./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/ssh/s3_clnt.blast.02_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_8ff6e058-1a09-4ce8-a69f-7fa8189c6699/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8ff6e058-1a09-4ce8-a69f-7fa8189c6699/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8ff6e058-1a09-4ce8-a69f-7fa8189c6699/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8ff6e058-1a09-4ce8-a69f-7fa8189c6699/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ssh/s3_clnt.blast.02_false-unreach-call.i.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8ff6e058-1a09-4ce8-a69f-7fa8189c6699/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8ff6e058-1a09-4ce8-a69f-7fa8189c6699/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 69033ce18a9d55d3b643fc421e26bf1667e81629 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_8ff6e058-1a09-4ce8-a69f-7fa8189c6699/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8ff6e058-1a09-4ce8-a69f-7fa8189c6699/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8ff6e058-1a09-4ce8-a69f-7fa8189c6699/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8ff6e058-1a09-4ce8-a69f-7fa8189c6699/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ssh/s3_clnt.blast.02_false-unreach-call.i.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8ff6e058-1a09-4ce8-a69f-7fa8189c6699/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8ff6e058-1a09-4ce8-a69f-7fa8189c6699/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 69033ce18a9d55d3b643fc421e26bf1667e81629 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:09:21,172 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:09:21,173 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:09:21,182 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:09:21,182 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:09:21,183 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:09:21,183 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:09:21,185 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:09:21,186 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:09:21,186 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:09:21,187 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:09:21,187 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:09:21,188 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:09:21,189 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:09:21,189 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:09:21,190 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:09:21,191 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:09:21,192 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:09:21,193 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:09:21,194 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:09:21,195 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:09:21,196 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:09:21,198 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:09:21,198 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:09:21,198 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:09:21,199 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:09:21,200 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:09:21,201 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:09:21,201 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:09:21,202 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:09:21,202 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:09:21,203 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:09:21,203 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:09:21,203 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:09:21,204 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:09:21,205 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:09:21,205 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8ff6e058-1a09-4ce8-a69f-7fa8189c6699/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 22:09:21,215 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:09:21,216 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:09:21,216 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:09:21,217 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 22:09:21,217 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 22:09:21,217 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 22:09:21,217 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 22:09:21,217 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 22:09:21,218 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 22:09:21,218 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 22:09:21,218 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 22:09:21,219 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:09:21,219 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:09:21,219 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:09:21,219 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:09:21,219 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:09:21,219 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:09:21,220 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:09:21,220 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:09:21,220 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:09:21,220 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:09:21,220 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:09:21,221 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:09:21,221 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 22:09:21,221 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:09:21,221 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 22:09:21,221 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:09:21,221 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:09:21,222 