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 03:20:41,826 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 03:20:41,826 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 03:20:41,826 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 03:20:41,826 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 03:20:41,843 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2018-11-10 03:20:41,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-10 03:20:41,849 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:20:41,850 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] [2018-11-10 03:20:41,852 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:20:41,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:20:41,857 INFO L82 PathProgramCache]: Analyzing trace with hash 661829922, now seen corresponding path program 1 times [2018-11-10 03:20:41,859 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:20:41,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:20:41,901 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:20:41,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:20:41,901 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:20:42,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:20:42,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:20:42,120 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:20:42,120 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 03:20:42,120 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:20:42,124 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 03:20:42,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 03:20:42,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 03:20:42,134 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 3 states. [2018-11-10 03:20:42,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:20:42,231 INFO L93 Difference]: Finished difference Result 438 states and 739 transitions. [2018-11-10 03:20:42,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 03:20:42,232 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2018-11-10 03:20:42,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:20:42,242 INFO L225 Difference]: With dead ends: 438 [2018-11-10 03:20:42,242 INFO L226 Difference]: Without dead ends: 267 [2018-11-10 03:20:42,245 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 [2018-11-10 03:20:42,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2018-11-10 03:20:42,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 267. [2018-11-10 03:20:42,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2018-11-10 03:20:42,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 399 transitions. [2018-11-10 03:20:42,289 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 399 transitions. Word has length 42 [2018-11-10 03:20:42,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:20:42,289 INFO L481 AbstractCegarLoop]: Abstraction has 267 states and 399 transitions. [2018-11-10 03:20:42,289 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 03:20:42,290 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 399 transitions. [2018-11-10 03:20:42,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-10 03:20:42,292 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:20:42,292 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] [2018-11-10 03:20:42,293 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:20:42,293 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:20:42,293 INFO L82 PathProgramCache]: Analyzing trace with hash 233986428, now seen corresponding path program 1 times [2018-11-10 03:20:42,293 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:20:42,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:20:42,294 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:20:42,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:20:42,295 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:20:42,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:20:42,442 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:20:42,442 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:20:42,443 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 03:20:42,443 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:20:42,444 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 03:20:42,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 03:20:42,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-10 03:20:42,445 INFO L87 Difference]: Start difference. First operand 267 states and 399 transitions. Second operand 4 states. [2018-11-10 03:20:42,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:20:42,718 INFO L93 Difference]: Finished difference Result 439 states and 663 transitions. [2018-11-10 03:20:42,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 03:20:42,719 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2018-11-10 03:20:42,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:20:42,721 INFO L225 Difference]: With dead ends: 439 [2018-11-10 03:20:42,721 INFO L226 Difference]: Without dead ends: 311 [2018-11-10 03:20:42,722 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-10 03:20:42,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2018-11-10 03:20:42,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 290. [2018-11-10 03:20:42,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2018-11-10 03:20:42,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 438 transitions. [2018-11-10 03:20:42,737 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 438 transitions. Word has length 60 [2018-11-10 03:20:42,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:20:42,737 INFO L481 AbstractCegarLoop]: Abstraction has 290 states and 438 transitions. [2018-11-10 03:20:42,737 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 03:20:42,737 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 438 transitions. [2018-11-10 03:20:42,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-10 03:20:42,739 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:20:42,740 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] [2018-11-10 03:20:42,740 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:20:42,740 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:20:42,740 INFO L82 PathProgramCache]: Analyzing trace with hash 2094117069, now seen corresponding path program 1 times [2018-11-10 03:20:42,740 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:20:42,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:20:42,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:20:42,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:20:42,742 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:20:42,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:20:42,875 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 03:20:42,875 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:20:42,876 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 03:20:42,876 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:20:42,876 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 03:20:42,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 03:20:42,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 03:20:42,877 INFO L87 Difference]: Start difference. First operand 290 states and 438 transitions. Second operand 3 states. [2018-11-10 03:20:42,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:20:42,972 INFO L93 Difference]: Finished difference Result 587 states and 905 transitions. [2018-11-10 03:20:42,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 03:20:42,973 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2018-11-10 03:20:42,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:20:42,975 INFO L225 Difference]: With dead ends: 587 [2018-11-10 03:20:42,975 INFO L226 Difference]: Without dead ends: 436 [2018-11-10 03:20:42,976 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 [2018-11-10 03:20:42,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2018-11-10 03:20:42,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 436. [2018-11-10 03:20:42,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 436 states. [2018-11-10 03:20:42,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 659 transitions. [2018-11-10 03:20:42,992 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 659 transitions. Word has length 74 [2018-11-10 03:20:42,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:20:42,992 INFO L481 AbstractCegarLoop]: Abstraction has 436 states and 659 transitions. [2018-11-10 03:20:42,992 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 03:20:42,992 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 659 transitions. [2018-11-10 03:20:42,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-10 03:20:42,995 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:20:42,995 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] [2018-11-10 03:20:42,995 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:20:42,995 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:20:42,995 INFO L82 PathProgramCache]: Analyzing trace with hash 540992405, now seen corresponding path program 1 times [2018-11-10 03:20:42,996 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:20:42,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:20:42,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:20:42,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:20:42,997 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:20:43,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:20:43,078 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 03:20:43,079 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:20:43,079 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 03:20:43,079 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:20:43,079 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 03:20:43,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 03:20:43,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 03:20:43,080 INFO L87 Difference]: Start difference. First operand 436 states and 659 transitions. Second operand 3 states. [2018-11-10 03:20:43,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:20:43,134 INFO L93 Difference]: Finished difference Result 882 states and 1351 transitions. [2018-11-10 03:20:43,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 03:20:43,134 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2018-11-10 03:20:43,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:20:43,136 INFO L225 Difference]: With dead ends: 882 [2018-11-10 03:20:43,136 INFO L226 Difference]: Without dead ends: 585 [2018-11-10 03:20:43,137 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 [2018-11-10 03:20:43,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2018-11-10 03:20:43,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 585. [2018-11-10 03:20:43,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 585 states. [2018-11-10 03:20:43,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 888 transitions. [2018-11-10 03:20:43,151 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 888 transitions. Word has length 83 [2018-11-10 03:20:43,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:20:43,151 INFO L481 AbstractCegarLoop]: Abstraction has 585 states and 888 transitions. [2018-11-10 03:20:43,152 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 03:20:43,152 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 888 transitions. [2018-11-10 03:20:43,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-10 03:20:43,153 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:20:43,153 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2018-11-10 03:20:43,154 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:20:43,154 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:20:43,154 INFO L82 PathProgramCache]: Analyzing trace with hash -2108182396, now seen corresponding path program 1 times [2018-11-10 03:20:43,154 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:20:43,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:20:43,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:20:43,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:20:43,155 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:20:43,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:20:43,235 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-10 03:20:43,236 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:20:43,236 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 