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:09:21,222 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:09:21,222 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 22:09:21,222 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:09:21,222 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:09:21,222 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 22:09:21,223 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_8ff6e058-1a09-4ce8-a69f-7fa8189c6699/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 -> 69033ce18a9d55d3b643fc421e26bf1667e81629 [2018-10-26 22:09:21,251 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:09:21,262 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:09:21,265 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:09:21,267 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:09:21,267 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:09:21,268 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8ff6e058-1a09-4ce8-a69f-7fa8189c6699/bin-2019/utaipan/../../sv-benchmarks/c/ssh/s3_clnt.blast.02_false-unreach-call.i.cil.c [2018-10-26 22:09:21,327 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8ff6e058-1a09-4ce8-a69f-7fa8189c6699/bin-2019/utaipan/data/a304865ea/a94637d8cced437bb04213a468dff3bb/FLAGa43fda1b4 [2018-10-26 22:09:21,830 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:09:21,831 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8ff6e058-1a09-4ce8-a69f-7fa8189c6699/sv-benchmarks/c/ssh/s3_clnt.blast.02_false-unreach-call.i.cil.c [2018-10-26 22:09:21,856 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8ff6e058-1a09-4ce8-a69f-7fa8189c6699/bin-2019/utaipan/data/a304865ea/a94637d8cced437bb04213a468dff3bb/FLAGa43fda1b4 [2018-10-26 22:09:21,871 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8ff6e058-1a09-4ce8-a69f-7fa8189c6699/bin-2019/utaipan/data/a304865ea/a94637d8cced437bb04213a468dff3bb [2018-10-26 22:09:21,874 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:09:21,875 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:09:21,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:09:21,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:09:21,881 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:09:21,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:09:21" (1/1) ... [2018-10-26 22:09:21,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@299a707d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:09:21, skipping insertion in model container [2018-10-26 22:09:21,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:09:21" (1/1) ... [2018-10-26 22:09:21,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:09:21,969 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:09:22,576 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:09:22,588 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:09:23,021 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:09:23,039 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:09:23,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:09:23 WrapperNode [2018-10-26 22:09:23,040 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:09:23,041 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:09:23,041 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:09:23,041 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:09:23,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:09:23" (1/1) ... [2018-10-26 22:09:23,156 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:09:23" (1/1) ... [2018-10-26 22:09:23,225 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:09:23,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:09:23,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:09:23,225 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:09:23,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:09:23" (1/1) ... [2018-10-26 22:09:23,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:09:23" (1/1) ... [2018-10-26 22:09:23,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:09:23" (1/1) ... [2018-10-26 22:09:23,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:09:23" (1/1) ... [2018-10-26 22:09:23,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:09:23" (1/1) ... [2018-10-26 22:09:23,325 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:09:23" (1/1) ... [2018-10-26 22:09:23,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:09:23" (1/1) ... [2018-10-26 22:09:23,337 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:09:23,338 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:09:23,338 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:09:23,338 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:09:23,339 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:09:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8ff6e058-1a09-4ce8-a69f-7fa8189c6699/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:09:23,407 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 22:09:23,408 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 22:09:23,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 22:09:23,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 22:09:23,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:09:23,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:09:23,409 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2018-10-26 22:09:23,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2018-10-26 22:09:24,047 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-26 22:09:24,047 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-26 22:09:25,318 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:09:25,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:09:25 BoogieIcfgContainer [2018-10-26 22:09:25,318 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:09:25,319 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 22:09:25,319 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 22:09:25,322 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 22:09:25,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:09:21" (1/3) ... [2018-10-26 22:09:25,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a8298fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:09:25, skipping insertion in model container [2018-10-26 22:09:25,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:09:23" (2/3) ... [2018-10-26 22:09:25,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a8298fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:09:25, skipping insertion in model container [2018-10-26 22:09:25,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:09:25" (3/3) ... [2018-10-26 22:09:25,326 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_clnt.blast.02_false-unreach-call.i.cil.c [2018-10-26 22:09:25,334 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 22:09:25,344 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 22:09:25,358 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 22:09:25,382 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 22:09:25,382 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 22:09:25,382 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 22:09:25,382 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 22:09:25,382 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 22:09:25,382 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 22:09:25,383 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 22:09:25,383 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 22:09:25,400 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-10-26 22:09:25,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-26 22:09:25,406 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:09:25,407 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] [2018-10-26 22:09:25,409 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:09:25,414 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:09:25,415 INFO L82 PathProgramCache]: Analyzing trace with hash -711276758, now seen corresponding path program 1 times [2018-10-26 22:09:25,417 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:09:25,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:09:25,470 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:09:25,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:09:25,470 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:09:25,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:25,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:09:25,796 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:09:25,797 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 22:09:25,797 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:09:25,801 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 22:09:25,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 22:09:25,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:09:25,815 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 3 states. [2018-10-26 22:09:25,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:09:25,976 INFO L93 Difference]: Finished difference Result 381 states and 635 transitions. [2018-10-26 22:09:25,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 22:09:25,977 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-10-26 22:09:25,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:09:25,989 INFO L225 Difference]: With dead ends: 381 [2018-10-26 22:09:25,989 INFO L226 Difference]: Without dead ends: 220 [2018-10-26 22:09:25,992 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:09:26,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2018-10-26 22:09:26,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2018-10-26 22:09:26,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2018-10-26 22:09:26,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 324 transitions. [2018-10-26 22:09:26,040 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 324 transitions. Word has length 31 [2018-10-26 22:09:26,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:09:26,041 INFO L481 AbstractCegarLoop]: Abstraction has 220 states and 324 transitions. [2018-10-26 22:09:26,041 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 22:09:26,041 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 324 transitions. [2018-10-26 22:09:26,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-26 22:09:26,043 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:09:26,043 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-26 22:09:26,043 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:09:26,044 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:09:26,044 INFO L82 PathProgramCache]: Analyzing trace with hash -2126446976, now seen corresponding path program 1 times [2018-10-26 22:09:26,044 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:09:26,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:09:26,049 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:09:26,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:09:26,050 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:09:26,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:26,269 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:09:26,270 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:09:26,270 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 22:09:26,270 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:09:26,271 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 22:09:26,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 22:09:26,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:09:26,273 INFO L87 Difference]: Start difference. First operand 