03:20:43,236 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:20:43,236 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 03:20:43,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 03:20:43,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 03:20:43,237 INFO L87 Difference]: Start difference. First operand 585 states and 888 transitions. Second operand 3 states. [2018-11-10 03:20:43,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:20:43,292 INFO L93 Difference]: Finished difference Result 1182 states and 1810 transitions. [2018-11-10 03:20:43,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 03:20:43,293 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2018-11-10 03:20:43,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:20:43,295 INFO L225 Difference]: With dead ends: 1182 [2018-11-10 03:20:43,295 INFO L226 Difference]: Without dead ends: 736 [2018-11-10 03:20:43,296 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 [2018-11-10 03:20:43,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2018-11-10 03:20:43,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 734. [2018-11-10 03:20:43,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 734 states. [2018-11-10 03:20:43,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 1121 transitions. [2018-11-10 03:20:43,309 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 1121 transitions. Word has length 108 [2018-11-10 03:20:43,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:20:43,309 INFO L481 AbstractCegarLoop]: Abstraction has 734 states and 1121 transitions. [2018-11-10 03:20:43,309 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 03:20:43,309 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1121 transitions. [2018-11-10 03:20:43,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-10 03:20:43,311 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:20:43,311 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 1] [2018-11-10 03:20:43,311 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:20:43,311 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:20:43,311 INFO L82 PathProgramCache]: Analyzing trace with hash -917812806, now seen corresponding path program 1 times [2018-11-10 03:20:43,312 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:20:43,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:20:43,312 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:20:43,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:20:43,312 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:20:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:20:43,384 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-10 03:20:43,384 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:20:43,385 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 03:20:43,385 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:20:43,385 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 03:20:43,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 03:20:43,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 03:20:43,385 INFO L87 Difference]: Start difference. First operand 734 states and 1121 transitions. Second operand 3 states. [2018-11-10 03:20:43,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:20:43,431 INFO L93 Difference]: Finished difference Result 1480 states and 2274 transitions. [2018-11-10 03:20:43,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 03:20:43,432 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2018-11-10 03:20:43,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:20:43,434 INFO L225 Difference]: With dead ends: 1480 [2018-11-10 03:20:43,434 INFO L226 Difference]: Without dead ends: 885 [2018-11-10 03:20:43,435 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 [2018-11-10 03:20:43,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2018-11-10 03:20:43,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 883. [2018-11-10 03:20:43,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 883 states. [2018-11-10 03:20:43,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 883 states and 1340 transitions. [2018-11-10 03:20:43,449 INFO L78 Accepts]: Start accepts. Automaton has 883 states and 1340 transitions. Word has length 115 [2018-11-10 03:20:43,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:20:43,450 INFO L481 AbstractCegarLoop]: Abstraction has 883 states and 1340 transitions. [2018-11-10 03:20:43,450 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 03:20:43,450 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1340 transitions. [2018-11-10 03:20:43,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-10 03:20:43,452 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:20:43,452 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, 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] [2018-11-10 03:20:43,453 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:20:43,453 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:20:43,453 INFO L82 PathProgramCache]: Analyzing trace with hash -702055659, now seen corresponding path program 1 times [2018-11-10 03:20:43,453 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:20:43,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:20:43,454 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:20:43,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:20:43,454 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:20:43,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:20:43,533 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-10 03:20:43,533 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:20:43,534 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 03:20:43,534 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:20:43,534 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 03:20:43,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 03:20:43,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 03:20:43,535 INFO L87 Difference]: Start difference. First operand 883 states and 1340 transitions. Second operand 3 states. [2018-11-10 03:20:43,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:20:43,583 INFO L93 Difference]: Finished difference Result 1776 states and 2711 transitions. [2018-11-10 03:20:43,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 03:20:43,583 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2018-11-10 03:20:43,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:20:43,587 INFO L225 Difference]: With dead ends: 1776 [2018-11-10 03:20:43,587 INFO L226 Difference]: Without dead ends: 1032 [2018-11-10 03:20:43,588 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 [2018-11-10 03:20:43,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2018-11-10 03:20:43,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 1032. [2018-11-10 03:20:43,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1032 states. [2018-11-10 03:20:43,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1570 transitions. [2018-11-10 03:20:43,604 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1570 transitions. Word has length 132 [2018-11-10 03:20:43,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:20:43,604 INFO L481 AbstractCegarLoop]: Abstraction has 1032 states and 1570 transitions. [2018-11-10 03:20:43,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 03:20:43,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1570 transitions. [2018-11-10 03:20:43,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-10 03:20:43,606 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:20:43,606 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 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, 1] [2018-11-10 03:20:43,606 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:20:43,607 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:20:43,607 INFO L82 PathProgramCache]: Analyzing trace with hash 483748542, now seen corresponding path program 1 times [2018-11-10 03:20:43,607 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:20:43,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:20:43,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:20:43,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:20:43,608 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:20:43,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:20:43,703 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-10 03:20:43,704 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:20:43,704 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 03:20:43,704 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:20:43,704 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 03:20:43,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 03:20:43,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 03:20:43,705 INFO L87 Difference]: Start difference. First operand 1032 states and 1570 transitions. Second operand 4 states. [2018-11-10 03:20:44,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:20:44,019 INFO L93 Difference]: Finished difference Result 2902 states and 4407 transitions. [2018-11-10 03:20:44,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 03:20:44,020 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 138 [2018-11-10 03:20:44,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:20:44,024 INFO L225 Difference]: With dead ends: 2902 [2018-11-10 03:20:44,024 INFO L226 Difference]: Without dead ends: 1884 [2018-11-10 03:20:44,026 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 03:20:44,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1884 states. [2018-11-10 03:20:44,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1884 to 1213. [2018-11-10 03:20:44,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1213 states. [2018-11-10 03:20:44,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 1213 states and 1877 transitions. [2018-11-10 03:20:44,058 INFO L78 Accepts]: Start accepts. Automaton has 1213 states and 1877 transitions. Word has length 138 [2018-11-10 03:20:44,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:20:44,059 INFO L481 AbstractCegarLoop]: Abstraction has 1213 states and 1877 transitions. [2018-11-10 03:20:44,059 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 03:20:44,059 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 1877 transitions. [2018-11-10 03:20:44,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-10 03:20:44,061 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:20:44,061 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 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, 1] [2018-11-10 03:20:44,061 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:20:44,061 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:20:44,062 INFO L82 PathProgramCache]: Analyzing trace with hash -286985024, now seen corresponding path program 1 times [2018-11-10 03:20:44,062 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:20:44,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:20:44,063 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:20:44,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:20:44,063 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:20:44,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:20:44,191 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-10 03:20:44,191 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:20:44,191 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 03:20:44,191 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:20:44,191 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 03:20:44,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 03:20:44,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 03:20:44,192 INFO L87 Difference]: Start difference. First operand 1213 states and 1877 transitions. Second operand 4 states. [2018-11-10 03:20:44,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:20:44,369 INFO L93 Difference]: Finished difference Result 2496 states and 3873 transitions. [2018-11-10 03:20:44,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 03:20:44,369 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 138 [2018-11-10 03:20:44,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:20:44,372 INFO L225 Difference]: With dead ends: 2496 [2018-11-10 03:20:44,372 INFO L226 Difference]: Without dead ends: 1297 [2018-11-10 03:20:44,374 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 03:20:44,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1297 states. [2018-11-10 03:20:44,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1297 to 1227. [2018-11-10 03:20:44,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1227 states. [2018-11-10 03:20:44,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 1891 transitions. [2018-11-10 03:20:44,397 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 1891 transitions. Word has length 138 [2018-11-10 03:20:44,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:20:44,397 INFO L481 AbstractCegarLoop]: Abstraction has 1227 states and 1891 transitions. [2018-11-10 03:20:44,397 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 03:20:44,397 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1891 transitions. [2018-11-10 03:20:44,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-10 03:20:44,399 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:20:44,399 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 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, 1] [2018-11-10 03:20:44,399 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:20:44,400 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:20:44,400 INFO L82 PathProgramCache]: Analyzing trace with hash 1558382142, now seen corresponding path program 1 times [2018-11-10 03:20:44,400 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:20:44,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:20:44,401 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:20:44,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:20:44,401 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:20:44,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:20:44,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:20:44,579 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 03:20:44,593 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:20:44,594 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:20:44,594 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:20:44,594 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:20:44,595 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:20:44,595 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:20:44,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 03:20:44 BoogieIcfgContainer [2018-11-10 03:20:44,639 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 03:20:44,639 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 03:20:44,639 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 03:20:44,639 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 03:20:44,640 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:20:41" (3/4) ... [2018-11-10 03:20:44,643 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 03:20:44,643 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 03:20:44,644 INFO L168 Benchmark]: Toolchain (without parser) took 4763.21 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 353.4 MB). Free memory was 957.6 MB in the beginning and 1.2 GB in the end (delta: -199.0 MB). Peak memory consumption was 154.3 MB. Max. memory is 11.5 GB. [2018-11-10 03:20:44,645 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:20:44,645 INFO L168 Benchmark]: CACSL2BoogieTranslator took 751.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -190.8 MB). Peak memory consumption was 173.9 MB. Max. memory is 11.5 GB. [2018-11-10 03:20:44,646 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 11.5 GB. [2018-11-10 03:20:44,646 INFO L168 Benchmark]: Boogie Preprocessor took 67.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 11.5 GB. [2018-11-10 03:20:44,646 INFO L168 Benchmark]: RCFGBuilder took 988.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 967.7 MB in the end (delta: 164.5 MB). Peak memory consumption was 164.5 MB. Max. memory is 11.5 GB. [2018-11-10 03:20:44,647 INFO L168 Benchmark]: TraceAbstraction took 2876.81 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 186.6 MB). Free memory was 967.7 MB in the beginning and 1.2 GB in the end (delta: -189.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:20:44,647 INFO L168 Benchmark]: Witness Printer took 3.94 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:20:44,650 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 751.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -190.8 MB). Peak memory consumption was 173.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 67.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 988.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 967.7 MB in the end (delta: 164.5 MB). Peak memory consumption was 164.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2876.81 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 186.6 MB). Free memory was 967.7 MB in the beginning and 1.2 GB in the end (delta: -189.0 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 3.94 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. 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: 1726]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseAnd at line 1444. 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 ssl3_accept(s) VAL [init=1, SSLv3_server_data={24590:0}] [L1080] BUF_MEM *buf ; [L1081] unsigned long l ; [L1082] unsigned long Time ; [L1083] unsigned long tmp ; [L1084] void (*cb)() ; [L1085] long num1 ; [L1086] int ret ; [L1087] int new_state ; [L1088] int state ; [L1089] int skip ; [L1090] int got_new_session ; [L1091] int tmp___1 = __VERIFIER_nondet_int() ; [L1092] int tmp___2 = __VERIFIER_nondet_int() ; [L1093] int tmp___3 = __VERIFIER_nondet_int() ; [L1094] int tmp___4 = __VERIFIER_nondet_int() ; [L1095] int tmp___5 = __VERIFIER_nondet_int() ; [L1096] int tmp___6 = __VERIFIER_nondet_int() ; [L1097] int tmp___7 ; [L1098] long tmp___8 = __VERIFIER_nondet_long() ; [L1099] int tmp___9 = __VERIFIER_nondet_int() ; [L1100] int tmp___10 = __VERIFIER_nondet_int() ; [L1101] int blastFlag ; [L1105] CALL s->state = 8464 [L1105] RET s->state = 8464 [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] tmp = __VERIFIER_nondet_int() [L1110] Time = tmp [L1111] cb = (void (*)())((void *)0) [L1112] ret = -1 [L1113] skip = 0 [L1114] got_new_session = 0 [L1115] CALL, EXPR s->info_callback [L1115] RET, EXPR s->info_callback [L1115] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1116] CALL, EXPR s->info_callback [L1116] RET, EXPR s->info_callback [L1116] cb = s->info_callback [L1120] CALL, EXPR s->in_handshake [L1120] RET, EXPR s->in_handshake [L1120] CALL s->in_handshake += 1 [L1120] RET s->in_handshake += 1 [L1121] COND FALSE !(tmp___1 & 12288) VAL [init=1, SSLv3_server_data={24590:0}] [L1130] CALL, EXPR s->cert [L1130] RET, EXPR s->cert [L1130] COND FALSE !((unsigned long )s->cert == (unsigned long )((void *)0)) [L1136] COND TRUE 1 VAL [init=1, SSLv3_server_data={24590:0}] [L1138] CALL, EXPR s->state [L1138] RET, EXPR s->state [L1138] state = s->state [L1139] CALL, EXPR s->state [L1139] RET, EXPR s->state [L1139] COND FALSE !(s->state == 12292) [L1142] CALL, EXPR s->state [L1142] RET, EXPR s->state [L1142] COND FALSE !(s->state == 16384) [L1145] CALL, EXPR s->state [L1145] RET, EXPR s->state [L1145] COND FALSE !(s->state == 8192) [L1148] CALL, EXPR s->state [L1148] RET, EXPR s->state [L1148] COND FALSE !(s->state == 24576) [L1151] CALL, EXPR s->state [L1151] RET, EXPR s->state [L1151] COND FALSE !(s->state == 8195) [L1154] CALL, EXPR s->state [L1154] RET, EXPR s->state [L1154] COND FALSE !(s->state == 8480) [L1157] CALL, EXPR s->state [L1157] RET, EXPR s->state [L1157] COND FALSE !(s->state == 8481) [L1160] CALL, EXPR s->state [L1160] RET, EXPR s->state [L1160] COND FALSE !(s->state == 8482) [L1163] CALL, EXPR s->state [L1163] RET, EXPR s->state [L1163] COND TRUE s->state == 8464 [L1323] CALL s->shutdown = 0 [L1323] RET s->shutdown = 0 [L1324] ret = __VERIFIER_nondet_int() [L1325] COND TRUE blastFlag == 0 [L1326] blastFlag = 1 VAL [init=1, SSLv3_server_data={24590:0}] [L1330] COND FALSE !(ret <= 0) [L1335] got_new_session = 1 [L1336] CALL s->state = 8496 [L1336] RET s->state = 8496 [L1337] CALL s->init_num = 0 [L1337] RET s->init_num = 0 [L1685] CALL, EXPR s->s3 [L1685] RET, EXPR s->s3 [L1685] CALL, EXPR (s->s3)->tmp.reuse_message [L1685] RET, EXPR (s->s3)->tmp.reuse_message [L1685] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1714] skip = 0 VAL [init=1, SSLv3_server_data={24590:0}] [L1136] COND TRUE 1 VAL [init=1, SSLv3_server_data={24590:0}] [L1138] CALL, EXPR s->state [L1138] RET, EXPR s->state [L1138] state = s->state [L1139] CALL, EXPR s->state [L1139] RET, EXPR s->state [L1139] COND FALSE !(s->state == 12292) [L1142] CALL, EXPR s->state [L1142] RET, EXPR s->state [L1142] COND FALSE !(s->state == 16384) [L1145] CALL, EXPR s->state [L1145] RET, EXPR s->state [L1145] COND FALSE !(s->state == 8192) [L1148] CALL, EXPR s->state [L1148] RET, EXPR s->state [L1148] COND FALSE !(s->state == 24576) [L1151] CALL, EXPR s->state [L1151] RET, EXPR s->state [L1151] COND FALSE !(s->state == 8195) [L1154] CALL, EXPR s->state [L1154] RET, EXPR s->state [L1154] COND FALSE !(s->state == 8480) [L1157] CALL, EXPR s->state [L1157] RET, EXPR s->state [L1157] COND FALSE !(s->state == 8481) [L1160] CALL, EXPR s->state [L1160] RET, EXPR s->state [L1160] COND FALSE !(s->state == 8482) [L1163] CALL, EXPR s->state [L1163] RET, EXPR s->state [L1163] COND FALSE !(s->state == 8464) [L1166] CALL, EXPR s->state [L1166] RET, EXPR s->state [L1166] COND FALSE !(s->state == 8465) [L1169] CALL, EXPR s->state [L1169] RET, EXPR s->state [L1169] COND FALSE !(s->state == 8466) [L1172] CALL, EXPR s->state [L1172] RET, EXPR s->state [L1172] COND TRUE s->state == 8496 [L1341] ret = __VERIFIER_nondet_int() [L1342] COND TRUE blastFlag == 1 [L1343] blastFlag = 2 VAL [init=1, SSLv3_server_data={24590:0}] [L1347] COND FALSE !(ret <= 0) [L1352] CALL s->hit [L1352] RET s->hit [L1352] COND FALSE !(s->hit) [L1355] CALL s->state = 8512 [L1355] RET s->state = 8512 [L1357] CALL s->init_num = 0 [L1357] RET s->init_num = 0 [L1685] CALL, EXPR s->s3 [L1685] RET, EXPR s->s3 [L1685] CALL, EXPR (s->s3)->tmp.reuse_message [L1685] RET, EXPR (s->s3)->tmp.reuse_message [L1685] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1714] skip = 0 VAL [init=1, SSLv3_server_data={24590:0}] [L1136] COND TRUE 1 VAL [init=1, SSLv3_server_data={24590:0}] [L1138] CALL, EXPR s->state [L1138] RET, EXPR s->state [L1138] state = s->state [L1139] CALL, EXPR s->state [L1139] RET, EXPR s->state [L1139] COND FALSE !(s->state == 12292) [L1142] CALL, EXPR s->state [L1142] RET, EXPR s->state [L1142] COND FALSE !(s->state == 16384) [L1145] CALL, EXPR s->state [L1145] RET, EXPR s->state [L1145] COND FALSE !(s->state == 8192) [L1148] CALL, EXPR s->state [L1148] RET, EXPR s->state [L1148] COND FALSE !(s->state == 24576) [L1151] CALL, EXPR s->state [L1151] RET, EXPR s->state [L1151] COND FALSE !(s->state == 8195) [L1154] CALL, EXPR s->state [L1154] RET, EXPR s->state [L1154] COND FALSE !(s->state == 8480) [L1157] CALL, EXPR s->state [L1157] RET, EXPR s->state [L1157] COND FALSE !(s->state == 8481) [L1160] CALL, EXPR s->state [L1160] RET, EXPR s->state [L1160] COND FALSE !(s->state == 8482) [L1163] CALL, EXPR s->state [L1163] RET, EXPR s->state [L1163] COND FALSE !(s->state == 8464) [L1166] CALL, EXPR s->state [L1166] RET, EXPR s->state [L1166] COND FALSE !(s->state == 8465) [L1169] CALL, EXPR s->state [L1169] RET, EXPR s->state [L1169] COND FALSE !(s->state == 8466) [L1172] CALL, EXPR s->state [L1172] RET, EXPR s->state [L1172] COND FALSE !(s->state == 8496) [L1175] CALL, EXPR s->state [L1175] RET, EXPR s->state [L1175] COND FALSE !(s->state == 8497) [L1178] CALL, EXPR s->state [L1178] RET, EXPR s->state [L1178] COND TRUE s->state == 8512 [L1361] CALL, EXPR s->s3 [L1361] RET, EXPR s->s3 [L1361] CALL, EXPR (s->s3)->tmp.new_cipher [L1361] RET, EXPR (s->s3)->tmp.new_cipher [L1361] CALL, EXPR ((s->s3)->tmp.new_cipher)->algorithms [L1361] RET, EXPR ((s->s3)->tmp.new_cipher)->algorithms [L1361] COND FALSE !(((s->s3)->tmp.new_cipher)->algorithms & 256UL) [L1364] ret = __VERIFIER_nondet_int() [L1365] COND TRUE blastFlag == 2 [L1366] blastFlag = 6 VAL [init=1, SSLv3_server_data={24590:0}] [L1370] COND FALSE !(ret <= 0) VAL [init=1, SSLv3_server_data={24590:0}] [L1376] CALL s->state = 8528 [L1376] RET s->state = 8528 [L1377] CALL s->init_num = 0 [L1377] RET s->init_num = 0 [L1685] CALL, EXPR s->s3 [L1685] RET, EXPR s->s3 [L1685] CALL, EXPR (s->s3)->tmp.reuse_message [L1685] RET, EXPR (s->s3)->tmp.reuse_message [L1685] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1714] skip = 0 VAL [init=1, SSLv3_server_data={24590:0}] [L1136] COND TRUE 1 VAL [init=1, SSLv3_server_data={24590:0}] [L1138] CALL, EXPR s->state [L1138] RET, EXPR s->state [L1138] state = s->state [L1139] CALL, EXPR s->state [L1139] RET, EXPR s->state [L1139] COND FALSE !