220 states and 324 transitions. Second operand 3 states. [2018-10-26 22:09:26,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:09:26,587 INFO L93 Difference]: Finished difference Result 427 states and 637 transitions. [2018-10-26 22:09:26,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 22:09:26,588 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-10-26 22:09:26,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:09:26,591 INFO L225 Difference]: With dead ends: 427 [2018-10-26 22:09:26,591 INFO L226 Difference]: Without dead ends: 321 [2018-10-26 22:09:26,593 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:09:26,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2018-10-26 22:09:26,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 321. [2018-10-26 22:09:26,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-10-26 22:09:26,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 472 transitions. [2018-10-26 22:09:26,631 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 472 transitions. Word has length 47 [2018-10-26 22:09:26,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:09:26,631 INFO L481 AbstractCegarLoop]: Abstraction has 321 states and 472 transitions. [2018-10-26 22:09:26,632 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 22:09:26,632 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 472 transitions. [2018-10-26 22:09:26,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-26 22:09:26,635 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:09:26,635 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-26 22:09:26,636 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:09:26,636 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:09:26,636 INFO L82 PathProgramCache]: Analyzing trace with hash 1465612615, now seen corresponding path program 1 times [2018-10-26 22:09:26,636 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:09:26,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:09:26,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:09:26,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:09:26,638 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:09:26,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:26,808 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:09:26,808 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:09:26,809 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 22:09:26,809 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:09:26,809 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 22:09:26,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 22:09:26,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:09:26,810 INFO L87 Difference]: Start difference. First operand 321 states and 472 transitions. Second operand 3 states. [2018-10-26 22:09:26,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:09:26,918 INFO L93 Difference]: Finished difference Result 632 states and 937 transitions. [2018-10-26 22:09:26,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 22:09:26,920 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2018-10-26 22:09:26,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:09:26,923 INFO L225 Difference]: With dead ends: 632 [2018-10-26 22:09:26,923 INFO L226 Difference]: Without dead ends: 425 [2018-10-26 22:09:26,926 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:09:26,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2018-10-26 22:09:26,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 425. [2018-10-26 22:09:26,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2018-10-26 22:09:26,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 627 transitions. [2018-10-26 22:09:26,961 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 627 transitions. Word has length 66 [2018-10-26 22:09:26,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:09:26,962 INFO L481 AbstractCegarLoop]: Abstraction has 425 states and 627 transitions. [2018-10-26 22:09:26,963 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 22:09:26,963 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 627 transitions. [2018-10-26 22:09:26,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-26 22:09:26,966 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:09:26,966 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-10-26 22:09:26,966 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:09:26,966 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:09:26,966 INFO L82 PathProgramCache]: Analyzing trace with hash -693398440, now seen corresponding path program 1 times [2018-10-26 22:09:26,967 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:09:26,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:09:26,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:09:26,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:09:26,976 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:09:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:27,165 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 22:09:27,167 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:09:27,168 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 22:09:27,168 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:09:27,168 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 22:09:27,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 22:09:27,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:09:27,169 INFO L87 Difference]: Start difference. First operand 425 states and 627 transitions. Second operand 3 states. [2018-10-26 22:09:27,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:09:27,434 INFO L93 Difference]: Finished difference Result 840 states and 1247 transitions. [2018-10-26 22:09:27,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 22:09:27,436 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 87 [2018-10-26 22:09:27,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:09:27,439 INFO L225 Difference]: With dead ends: 840 [2018-10-26 22:09:27,439 INFO L226 Difference]: Without dead ends: 529 [2018-10-26 22:09:27,441 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:09:27,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2018-10-26 22:09:27,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 529. [2018-10-26 22:09:27,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2018-10-26 22:09:27,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 783 transitions. [2018-10-26 22:09:27,466 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 783 transitions. Word has length 87 [2018-10-26 22:09:27,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:09:27,466 INFO L481 AbstractCegarLoop]: Abstraction has 529 states and 783 transitions. [2018-10-26 22:09:27,466 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 22:09:27,466 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 783 transitions. [2018-10-26 22:09:27,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-26 22:09:27,469 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:09:27,469 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 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] [2018-10-26 22:09:27,469 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:09:27,469 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:09:27,470 INFO L82 PathProgramCache]: Analyzing trace with hash -489585283, now seen corresponding path program 1 times [2018-10-26 22:09:27,470 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:09:27,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:09:27,471 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:09:27,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:09:27,471 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:09:27,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:27,761 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-26 22:09:27,762 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:09:27,762 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 22:09:27,762 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:09:27,763 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 22:09:27,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 22:09:27,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:09:27,764 INFO L87 Difference]: Start difference. First operand 529 states and 783 transitions. Second operand 4 states. [2018-10-26 22:09:28,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:09:28,794 INFO L93 Difference]: Finished difference Result 1517 states and 2252 transitions. [2018-10-26 22:09:28,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 22:09:28,795 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 109 [2018-10-26 22:09:28,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:09:28,799 INFO L225 Difference]: With dead ends: 1517 [2018-10-26 22:09:28,799 INFO L226 Difference]: Without dead ends: 1001 [2018-10-26 22:09:28,801 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-26 22:09:28,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2018-10-26 22:09:28,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 648. [2018-10-26 22:09:28,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 648 states. [2018-10-26 22:09:28,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 972 transitions. [2018-10-26 22:09:28,825 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 972 transitions. Word has length 109 [2018-10-26 22:09:28,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:09:28,826 INFO L481 AbstractCegarLoop]: Abstraction has 648 states and 972 transitions. [2018-10-26 22:09:28,826 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 22:09:28,826 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 972 transitions. [2018-10-26 22:09:28,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-26 22:09:28,828 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:09:28,828 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 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] [2018-10-26 22:09:28,829 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:09:28,830 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:09:28,830 INFO L82 PathProgramCache]: Analyzing trace with hash 464354875, now seen corresponding path program 1 times [2018-10-26 22:09:28,830 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:09:28,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:09:28,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:09:28,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:09:28,831 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:09:28,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:29,004 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-10-26 22:09:29,004 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:09:29,004 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 22:09:29,004 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:09:29,005 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 22:09:29,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 22:09:29,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-26 22:09:29,005 INFO L87 Difference]: Start difference. First operand 648 states and 972 transitions. Second operand 6 states. [2018-10-26 22:09:29,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:09:29,470 INFO L93 Difference]: Finished difference Result 1243 states and 1864 transitions. [2018-10-26 22:09:29,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 22:09:29,471 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 109 [2018-10-26 22:09:29,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:09:29,474 INFO