(s->state == 12292) [L1142] CALL, EXPR s->state [L1142] RET, EXPR s->state [L1142] COND FALSE !(s->state == 16384) [L1145] CALL, EXPR s->state [L1145] RET, EXPR s->state [L1145] COND FALSE !(s->state == 8192) [L1148] CALL, EXPR s->state [L1148] RET, EXPR s->state [L1148] COND FALSE !(s->state == 24576) [L1151] CALL, EXPR s->state [L1151] RET, EXPR s->state [L1151] COND FALSE !(s->state == 8195) [L1154] CALL, EXPR s->state [L1154] RET, EXPR s->state [L1154] COND FALSE !(s->state == 8480) [L1157] CALL, EXPR s->state [L1157] RET, EXPR s->state [L1157] COND FALSE !(s->state == 8481) [L1160] CALL, EXPR s->state [L1160] RET, EXPR s->state [L1160] COND FALSE !(s->state == 8482) [L1163] CALL, EXPR s->state [L1163] RET, EXPR s->state [L1163] COND FALSE !(s->state == 8464) [L1166] CALL, EXPR s->state [L1166] RET, EXPR s->state [L1166] COND FALSE !(s->state == 8465) [L1169] CALL, EXPR s->state [L1169] RET, EXPR s->state [L1169] COND FALSE !(s->state == 8466) [L1172] CALL, EXPR s->state [L1172] RET, EXPR s->state [L1172] COND FALSE !(s->state == 8496) [L1175] CALL, EXPR s->state [L1175] RET, EXPR s->state [L1175] COND FALSE !(s->state == 8497) [L1178] CALL, EXPR s->state [L1178] RET, EXPR s->state [L1178] COND FALSE !(s->state == 8512) [L1181] CALL, EXPR s->state [L1181] RET, EXPR s->state [L1181] COND FALSE !(s->state == 8513) [L1184] CALL, EXPR s->state [L1184] RET, EXPR s->state [L1184] COND TRUE s->state == 8528 [L1381] CALL, EXPR s->s3 [L1381] RET, EXPR s->s3 [L1381] CALL, EXPR (s->s3)->tmp.new_cipher [L1381] RET, EXPR (s->s3)->tmp.new_cipher [L1381] CALL, EXPR ((s->s3)->tmp.new_cipher)->algorithms [L1381] RET, EXPR ((s->s3)->tmp.new_cipher)->algorithms [L1381] l = ((s->s3)->tmp.new_cipher)->algorithms [L1382] CALL, EXPR s->options [L1382] RET, EXPR s->options [L1382] COND TRUE s->options & 2097152UL [L1383] CALL, EXPR s->s3 [L1383] RET, EXPR s->s3 [L1383] CALL (s->s3)->tmp.use_rsa_tmp = 1 [L1383] RET (s->s3)->tmp.use_rsa_tmp = 1 [L1387] CALL, EXPR s->s3 [L1387] RET, EXPR s->s3 [L1387] CALL (s->s3)->tmp.use_rsa_tmp [L1387] RET (s->s3)->tmp.use_rsa_tmp [L1387] COND TRUE (s->s3)->tmp.use_rsa_tmp [L1405] ret = __VERIFIER_nondet_int() [L1406] COND TRUE blastFlag == 6 [L1407] blastFlag = 7 VAL [init=1, SSLv3_server_data={24590:0}] [L1411] COND FALSE !(ret <= 0) VAL [init=1, SSLv3_server_data={24590:0}] [L1428] CALL s->state = 8544 [L1428] RET s->state = 8544 [L1429] CALL s->init_num = 0 [L1429] RET s->init_num = 0 [L1685] CALL, EXPR s->s3 [L1685] RET, EXPR s->s3 [L1685] CALL, EXPR (s->s3)->tmp.reuse_message [L1685] RET, EXPR (s->s3)->tmp.reuse_message [L1685] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1714] skip = 0 VAL [init=1, SSLv3_server_data={24590:0}] [L1136] COND TRUE 1 VAL [init=1, SSLv3_server_data={24590:0}] [L1138] CALL, EXPR s->state [L1138] RET, EXPR s->state [L1138] state = s->state [L1139] CALL, EXPR s->state [L1139] RET, EXPR s->state [L1139] COND FALSE !(s->state == 12292) [L1142] CALL, EXPR s->state [L1142] RET, EXPR s->state [L1142] COND FALSE !(s->state == 16384) [L1145] CALL, EXPR s->state [L1145] RET, EXPR s->state [L1145] COND FALSE !(s->state == 8192) [L1148] CALL, EXPR s->state [L1148] RET, EXPR s->state [L1148] COND FALSE !(s->state == 24576) [L1151] CALL, EXPR s->state [L1151] RET, EXPR s->state [L1151] COND FALSE !(s->state == 8195) [L1154] CALL, EXPR s->state [L1154] RET, EXPR s->state [L1154] COND FALSE !(s->state == 8480) [L1157] CALL, EXPR s->state [L1157] RET, EXPR s->state [L1157] COND FALSE !(s->state == 8481) [L1160] CALL, EXPR s->state [L1160] RET, EXPR s->state [L1160] COND FALSE !(s->state == 8482) [L1163] CALL, EXPR s->state [L1163] RET, EXPR s->state [L1163] COND FALSE !(s->state == 8464) [L1166] CALL, EXPR s->state [L1166] RET, EXPR s->state [L1166] COND FALSE !(s->state == 8465) [L1169] CALL, EXPR s->state [L1169] RET, EXPR s->state [L1169] COND FALSE !(s->state == 8466) [L1172] CALL, EXPR s->state [L1172] RET, EXPR s->state [L1172] COND FALSE !(s->state == 8496) [L1175] CALL, EXPR s->state [L1175] RET, EXPR s->state [L1175] COND FALSE !(s->state == 8497) [L1178] CALL, EXPR s->state [L1178] RET, EXPR s->state [L1178] COND FALSE !(s->state == 8512) [L1181] CALL, EXPR s->state [L1181] RET, EXPR s->state [L1181] COND FALSE !(s->state == 8513) [L1184] CALL, EXPR s->state [L1184] RET, EXPR s->state [L1184] COND FALSE !(s->state == 8528) [L1187] CALL, EXPR s->state [L1187] RET, EXPR s->state [L1187] COND FALSE !(s->state == 8529) [L1190] CALL, EXPR s->state [L1190] RET, EXPR s->state [L1190] COND TRUE s->state == 8544 [L1433] CALL, EXPR s->verify_mode [L1433] RET, EXPR s->verify_mode [L1433] COND TRUE s->verify_mode & 1 [L1434] CALL, EXPR s->session [L1434] RET, EXPR s->session [L1434] CALL, EXPR (s->session)->peer [L1434] RET, EXPR (s->session)->peer [L1434] COND FALSE !((unsigned long )(s->session)->peer != (unsigned long )((void *)0)) [L1444] CALL, EXPR s->s3 [L1444] RET, EXPR s->s3 [L1444] CALL, EXPR (s->s3)->tmp.new_cipher [L1444] RET, EXPR (s->s3)->tmp.new_cipher [L1444] CALL, EXPR ((s->s3)->tmp.new_cipher)->algorithms [L1444] RET, EXPR ((s->s3)->tmp.new_cipher)->algorithms [L1444] COND FALSE !(((s->s3)->tmp.new_cipher)->algorithms & 256UL) [L1454] CALL, EXPR s->s3 [L1454] RET, EXPR s->s3 [L1454] CALL (s->s3)->tmp.cert_request = 1 [L1454] RET (s->s3)->tmp.cert_request = 1 [L1455] ret = __VERIFIER_nondet_int() [L1456] COND TRUE blastFlag == 7 VAL [init=1, SSLv3_server_data={24590:0}] [L1726] __VERIFIER_error() VAL [init=1, SSLv3_server_data={24590:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 160 locations, 1 error locations. UNSAFE Result, 2.8s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 1.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2190 SDtfs, 1175 SDslu, 1865 SDs, 0 SdLazy, 723 SolverSat, 123 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1227occurred in iteration=9, 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, 9 MinimizatonAttempts, 766 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 1028 NumberOfCodeBlocks, 1028 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 881 ConstructedInterpolants, 0 QuantifiedInterpolants, 175190 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 706/706 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 [2018-11-10 03:20:46,120 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 03:20:46,121 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 03:20:46,130 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 03:20:46,130 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 03:20:46,130 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 03:20:46,131 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 03:20:46,132 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 03:20:46,133 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 03:20:46,134 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 03:20:46,135 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 03:20:46,135 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 03:20:46,135 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 03:20:46,136 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 03:20:46,136 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 03:20:46,137 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 03:20:46,138 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 03:20:46,139 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 03:20:46,140 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 03:20:46,141 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 03:20:46,142 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 03:20:46,142 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 03:20:46,144 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 03:20:46,144 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 03:20:46,144 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 03:20:46,145 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 03:20:46,145 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 03:20:46,146 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 03:20:46,146 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 03:20:46,147 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 03:20:46,147 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 03:20:46,148 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 03:20:46,148 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 03:20:46,148 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 03:20:46,149 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 03:20:46,149 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 03:20:46,149 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f2dd5ab6-80a6-45f3-882f-32eb464f15dd/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-10 03:20:46,159 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 03:20:46,159 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 03:20:46,160 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 03:20:46,160 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 03:20:46,160 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 03:20:46,160 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 03:20:46,160 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 03:20:46,160 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 03:20:46,161 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 03:20:46,161 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 03:20:46,161 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 03:20:46,161 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 03:20:46,161 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 03:20:46,162 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 03:20:46,162 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 03:20:46,162 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 03:20:46,162 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 03:20:46,162 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 03:20:46,162 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 03:20:46,162 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 03:20:46,163 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 03:20:46,163 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 03:20:46,163 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 03:20:46,163 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 03:20:46,163 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 03:20:46,163 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 03:20:46,163 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 03:20:46,163 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 03:20:46,164 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 03:20:46,164 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 03:20:46,164 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 03:20:46,164 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 03:20:46,164 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_f2dd5ab6-80a6-45f3-882f-32eb464f15dd/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 -> 0d6ad3f0294acf0e7c3fc00758f9075ea20494f3 [2018-11-10 03:20:46,193 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 03:20:46,202 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 03:20:46,204 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 03:20:46,205 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 03:20:46,206 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 03:20:46,206 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f2dd5ab6-80a6-45f3-882f-32eb464f15dd/bin-2019/utaipan/../../sv-benchmarks/c/ssh/s3_srvr.blast.11_false-unreach-call.i.cil.c [2018-11-10 03:20:46,244 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f2dd5ab6-80a6-45f3-882f-32eb464f15dd/bin-2019/utaipan/data/cdd7c7c97/41becea527574165b00f976f650697a9/FLAG48720e5e9 [2018-11-10 03:20:46,640 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 03:20:46,640 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f2dd5ab6-80a6-45f3-882f-32eb464f15dd/sv-benchmarks/c/ssh/s3_srvr.blast.11_false-unreach-call.i.cil.c [2018-11-10 03:20:46,653 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f2dd5ab6-80a6-45f3-882f-32eb464f15dd/bin-2019/utaipan/data/cdd7c7c97/41becea527574165b00f976f650697a9/FLAG48720e5e9 [2018-11-10 03:20:46,665 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f2dd5ab6-80a6-45f3-882f-32eb464f15dd/bin-2019/utaipan/data/cdd7c7c97/41becea527574165b00f976f650697a9 [2018-11-10 03:20:46,667 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 03:20:46,668 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 03:20:46,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 03:20:46,669 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 03:20:46,672 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 03:20:46,673 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:20:46" (1/1) ... [2018-11-10 03:20:46,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@98dadd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:20:46, skipping insertion in model container [2018-11-10 03:20:46,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:20:46" (1/1) ... [2018-11-10 03:20:46,681 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 03:20:46,727 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 03:20:47,232 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:20:47,243 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 03:20:47,421 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:20:47,436 INFO L193 MainTranslator]: Completed translation [2018-11-10 03:20:47,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:20:47 WrapperNode [2018-11-10 03:20:47,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 03:20:47,438 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 03:20:47,438 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 03:20:47,438 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 03:20:47,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:20:47" (1/1) ... [2018-11-10 03:20:47,514 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:20:47" (1/1) ... [2018-11-10 03:20:47,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 03:20:47,554 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 03:20:47,554 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 03:20:47,554 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 03:20:47,562 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:20:47" (1/1) ... [2018-11-10 03:20:47,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:20:47" (1/1) ... [2018-11-10 03:20:47,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:20:47" (1/1) ... [2018-11-10 03:20:47,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:20:47" (1/1) ... [2018-11-10 03:20:47,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:20:47" (1/1) ... [2018-11-10 03:20:47,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:20:47" (1/1) ... [2018-11-10 03:20:47,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:20:47" (1/1) ... [2018-11-10 03:20:47,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 03:20:47,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 03:20:47,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 03:20:47,620 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 03:20:47,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:20:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f2dd5ab6-80a6-45f3-882f-32eb464f15dd/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 03:20:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 03:20:47,666 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 03:20:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2018-11-10 03:20:47,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2018-11-10 03:20:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 03:20:47,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 03:20:47,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 03:20:47,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 03:20:50,108 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 03:20:50,108 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 03:20:50,927 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 03:20:50,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:20:50 BoogieIcfgContainer [2018-11-10 03:20:50,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 03:20:50,928 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 03:20:50,929 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 03:20:50,931 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 03:20:50,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 03:20:46" (1/3) ... [2018-11-10 03:20:50,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c7fbc04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:20:50, skipping insertion in model container [2018-11-10 03:20:50,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:20:47" (2/3) ... [2018-11-10 03:20:50,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c7fbc04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:20:50, skipping insertion in model container [2018-11-10 03:20:50,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:20:50" (3/3) ... [2018-11-10 03:20:50,934 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.11_false-unreach-call.i.cil.c [2018-11-10 03:20:50,942 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 03:20:50,948 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 03:20:50,958 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 03:20:50,980 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 03:20:50,980 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 03:20:50,981 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 03:20:50,981 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 03:20:50,981 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 03:20:50,981 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 03:20:50,981 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 03:20:50,981 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 03:20:50,981 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 03:20:50,993 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2018-11-10 03:20:50,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-10 03:20:50,998 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:20:50,999 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] [2018-11-10 03:20:51,001 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:20:51,004 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:20:51,004 INFO L82 PathProgramCache]: Analyzing trace with hash 661829922, now seen corresponding path program 1 times [2018-11-10 03:20:51,007 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 03:20:51,007 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f2dd5ab6-80a6-45f3-882f-32eb464f15dd/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 [2018-11-10 03:20:51,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:20:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:20:51,138 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:20:51,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:20:51,168 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 03:20:51,172 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:20:51,172 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 03:20:51,175 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 03:20:51,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 03:20:51,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 03:20:51,185 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 3 states. [2018-11-10 03:20:51,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:20:51,299 INFO L93 Difference]: Finished difference Result 438 states and 739 transitions. [2018-11-10 03:20:51,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 03:20:51,304 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2018-11-10 03:20:51,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:20:51,315 INFO L225 Difference]: With dead ends: 438 [2018-11-10 03:20:51,316 INFO L226 Difference]: Without dead ends: 267 [2018-11-10 03:20:51,319 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 03:20:51,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2018-11-10 03:20:51,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 267. [2018-11-10 03:20:51,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2018-11-10 03:20:51,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 399 transitions. [2018-11-10 03:20:51,362 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 399 transitions. Word has length 42 [2018-11-10 03:20:51,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:20:51,362 INFO L481 AbstractCegarLoop]: Abstraction has 267 states and 399 transitions. [2018-11-10 03:20:51,362 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 03:20:51,363 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 399 transitions. [2018-11-10 03:20:51,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-10 03:20:51,365 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:20:51,365 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] [2018-11-10 03:20:51,366 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:20:51,366 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:20:51,366 INFO L82 PathProgramCache]: Analyzing trace with hash 233986428, now seen corresponding path program 1 times [2018-11-10 03:20:51,368 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 03:20:51,368 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f2dd5ab6-80a6-45f3-882f-32eb464f15dd/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 [2018-11-10 03:20:51,389 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:20:51,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:20:51,526 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:20:51,540 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:20:51,540 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 03:20:51,543 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:20:51,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 03:20:51,545 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 03:20:51,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 03:20:51,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 03:20:51,545 INFO L87 Difference]: Start difference. First operand 267 states and 399 transitions. Second operand 3 states. [2018-11-10 03:20:51,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:20:51,644 INFO L93 Difference]: Finished difference Result 518 states and 788 transitions. [2018-11-10 03:20:51,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 03:20:51,645 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-11-10 03:20:51,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:20:51,648 INFO L225 Difference]: With dead ends: 518 [2018-11-10 03:20:51,648 INFO L226 Difference]: Without dead ends: 390 [2018-11-10 03:20:51,649 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 03:20:51,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2018-11-10 03:20:51,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 390. [2018-11-10 03:20:51,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2018-11-10 03:20:51,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 581 transitions. [2018-11-10 03:20:51,671 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 581 transitions. Word has length 60 [2018-11-10 03:20:51,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:20:51,671 INFO L481 AbstractCegarLoop]: Abstraction has 390 states and 581 transitions. [2018-11-10 03:20:51,672 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 03:20:51,672 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 581 transitions. [2018-11-10 03:20:51,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-10 03:20:51,675 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:20:51,675 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] [2018-11-10 03:20:51,676 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:20:51,676 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:20:51,676 INFO L82 PathProgramCache]: Analyzing trace with hash 540992405, now seen corresponding path program 1 times [2018-11-10 03:20:51,677 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 03:20:51,677 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f2dd5ab6-80a6-45f3-882f-32eb464f15dd/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 [2018-11-10 03:20:51,703 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:20:51,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:20:51,885 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:20:51,921 