L225 Difference]: With dead ends: 1243 [2018-10-26 22:09:29,476 INFO L226 Difference]: Without dead ends: 731 [2018-10-26 22:09:29,477 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-26 22:09:29,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2018-10-26 22:09:29,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 657. [2018-10-26 22:09:29,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 657 states. [2018-10-26 22:09:29,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 986 transitions. [2018-10-26 22:09:29,502 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 986 transitions. Word has length 109 [2018-10-26 22:09:29,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:09:29,502 INFO L481 AbstractCegarLoop]: Abstraction has 657 states and 986 transitions. [2018-10-26 22:09:29,502 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 22:09:29,503 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 986 transitions. [2018-10-26 22:09:29,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-26 22:09:29,504 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:09:29,511 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2018-10-26 22:09:29,511 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:09:29,511 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:09:29,512 INFO L82 PathProgramCache]: Analyzing trace with hash -628634620, now seen corresponding path program 1 times [2018-10-26 22:09:29,512 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:09:29,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:09:29,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:09:29,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:09:29,513 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:09:29,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:29,937 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-26 22:09:30,150 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-10-26 22:09:30,151 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:09:30,151 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 22:09:30,151 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:09:30,151 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 22:09:30,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 22:09:30,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-26 22:09:30,152 INFO L87 Difference]: Start difference. First operand 657 states and 986 transitions. Second operand 6 states. [2018-10-26 22:09:32,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:09:32,779 INFO L93 Difference]: Finished difference Result 1240 states and 1860 transitions. [2018-10-26 22:09:32,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 22:09:32,780 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 110 [2018-10-26 22:09:32,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:09:32,783 INFO L225 Difference]: With dead ends: 1240 [2018-10-26 22:09:32,784 INFO L226 Difference]: Without dead ends: 728 [2018-10-26 22:09:32,785 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-26 22:09:32,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2018-10-26 22:09:32,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 658. [2018-10-26 22:09:32,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 658 states. [2018-10-26 22:09:32,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 987 transitions. [2018-10-26 22:09:32,806 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 987 transitions. Word has length 110 [2018-10-26 22:09:32,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:09:32,807 INFO L481 AbstractCegarLoop]: Abstraction has 658 states and 987 transitions. [2018-10-26 22:09:32,807 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 22:09:32,807 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 987 transitions. [2018-10-26 22:09:32,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-26 22:09:32,810 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:09:32,810 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2018-10-26 22:09:32,810 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:09:32,810 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:09:32,810 INFO L82 PathProgramCache]: Analyzing trace with hash -1857110027, now seen corresponding path program 1 times [2018-10-26 22:09:32,811 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:09:32,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:09:32,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:09:32,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:09:32,813 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:09:32,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:09:33,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:09:33,174 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 22:09:33,193 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:09:33,194 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:09:33,195 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:09:33,195 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:09:33,196 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:09:33,196 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:09:33,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:09:33 BoogieIcfgContainer [2018-10-26 22:09:33,253 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 22:09:33,253 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:09:33,253 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:09:33,253 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:09:33,253 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:09:25" (3/4) ... [2018-10-26 22:09:33,258 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 22:09:33,258 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:09:33,259 INFO L168 Benchmark]: Toolchain (without parser) took 11383.