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 03:20:51,921 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 03:20:51,925 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:20:51,925 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 03:20:51,926 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 03:20:51,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 03:20:51,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 03:20:51,926 INFO L87 Difference]: Start difference. First operand 390 states and 581 transitions. Second operand 3 states. [2018-11-10 03:20:52,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:20:52,020 INFO L93 Difference]: Finished difference Result 764 states and 1153 transitions. [2018-11-10 03:20:52,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 03:20:52,021 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2018-11-10 03:20:52,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:20:52,023 INFO L225 Difference]: With dead ends: 764 [2018-11-10 03:20:52,023 INFO L226 Difference]: Without dead ends: 513 [2018-11-10 03:20:52,025 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 03:20:52,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2018-11-10 03:20:52,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 513. [2018-11-10 03:20:52,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 513 states. [2018-11-10 03:20:52,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 764 transitions. [2018-11-10 03:20:52,041 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 764 transitions. Word has length 83 [2018-11-10 03:20:52,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:20:52,041 INFO L481 AbstractCegarLoop]: Abstraction has 513 states and 764 transitions. [2018-11-10 03:20:52,041 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 03:20:52,041 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 764 transitions. [2018-11-10 03:20:52,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-10 03:20:52,045 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:20:52,045 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2018-11-10 03:20:52,045 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:20:52,046 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:20:52,046 INFO L82 PathProgramCache]: Analyzing trace with hash -2108182396, now seen corresponding path program 1 times [2018-11-10 03:20:52,047 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 03:20:52,047 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f2dd5ab6-80a6-45f3-882f-32eb464f15dd/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 [2018-11-10 03:20:52,067 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:20:52,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:20:52,226 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:20:52,243 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-10 03:20:52,244 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 03:20:52,247 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:20:52,247 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 03:20:52,248 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 03:20:52,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 03:20:52,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 03:20:52,248 INFO L87 Difference]: Start difference. First operand 513 states and 764 transitions. Second operand 3 states. [2018-11-10 03:20:52,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:20:52,316 INFO L93 Difference]: Finished difference Result 1012 states and 1521 transitions. [2018-11-10 03:20:52,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 03:20:52,317 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2018-11-10 03:20:52,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:20:52,320 INFO L225 Difference]: With dead ends: 1012 [2018-11-10 03:20:52,321 INFO L226 Difference]: Without dead ends: 638 [2018-11-10 03:20:52,322 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 03:20:52,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2018-11-10 03:20:52,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 638. [2018-11-10 03:20:52,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 638 states. [2018-11-10 03:20:52,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 949 transitions. [2018-11-10 03:20:52,335 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 949 transitions. Word has length 108 [2018-11-10 03:20:52,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:20:52,335 INFO L481 AbstractCegarLoop]: Abstraction has 638 states and 949 transitions. [2018-11-10 03:20:52,335 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 03:20:52,335 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 949 transitions. [2018-11-10 03:20:52,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-10 03:20:52,337 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:20:52,337 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, 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] [2018-11-10 03:20:52,337 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:20:52,337 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:20:52,338 INFO L82 PathProgramCache]: Analyzing trace with hash -2014675063, now seen corresponding path program 1 times [2018-11-10 03:20:52,338 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 03:20:52,338 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f2dd5ab6-80a6-45f3-882f-32eb464f15dd/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 [2018-11-10 03:20:52,354 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:20:52,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:20:52,497 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:20:52,522 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-10 03:20:52,522 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 03:20:52,524 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:20:52,524 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 03:20:52,524 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 03:20:52,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 03:20:52,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 03:20:52,525 INFO L87 Difference]: Start difference. First operand 638 states and 949 transitions. Second operand 3 states. [2018-11-10 03:20:52,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:20:52,584 INFO L93 Difference]: Finished difference Result 1260 states and 1888 transitions. [2018-11-10 03:20:52,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 03:20:52,585 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2018-11-10 03:20:52,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:20:52,587 INFO L225 Difference]: With dead ends: 1260 [2018-11-10 03:20:52,588 INFO L226 Difference]: Without dead ends: 761 [2018-11-10 03:20:52,589 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 03:20:52,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2018-11-10 03:20:52,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 761. [2018-11-10 03:20:52,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 761 states. [2018-11-10 03:20:52,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 761 states and 1131 transitions. [2018-11-10 03:20:52,607 INFO L78 Accepts]: Start accepts. Automaton has 761 states and 1131 transitions. Word has length 125 [2018-11-10 03:20:52,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:20:52,607 INFO L481 AbstractCegarLoop]: Abstraction has 761 states and 1131 transitions. [2018-11-10 03:20:52,607 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 03:20:52,607 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 1131 transitions. [2018-11-10 03:20:52,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-10 03:20:52,609 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:20:52,609 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 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, 1] [2018-11-10 03:20:52,610 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:20:52,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:20:52,610 INFO L82 PathProgramCache]: Analyzing trace with hash 483748542, now seen corresponding path program 1 times [2018-11-10 03:20:52,610 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 03:20:52,611 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f2dd5ab6-80a6-45f3-882f-32eb464f15dd/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 [2018-11-10 03:20:52,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:20:54,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:20:54,653 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:20:54,688 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 11 treesize of output 8 [2018-11-10 03:20:54,691 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 8 treesize of output 7 [2018-11-10 03:20:54,691 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 03:20:54,695 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:20:54,706 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 11 treesize of output 8 [2018-11-10 03:20:54,708 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 8 treesize of output 7 [2018-11-10 03:20:54,708 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-10 03:20:54,710 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:20:54,715 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:20:54,715 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:23, output treesize:1 [2018-11-10 03:20:54,725 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 15 treesize of output 12 [2018-11-10 03:20:54,730 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 12 treesize of output 1 [2018-11-10 03:20:54,730 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 03:20:54,735 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:20:54,743 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 15 treesize of output 12 [2018-11-10 03:20:54,746 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 12 treesize of output 1 [2018-11-10 03:20:54,746 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-10 03:20:54,747 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:20:54,747 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:20:54,748 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:31, output treesize:1 [2018-11-10 03:20:54,767 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 31 treesize of output 22 [2018-11-10 03:20:54,772 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 22 treesize of output 21 [2018-11-10 03:20:54,773 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 03:20:54,790 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:20:54,793 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:20:54,794 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:31, output treesize:21 [2018-11-10 03:20:54,809 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 43 treesize of output 27 [2018-11-10 03:20:54,813 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 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 27 treesize of output 3 [2018-11-10 03:20:54,813 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 03:20:54,815 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:20:54,818 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:20:54,818 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:43, output treesize:3 [2018-11-10 03:20:54,840 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-10 03:20:54,840 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 03:20:54,847 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:20:54,847 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 03:20:54,848 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 03:20:54,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 03:20:54,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 03:20:54,848 INFO L87 Difference]: Start difference. First operand 761 states and 1131 transitions. Second operand 4 states. [2018-11-10 03:20:57,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:20:57,319 INFO L93 Difference]: Finished difference Result 1579 states and 2359 transitions. [2018-11-10 03:20:57,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 03:20:57,328 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 138 [2018-11-10 03:20:57,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:20:57,330 INFO L225 Difference]: With dead ends: 1579 [2018-11-10 03:20:57,331 INFO L226 Difference]: Without dead ends: 832 [2018-11-10 