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 207.6 MB). Free memory was 957.0 MB in the beginning and 1.0 GB in the end (delta: -55.0 MB). Peak memory consumption was 152.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:09:33,259 INFO L168 Benchmark]: CDTParser took 0.58 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:09:33,260 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1163.30 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 785.0 MB in the end (delta: 171.9 MB). Peak memory consumption was 171.9 MB. Max. memory is 11.5 GB. [2018-10-26 22:09:33,260 INFO L168 Benchmark]: Boogie Procedure Inliner took 183.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 785.0 MB in the beginning and 1.1 GB in the end (delta: -362.1 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2018-10-26 22:09:33,261 INFO L168 Benchmark]: Boogie Preprocessor took 112.49 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: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2018-10-26 22:09:33,261 INFO L168 Benchmark]: RCFGBuilder took 1980.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 981.9 MB in the end (delta: 155.3 MB). Peak memory consumption was 155.3 MB. Max. memory is 11.5 GB. [2018-10-26 22:09:33,261 INFO L168 Benchmark]: TraceAbstraction took 7933.48 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 51.4 MB). Free memory was 981.9 MB in the beginning and 1.0 GB in the end (delta: -35.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-10-26 22:09:33,262 INFO L168 Benchmark]: Witness Printer took 5.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 11.5 GB. [2018-10-26 22:09:33,267 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1163.30 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 785.0 MB in the end (delta: 171.9 MB). Peak memory consumption was 171.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 183.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 785.0 MB in the beginning and 1.1 GB in the end (delta: -362.1 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 112.49 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: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1980.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 981.9 MB in the end (delta: 155.3 MB). Peak memory consumption was 155.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7933.48 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 51.4 MB). Free memory was 981.9 MB in the beginning and 1.0 GB in the end (delta: -35.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Witness Printer took 5.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1643]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseAnd at line 1338. Possible FailurePath: [L1042] static int init = 1; [L1043] CALL static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1065] EXPR, FCALL malloc(sizeof(SSL)) [L1065] SSL *s = (SSL*)malloc(sizeof(SSL)) ; [L1069] EXPR, FCALL malloc(sizeof(struct ssl3_state_st)) [L1069] CALL s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1069] RET s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1070] EXPR, FCALL malloc(sizeof(SSL_CTX)) [L1070] CALL s->ctx = malloc(sizeof(SSL_CTX)) [L1070] RET s->ctx = malloc(sizeof(SSL_CTX)) [L1071] EXPR, FCALL malloc(sizeof(SSL_SESSION)) [L1071] CALL s->session = malloc(sizeof(SSL_SESSION)) [L1071] RET s->session = malloc(sizeof(SSL_SESSION)) [L1072] CALL s->state = 12292 [L1072] RET s->state = 12292 [L1073] CALL s->version = __VERIFIER_nondet_int() [L1073] RET s->version = __VERIFIER_nondet_int() [L1074] CALL ssl3_connect(s) VAL [init=1, SSLv3_client_data={20490:0}] [L1080] BUF_MEM *buf ; [L1081] unsigned long tmp ; [L1082] unsigned long l ; [L1083] long num1 ; [L1084] void (*cb)() ; [L1085] int ret ; [L1086] int new_state ; [L1087] int state ; [L1088] int skip ; [L1089] int *tmp___0 = __VERIFIER_nondet_pointer() ; [L1090] int tmp___1 = __VERIFIER_nondet_int() ; [L1091] int tmp___2 = __VERIFIER_nondet_int() ; [L1092] int tmp___3 = __VERIFIER_nondet_int() ; [L1093] int tmp___4 = __VERIFIER_nondet_int() ; [L1094] int tmp___5 = __VERIFIER_nondet_int() ; [L1095] int tmp___6 = __VERIFIER_nondet_int() ; [L1096] int tmp___7 = __VERIFIER_nondet_int() ; [L1097] int tmp___8 = __VERIFIER_nondet_int() ; [L1098] long tmp___9 = __VERIFIER_nondet_long() ; [L1099] int blastFlag ; [L1102] blastFlag = 0 [L1103] CALL s->hit=__VERIFIER_nondet_int () [L1103] RET s->hit=__VERIFIER_nondet_int () [L1104] CALL s->state = 12292 [L1104] RET s->state = 12292 [L1105] tmp = __VERIFIER_nondet_int() [L1106] cb = (void (*)())((void *)0) [L1107] ret = -1 [L1108] skip = 0 [L1109] CALL *tmp___0 = 0 [L1109] RET *tmp___0 = 0 [L1110] CALL, EXPR s->info_callback [L1110] RET, EXPR s->info_callback [L1110] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1111] CALL, EXPR s->info_callback [L1111] RET, EXPR s->info_callback [L1111] cb = s->info_callback [L1119] CALL, EXPR s->in_handshake [L1119] RET, EXPR s->in_handshake [L1119] CALL s->in_handshake += 1 [L1119] RET s->in_handshake += 1 [L1120] COND FALSE !(tmp___1 & 12288) VAL [init=1, SSLv3_client_data={20490:0}] [L1130] COND TRUE 1 VAL [init=1, SSLv3_client_data={20490:0}] [L1132] CALL, EXPR s->state [L1132] RET, EXPR s->state [L1132] state = s->state [L1133] CALL, EXPR s->state [L1133] RET, EXPR s->state [L1133] COND TRUE s->state == 12292 [L1236] CALL s->new_session = 1 [L1236] RET s->new_session = 1 [L1237] CALL s->state = 4096 [L1237] RET s->state = 4096 [L1238] CALL, EXPR s->ctx [L1238] RET, EXPR s->ctx [L1238] CALL, EXPR (s->ctx)->stats.sess_connect_renegotiate [L1238] RET, EXPR (s->ctx)->stats.sess_connect_renegotiate [L1238] CALL (s->ctx)->stats.sess_connect_renegotiate += 1 [L1238] RET (s->ctx)->stats.sess_connect_renegotiate += 1 [L1243] CALL s->server = 0 [L1243] RET s->server = 0 [L1244] COND TRUE (unsigned long )cb != (unsigned long )((void *)0) VAL [init=1, SSLv3_client_data={20490:0}] [L1249] CALL, EXPR s->version [L1249] RET, EXPR s->version [L1249] COND FALSE !