03:20:57,332 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 03:20:57,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2018-11-10 03:20:57,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 773. [2018-11-10 03:20:57,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 773 states. [2018-11-10 03:20:57,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 773 states and 1143 transitions. [2018-11-10 03:20:57,351 INFO L78 Accepts]: Start accepts. Automaton has 773 states and 1143 transitions. Word has length 138 [2018-11-10 03:20:57,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:20:57,351 INFO L481 AbstractCegarLoop]: Abstraction has 773 states and 1143 transitions. [2018-11-10 03:20:57,351 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 03:20:57,351 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 1143 transitions. [2018-11-10 03:20:57,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-10 03:20:57,354 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:20:57,354 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 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, 1] [2018-11-10 03:20:57,354 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:20:57,354 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:20:57,354 INFO L82 PathProgramCache]: Analyzing trace with hash -1965851588, now seen corresponding path program 1 times [2018-11-10 03:20:57,355 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 03:20:57,355 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f2dd5ab6-80a6-45f3-882f-32eb464f15dd/bin-2019/utaipan/cvc4nyu Starting monitored process 8 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 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 03:20:57,378 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:20:58,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:20:59,010 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 03:20:59,042 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 [2018-11-10 03:20:59,044 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 [2018-11-10 03:20:59,044 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 03:20:59,046 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:20:59,051 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:20:59,051 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:17, output treesize:13 [2018-11-10 03:20:59,067 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 [2018-11-10 03:20:59,070 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 03:20:59,072 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 [2018-11-10 03:20:59,072 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 03:20:59,078 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:20:59,086 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:20:59,086 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:13 [2018-11-10 03:20:59,090 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 17 treesize of output 13 [2018-11-10 03:20:59,092 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 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 13 treesize of output 5 [2018-11-10 03:20:59,092 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 03:20:59,093 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:20:59,095 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 03:20:59,095 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:5 [2018-11-10 03:20:59,127 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-10 03:20:59,127 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 03:20:59,132 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:20:59,132 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 03:20:59,132 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 03:20:59,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 03:20:59,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-10 03:20:59,133 INFO L87 Difference]: Start difference. First operand 773 states and 1143 transitions. Second operand 7 states. [2018-11-10 03:21:02,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:21:02,334 INFO L93 Difference]: Finished difference Result 2181 states and 3236 transitions. [2018-11-10 03:21:02,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 03:21:02,335 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 138 [2018-11-10 03:21:02,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:21:02,339 INFO L225 Difference]: With dead ends: 2181 [2018-11-10 03:21:02,339 INFO L226 Difference]: Without dead ends: 1422 [2018-11-10 03:21:02,341 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-10 03:21:02,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1422 states. [2018-11-10 03:21:02,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1422 to 934. [2018-11-10 03:21:02,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 934 states. [2018-11-10 03:21:02,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 934 states and 1412 transitions. [2018-11-10 03:21:02,375 INFO L78 Accepts]: Start accepts. Automaton has 934 states and 1412 transitions. Word has length 138 [2018-11-10 03:21:02,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:21:02,375 INFO L481 AbstractCegarLoop]: Abstraction has 934 states and 1412 transitions. [2018-11-10 03:21:02,375 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 03:21:02,375 INFO L276 IsEmpty]: Start isEmpty. Operand 934 states and 1412 transitions. [2018-11-10 03:21:02,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-10 03:21:02,377 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:21:02,378 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 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, 1] [2018-11-10 03:21:02,378 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:21:02,378 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:21:02,378 INFO L82 PathProgramCache]: Analyzing trace with hash 1558382142, now seen corresponding path program 1 times [2018-11-10 03:21:02,379 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 03:21:02,379 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f2dd5ab6-80a6-45f3-882f-32eb464f15dd/bin-2019/utaipan/cvc4nyu Starting monitored process 9 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 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 03:21:02,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:21:05,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:21:09,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:21:09,995 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 03:21:10,014 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:21:10,015 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:21:10,015 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:21:10,015 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:21:10,016 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:21:10,016 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:21:10,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 03:21:10 BoogieIcfgContainer [2018-11-10 03:21:10,071 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 03:21:10,071 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 03:21:10,072 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 03:21:10,072 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 03:21:10,073 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:20:50" (3/4) ... [2018-11-10 03:21:10,075 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 03:21:10,079 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:21:10,079 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:21:10,079 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:21:10,080 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:21:10,080 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:21:10,080 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:21:10,152 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f2dd5ab6-80a6-45f3-882f-32eb464f15dd/bin-2019/utaipan/witness.graphml [2018-11-10 03:21:10,152 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 03:21:10,153 INFO L168 Benchmark]: Toolchain (without parser) took 23485.17 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 313.5 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -141.1 MB). Peak memory consumption was 172.4 MB. Max. memory is 11.5 GB. [2018-11-10 03:21:10,154 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-11-10 03:21:10,154 INFO L168 Benchmark]: CACSL2BoogieTranslator took 767.99 ms. Allocated memory is still 1.0 GB. Free memory was 944.4 MB in the beginning and 783.1 MB in the end (delta: 161.3 MB). Peak memory consumption was 161.3 MB. Max. memory is 11.5 GB. [2018-11-10 03:21:10,154 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 783.1 MB in the beginning and 1.1 GB in the end (delta: -336.0 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2018-11-10 03:21:10,154 INFO L168 Benchmark]: Boogie Preprocessor took 65.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. [2018-11-10 03:21:10,155 INFO L168 Benchmark]: RCFGBuilder took 3307.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 942.9 MB in the end (delta: 166.8 MB). Peak memory consumption was 166.8 MB. Max. memory is 11.5 GB. [2018-11-10 03:21:10,155 INFO L168 Benchmark]: TraceAbstraction took 19142.75 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 180.9 MB). Free memory was 942.9 MB in the beginning and 1.1 GB in the end (delta: -160.5 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2018-11-10 03:21:10,155 INFO L168 Benchmark]: Witness Printer took 80.93 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-11-10 03:21:10,157 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 767.99 ms. Allocated memory is still 1.0 GB. Free memory was 944.4 MB in the beginning and 783.1 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 116.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 783.1 MB in the beginning and 1.1 GB in the end (delta: -336.0 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 65.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3307.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 942.9 MB in the end (delta: 166.8 MB). Peak memory consumption was 166.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 19142.75 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 180.9 MB). Free memory was 942.9 MB in the beginning and 1.1 GB in the end (delta: -160.5 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Witness Printer took 80.93 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 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: 1726]: 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 ssl3_accept(s) VAL [init=1, SSLv3_server_data={1029767106:0}] [L1080] BUF_MEM *buf ; [L1081] unsigned long l ; [L1082] unsigned long Time ; [L1083] unsigned long tmp ; [L1084] void (*cb)() ; [L1085] long num1 ; [L1086] int ret ; [L1087] int new_state ; [L1088] int state ; [L1089] int skip ; [L1090] int got_new_session ; [L1091] int tmp___1 = __VERIFIER_nondet_int() ; [L1092] int tmp___2 = __VERIFIER_nondet_int() ; [L1093] int tmp___3 = __VERIFIER_nondet_int() ; [L1094] int tmp___4 = __VERIFIER_nondet_int() ; [L1095] int tmp___5 = __VERIFIER_nondet_int() ; [L1096] int tmp___6 = __VERIFIER_nondet_int() ; [L1097] int tmp___7 ; [L1098] long tmp___8 = __VERIFIER_nondet_long() ; [L1099] int tmp___9 = __VERIFIER_nondet_int() ; [L1100] int tmp___10 = __VERIFIER_nondet_int() ; [L1101] int blastFlag ; [L1105] CALL s->state = 8464 [L1105] RET s->state = 8464 [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] tmp = __VERIFIER_nondet_int() [L1110] Time = tmp [L1111] cb = (void (*)())((void *)0) [L1112] ret = -1 [L1113] skip = 0 [L1114] got_new_session = 0 [L1115] CALL, EXPR s->info_callback [L1115] RET, EXPR s->info_callback [L1115] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1116] CALL, EXPR s->info_callback [L1116] RET, EXPR s->info_callback [L1116] cb = s->info_callback [L1120] CALL, EXPR s->in_handshake [L1120] RET, EXPR s->in_handshake [L1120] CALL s->in_handshake += 1 [L1120] RET s->in_handshake += 1 [L1121] COND FALSE !(tmp___1 & 12288) VAL [init=1, SSLv3_server_data={1029767106:0}] [L1130] CALL, EXPR s->cert [L1130] RET, EXPR s->cert [L1130] COND FALSE !((unsigned long )s->cert == (unsigned long )((void *)0)) [L1136] COND TRUE 1 VAL [init=1, SSLv3_server_data={1029767106:0}] [L1138] CALL, EXPR s->state [L1138] RET, EXPR s->state [L1138] state = s->state [L1139] CALL, EXPR s->state [L1139] RET, EXPR s->state [L1139] COND FALSE !(s->state == 12292) [L1142] CALL, EXPR s->state [L1142] RET, EXPR s->state [L1142] COND FALSE !(s->state == 16384) [L1145] CALL, EXPR s->state [L1145] RET, EXPR s->state [L1145] COND FALSE !(s->state == 8192) [L1148] CALL, EXPR s->state [L1148] RET, EXPR s->state [L1148] COND FALSE !(s->state == 24576) [L1151] CALL, EXPR s->state [L1151] RET, EXPR s->state [L1151] COND FALSE !(s->state == 8195) [L1154] CALL, EXPR s->state [L1154] RET, EXPR s->state [L1154] COND FALSE !(s->state == 8480) [L1157] CALL, EXPR s->state [L1157] RET, EXPR s->state [L1157] COND FALSE !(s->state == 8481) [L1160] CALL, EXPR s->state [L1160] RET, EXPR s->state [L1160] COND FALSE !(s->state == 8482) [L1163] CALL, EXPR s->state [L1163] RET, EXPR s->state [L1163] COND TRUE s->state == 8464 [L1323] CALL s->shutdown = 0 [L1323] RET s->shutdown = 0 [L1324] ret = __VERIFIER_nondet_int() [L1325] COND TRUE blastFlag == 0 [L1326] blastFlag = 1 VAL [init=1, SSLv3_server_data={1029767106:0}] [L1330] COND FALSE !(ret <= 0) [L1335] got_new_session = 1 [L1336] CALL s->state = 8496 [L1336] RET s->state = 8496 [L1337] CALL s->init_num = 0 [L1337] RET s->init_num = 0 [L1685] CALL, EXPR s->s3 [L1685] RET, EXPR s->s3 [L1685] CALL, EXPR (s->s3)->tmp.reuse_message [L1685] RET, EXPR (s->s3)->tmp.reuse_message [L1685] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1714] skip = 0 VAL [init=1, SSLv3_server_data={1029767106:0}] [L1136] COND TRUE 1 VAL [init=1, SSLv3_server_data={1029767106:0}] [L1138] CALL, EXPR s->state [L1138] RET, EXPR s->state [L1138] state = s->state [L1139] CALL, EXPR s->state [L1139] RET, EXPR s->state [L1139] COND FALSE !(s->state == 12292) [L1142] CALL, EXPR s->state [L1142] RET, EXPR s->state [L1142] COND FALSE !(s->state == 16384) [L1145] CALL, EXPR s->state [L1145] RET, EXPR s->state [L1145] COND FALSE !(s->state == 8192) [L1148] CALL, EXPR s->state [L1148] RET, EXPR s->state [L1148] COND FALSE !(s->state == 24576) [L1151] CALL, EXPR s->state [L1151] RET, EXPR s->state [L1151] COND FALSE !(s->state == 8195) [L1154] CALL, EXPR s->state [L1154] RET, EXPR s->state [L1154] COND FALSE !(s->state == 8480) [L1157] CALL, EXPR s->state [L1157] RET, EXPR s->state [L1157] COND FALSE !(s->state == 8481) [L1160] CALL, EXPR s->state [L1160] RET, EXPR s->state [L1160] COND FALSE !(s->state == 8482) [L1163] CALL, EXPR s->state [L1163] RET, EXPR s->state [L1163] COND FALSE !(s->state == 8464) [L1166] CALL, EXPR s->state [L1166] RET, EXPR s->state [L1166] COND FALSE !(s->state == 8465) [L1169] CALL, EXPR s->state [L1169] RET, EXPR s->state [L1169] COND FALSE !(s->state == 8466) [L1172] CALL, EXPR s->state [L1172] RET, EXPR s->state [L1172] COND TRUE s->state == 8496 [L1341] ret = __VERIFIER_nondet_int() [L1342] COND TRUE blastFlag == 1 [L1343] blastFlag = 2 VAL [init=1, SSLv3_server_data={1029767106:0}] [L1347] COND FALSE !(ret <= 0) [L1352] CALL s->hit [L1352] RET s->hit [L1352] COND FALSE !(s->hit) [L1355] CALL s->state = 8512 [L1355] RET s->state = 8512 [L1357] CALL s->init_num = 0 [L1357] RET s->init_num = 0 [L1685] CALL, EXPR s->s3 [L1685] RET, EXPR s->s3 [L1685] CALL, EXPR (s->s3)->tmp.reuse_message [L1685] RET, EXPR (s->s3)->tmp.reuse_message [L1685] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1714] skip = 0 VAL [init=1, SSLv3_server_data={1029767106:0}] [L1136] COND TRUE 1 VAL [init=1, SSLv3_server_data={1029767106:0}] [L1138] CALL, EXPR s->state [L1138] RET, EXPR s->state [L1138] state = s->state [L1139] CALL, EXPR s->state [L1139] RET, EXPR s->state [L1139] COND FALSE !(s->state == 12292) [L1142] CALL, EXPR s->state [L1142] RET, EXPR s->state [L1142] COND FALSE !(s->state == 16384) [L1145] CALL, EXPR s->state [L1145] RET, EXPR s->state [L1145] COND FALSE !(s->state == 8192) [L1148] CALL, EXPR s->state [L1148] RET, EXPR s->state [L1148] COND FALSE !(s->state == 24576) [L1151] CALL, EXPR s->state [L1151] RET, EXPR s->state [L1151] COND FALSE !(s->state == 8195) [L1154] CALL, EXPR s->state [L1154] RET, EXPR s->state [L1154] COND FALSE !(s->state == 8480) [L1157] CALL, EXPR s->state [L1157] RET, EXPR s->state [L1157] COND FALSE !(s->state == 8481) [L1160] CALL, EXPR s->state [L1160] RET, EXPR s->state [L1160] COND FALSE !(s->state == 8482) [L1163] CALL, EXPR s->state [L1163] RET, EXPR s->state [L1163] COND FALSE !(s->state == 8464) [L1166] CALL, EXPR s->state [L1166] RET, EXPR s->state [L1166] COND FALSE !(s->state == 8465) [L1169] CALL, EXPR s->state [L1169] RET, EXPR s->state [L1169] COND FALSE !(s->state == 8466) [L1172] CALL, EXPR s->state [L1172] RET, EXPR s->state [L1172] COND FALSE !(s->state == 8496) [L1175] CALL, EXPR s->state [L1175] RET, EXPR s->state [L1175] COND FALSE !(s->state == 8497) [L1178] CALL, EXPR s->state [L1178] RET, EXPR s->state [L1178] COND TRUE s->state == 8512 [L1361] CALL, EXPR s->s3 [L1361] RET, EXPR s->s3 [L1361] CALL, EXPR (s->s3)->tmp.new_cipher [L1361] RET, EXPR (s->s3)->tmp.new_cipher [L1361] CALL, EXPR ((s->s3)->tmp.new_cipher)->algorithms [L1361] RET, EXPR ((s->s3)->tmp.new_cipher)->algorithms [L1361] COND FALSE !(((s->s3)->tmp.new_cipher)->algorithms & 256UL) [L1364] ret = __VERIFIER_nondet_int() [L1365] COND TRUE blastFlag == 2 [L1366] blastFlag = 6 VAL [init=1, SSLv3_server_data={1029767106:0}] [L1370] COND FALSE !(ret <= 0) VAL [init=1, SSLv3_server_data={1029767106:0}] [L1376] CALL s->state = 8528 [L1376] RET s->state = 8528 [L1377] CALL s->init_num = 0 [L1377] RET s->init_num = 0 [L1685] CALL, EXPR s->s3 [L1685] RET, EXPR s->s3 [L1685] CALL, EXPR (s->s3)->tmp.reuse_message [L1685] RET, EXPR (s->s3)->tmp.reuse_message [L1685] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1714] skip = 0 VAL [init=1, SSLv3_server_data={1029767106:0}] [L1136] COND TRUE 1 VAL [init=1, SSLv3_server_data={1029767106:0}] [L1138] CALL, EXPR s->state [L1138] RET, EXPR s->state [L1138] state = s->state [L1139] CALL, EXPR s->state [L1139] RET, EXPR s->state [L1139] COND FALSE !(s->state == 12292) [L1142] CALL, EXPR s->state [L1142] RET, EXPR s->state [L1142] COND FALSE !(s->state == 16384) [L1145] CALL, EXPR s->state [L1145] RET, EXPR s->state [L1145] COND FALSE !(s->state == 8192) [L1148] CALL, EXPR s->state [L1148] RET, EXPR s->state [L1148] COND FALSE !(s->state == 24576) [L1151] CALL, EXPR s->state [L1151] RET, EXPR s->state [L1151] COND FALSE !(s->state == 8195) [L1154] CALL, EXPR s->state [L1154] RET, EXPR s->state [L1154] COND FALSE !(s->state == 8480) [L1157] CALL, EXPR s->state [L1157] RET, EXPR s->state [L1157] COND FALSE !(s->state == 8481) [L1160] CALL, EXPR s->state [L1160] RET, EXPR s->state [L1160] COND FALSE !(s->state == 8482) [L1163] CALL, EXPR s->state [L1163] RET, EXPR s->state [L1163] COND FALSE !(s->state == 8464) [L1166] CALL, EXPR s->state [L1166] RET, EXPR s->state [L1166] COND FALSE !(s->state == 8465) [L1169] CALL, EXPR s->state [L1169] RET, EXPR s->state [L1169] COND FALSE !(s->state == 8466) [L1172] CALL, EXPR s->state [L1172] RET, EXPR s->state [L1172] COND FALSE !(s->state == 8496) [L1175] CALL, EXPR s->state [L1175] RET, EXPR s->state [L1175] COND FALSE !(s->state == 8497) [L1178] CALL, EXPR s->state [L1178] RET, EXPR s->state [L1178] COND FALSE !(s->state == 8512) [L1181] CALL, EXPR s->state [L1181] RET, EXPR s->state [L1181] COND FALSE !(s->state == 8513) [L1184] CALL, EXPR s->state [L1184] RET, EXPR s->state [L1184] COND TRUE s->state == 8528 [L1381] CALL, EXPR s->s3 [L1381] RET, EXPR s->s3 [L1381] CALL, EXPR (s->s3)->tmp.new_cipher [L1381] RET, EXPR (s->s3)->tmp.new_cipher [L1381] CALL, EXPR ((s->s3)->tmp.new_cipher)->algorithms [L1381] RET, EXPR ((s->s3)->tmp.new_cipher)->algorithms [L1381] l = ((s->s3)->tmp.new_cipher)->algorithms [L1382] CALL, EXPR s->options [L1382] RET, EXPR s->options [L1382] COND TRUE s->options & 2097152UL [L1383] CALL, EXPR s->s3 [L1383] RET, EXPR s->s3 [L1383] CALL (s->s3)->tmp.use_rsa_tmp = 1 [L1383] RET (s->s3)->tmp.use_rsa_tmp = 1 [L1387] CALL, EXPR s->s3 [L1387] RET, EXPR s->s3 [L1387] CALL (s->s3)->tmp.use_rsa_tmp [L1387] RET (s->s3)->tmp.use_rsa_tmp [L1387] COND TRUE (s->s3)->tmp.use_rsa_tmp [L1405] ret = __VERIFIER_nondet_int() [L1406] COND TRUE blastFlag == 6 [L1407] blastFlag = 7 VAL [init=1, SSLv3_server_data={1029767106:0}] [L1411] COND FALSE !(ret <= 0) VAL [init=1, SSLv3_server_data={1029767106:0}] [L1428] CALL s->state = 8544 [L1428] RET s->state = 8544 [L1429] CALL s->init_num = 0 [L1429] RET s->init_num = 0 [L1685] CALL, EXPR s->s3 [L1685] RET, EXPR s->s3 [L1685] CALL, EXPR (s->s3)->tmp.reuse_message [L1685] RET, EXPR (s->s3)->tmp.reuse_message [L1685] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1714] skip = 0 VAL [init=1, SSLv3_server_data={1029767106:0}] [L1136] COND TRUE 1 VAL [init=1, SSLv3_server_data={1029767106:0}] [L1138] CALL, EXPR s->state [L1138] RET, EXPR s->state [L1138] state = s->state [L1139] CALL, EXPR s->state [L1139] RET, EXPR s->state [L1139] COND FALSE !(s->state == 12292) [L1142] CALL, EXPR s->state [L1142] RET, EXPR s->state [L1142] COND FALSE !(s->state == 16384) [L1145] CALL, EXPR s->state [L1145] RET, EXPR s->state [L1145] COND FALSE !(s->state == 8192) [L1148] CALL, EXPR s->state [L1148] RET, EXPR s->state [L1148] COND FALSE !(s->state == 24576) [L1151] CALL, EXPR s->state [L1151] RET, EXPR s->state [L1151] COND FALSE !(s->state == 8195) [L1154] CALL, EXPR s->state [L1154] RET, EXPR s->state [L1154] COND FALSE !(s->state == 8480) [L1157] CALL, EXPR s->state [L1157] RET, EXPR s->state [L1157] COND FALSE !(s->state == 8481) [L1160] CALL, EXPR s->state [L1160] RET, EXPR s->state [L1160] COND FALSE !(s->state == 8482) [L1163] CALL, EXPR s->state [L1163] RET, EXPR s->state [L1163] COND FALSE !(s->state == 8464) [L1166] CALL, EXPR s->state [L1166] RET, EXPR s->state [L1166] COND FALSE !(s->state == 8465) [L1169] CALL, EXPR s->state [L1169] RET, EXPR s->state [L1169] COND FALSE !(s->state == 8466) [L1172] CALL, EXPR s->state [L1172] RET, EXPR s->state [L1172] COND FALSE !(s->state == 8496) [L1175] CALL, EXPR s->state [L1175] RET, EXPR s->state [L1175] COND FALSE !(s->state == 8497) [L1178] CALL, EXPR s->state [L1178] RET, EXPR s->state [L1178] COND FALSE !(s->state == 8512) [L1181] CALL, EXPR s->state [L1181] RET, EXPR s->state [L1181] COND FALSE !(s->state == 8513) [L1184] CALL, EXPR s->state [L1184] RET, EXPR s->state [L1184] COND FALSE !(s->state == 8528) [L1187] CALL, EXPR s->state [L1187] RET, EXPR s->state [L1187] COND FALSE !(s->state == 8529) [L1190] CALL, EXPR s->state [L1190] RET, EXPR s->state [L1190] COND TRUE s->state == 8544 [L1433] CALL, EXPR s->verify_mode [L1433] RET, EXPR s->verify_mode [L1433] COND TRUE s->verify_mode & 1 [L1434] CALL, EXPR s->session [L1434] RET, EXPR s->session [L1434] CALL, EXPR (s->session)->peer [L1434] RET, EXPR (s->session)->peer [L1434] COND FALSE !((unsigned long )(s->session)->peer != (unsigned long )((void *)0)) [L1444] CALL, EXPR s->s3 [L1444] RET, EXPR s->s3 [L1444] CALL, EXPR (s->s3)->tmp.new_cipher [L1444] RET, EXPR (s->s3)->tmp.new_cipher [L1444] CALL, EXPR ((s->s3)->tmp.new_cipher)->algorithms [L1444] RET, EXPR ((s->s3)->tmp.new_cipher)->algorithms [L1444] COND FALSE !(((s->s3)->tmp.new_cipher)->algorithms & 256UL) [L1454] CALL, EXPR s->s3 [L1454] RET, EXPR s->s3 [L1454] CALL (s->s3)->tmp.cert_request = 1 [L1454] RET (s->s3)->tmp.cert_request = 1 [L1455] ret = __VERIFIER_nondet_int() [L1456] COND TRUE blastFlag == 7 VAL [init=1, SSLv3_server_data={1029767106:0}] [L1726] __VERIFIER_error() VAL [init=1, SSLv3_server_data={1029767106:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 160 locations, 1 error locations. UNSAFE Result, 19.0s OverallTime, 8 OverallIterations, 5 TraceHistogramMax, 6.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2202 SDtfs, 1313 SDslu, 1852 SDs, 0 SdLazy, 918 SolverSat, 60 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 5.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 691 GetRequests, 675 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=934occurred in iteration=7, 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, 7 MinimizatonAttempts, 547 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.4s SsaConstructionTime, 6.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 832 NumberOfCodeBlocks, 832 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 687 ConstructedInterpolants, 0 QuantifiedInterpolants, 151777 SizeOfPredicates, 64 NumberOfNonLiveVariables, 4489 ConjunctsInSsa, 74 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 570/570 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...