((s->version & 65280) != 768) [L1255] CALL s->type = 4096 [L1255] RET s->type = 4096 [L1256] CALL, EXPR s->init_buf [L1256] RET, EXPR s->init_buf [L1256] COND FALSE !((unsigned long )s->init_buf == (unsigned long )((void *)0)) [L1274] COND FALSE !(! tmp___4) VAL [init=1, SSLv3_client_data={20490:0}] [L1280] COND FALSE !(! tmp___5) [L1286] CALL s->state = 4368 [L1286] RET s->state = 4368 [L1287] CALL, EXPR s->ctx [L1287] RET, EXPR s->ctx [L1287] CALL, EXPR (s->ctx)->stats.sess_connect [L1287] RET, EXPR (s->ctx)->stats.sess_connect [L1287] CALL (s->ctx)->stats.sess_connect += 1 [L1287] RET (s->ctx)->stats.sess_connect += 1 [L1288] CALL s->init_num = 0 [L1288] RET s->init_num = 0 [L1602] CALL, EXPR s->s3 [L1602] RET, EXPR s->s3 [L1602] CALL, EXPR (s->s3)->tmp.reuse_message [L1602] RET, EXPR (s->s3)->tmp.reuse_message [L1602] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1631] skip = 0 VAL [init=1, SSLv3_client_data={20490:0}] [L1130] COND TRUE 1 VAL [init=1, SSLv3_client_data={20490:0}] [L1132] CALL, EXPR s->state [L1132] RET, EXPR s->state [L1132] state = s->state [L1133] CALL, EXPR s->state [L1133] RET, EXPR s->state [L1133] COND FALSE !(s->state == 12292) [L1136] CALL, EXPR s->state [L1136] RET, EXPR s->state [L1136] COND FALSE !(s->state == 16384) [L1139] CALL, EXPR s->state [L1139] RET, EXPR s->state [L1139] COND FALSE !(s->state == 4096) [L1142] CALL, EXPR s->state [L1142] RET, EXPR s->state [L1142] COND FALSE !(s->state == 20480) [L1145] CALL, EXPR s->state [L1145] RET, EXPR s->state [L1145] COND FALSE !(s->state == 4099) [L1148] CALL, EXPR s->state [L1148] RET, EXPR s->state [L1148] COND TRUE s->state == 4368 [L1292] CALL s->shutdown = 0 [L1292] RET s->shutdown = 0 [L1293] ret = __VERIFIER_nondet_int() [L1294] COND TRUE blastFlag == 0 [L1295] blastFlag = 1 VAL [init=1, SSLv3_client_data={20490:0}] [L1303] COND FALSE !(ret <= 0) [L1308] CALL s->state = 4384 [L1308] RET s->state = 4384 [L1309] CALL s->init_num = 0 [L1309] RET s->init_num = 0 [L1310] CALL, EXPR s->bbio [L1310] RET, EXPR s->bbio [L1310] CALL, EXPR s->wbio [L1310] RET, EXPR s->wbio [L1310] COND TRUE (unsigned long )s->bbio != (unsigned long )s->wbio [L1602] CALL, EXPR s->s3 [L1602] RET, EXPR s->s3 [L1602] CALL, EXPR (s->s3)->tmp.reuse_message [L1602] RET, EXPR (s->s3)->tmp.reuse_message [L1602] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1631] skip = 0 VAL [init=1, SSLv3_client_data={20490:0}] [L1130] COND TRUE 1 VAL [init=1, SSLv3_client_data={20490:0}] [L1132] CALL, EXPR s->state [L1132] RET, EXPR s->state [L1132] state = s->state [L1133] CALL, EXPR s->state [L1133] RET, EXPR s->state [L1133] COND FALSE !(s->state == 12292) [L1136] CALL, EXPR s->state [L1136] RET, EXPR s->state [L1136] COND FALSE !(s->state == 16384) [L1139] CALL, EXPR s->state [L1139] RET, EXPR s->state [L1139] COND FALSE !(s->state == 4096) [L1142] CALL, EXPR s->state [L1142] RET, EXPR s->state [L1142] COND FALSE !(s->state == 20480) [L1145] CALL, EXPR s->state [L1145] RET, EXPR s->state [L1145] COND FALSE !(s->state == 4099) [L1148] CALL, EXPR s->state [L1148] RET, EXPR s->state [L1148] COND FALSE !(s->state == 4368) [L1151] CALL, EXPR s->state [L1151] RET, EXPR s->state [L1151] COND FALSE !(s->state == 4369) [L1154] CALL, EXPR s->state [L1154] RET, EXPR s->state [L1154] COND TRUE s->state == 4384 [L1318] ret = __VERIFIER_nondet_int() [L1319] COND TRUE blastFlag == 1 [L1320] blastFlag = 2 VAL [init=1, SSLv3_client_data={20490:0}] [L1324] COND FALSE !(ret <= 0) [L1329] CALL s->hit [L1329] RET s->hit [L1329] COND FALSE !(s->hit) [L1332] CALL s->state = 4400 [L1332] RET s->state = 4400 [L1334] CALL s->init_num = 0 [L1334] RET s->init_num = 0 [L1602] CALL, EXPR s->s3 [L1602] RET, EXPR s->s3 [L1602] CALL, EXPR (s->s3)->tmp.reuse_message [L1602] RET, EXPR (s->s3)->tmp.reuse_message [L1602] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1631] skip = 0 VAL [init=1, SSLv3_client_data={20490:0}] [L1130] COND TRUE 1 VAL [init=1, SSLv3_client_data={20490:0}] [L1132] CALL, EXPR s->state [L1132] RET, EXPR s->state [L1132] state = s->state [L1133] CALL, EXPR s->state [L1133] RET, EXPR s->state [L1133] COND FALSE !(s->state == 12292) [L1136] CALL, EXPR s->state [L1136] RET, EXPR s->state [L1136] COND FALSE !(s->state == 16384) [L1139] CALL, EXPR s->state [L1139] RET, EXPR s->state [L1139] COND FALSE !(s->state == 4096) [L1142] CALL, EXPR s->state [L1142] RET, EXPR s->state [L1142] COND FALSE !(s->state == 20480) [L1145] CALL, EXPR s->state [L1145] RET, EXPR s->state [L1145] COND FALSE !(s->state == 4099) [L1148] CALL, EXPR s->state [L1148] RET, EXPR s->state [L1148] COND FALSE !(s->state == 4368) [L1151] CALL, EXPR s->state [L1151] RET, EXPR s->state [L1151] COND FALSE !(s->state == 4369) [L1154] CALL, EXPR s->state [L1154] RET, EXPR s->state [L1154] COND FALSE !(s->state == 4384) [L1157] CALL, EXPR s->state [L1157] RET, EXPR s->state [L1157] COND FALSE !(s->state == 4385) [L1160] CALL, EXPR s->state [L1160] RET, EXPR s->state [L1160] COND TRUE s->state == 4400 [L1338] CALL, EXPR s->s3 [L1338] RET, EXPR s->s3 [L1338] CALL, EXPR (s->s3)->tmp.new_cipher [L1338] RET, EXPR (s->s3)->tmp.new_cipher [L1338] CALL, EXPR ((s->s3)->tmp.new_cipher)->algorithms [L1338] RET, EXPR ((s->s3)->tmp.new_cipher)->algorithms [L1338] COND FALSE !(((s->s3)->tmp.new_cipher)->algorithms & 256UL) [L1341] ret = __VERIFIER_nondet_int() [L1342] COND TRUE blastFlag == 2 [L1343] blastFlag = 3 VAL [init=1, SSLv3_client_data={20490:0}] [L1347] COND FALSE !(ret <= 0) VAL [init=1, SSLv3_client_data={20490:0}] [L1353] CALL s->state = 4416 [L1353] RET s->state = 4416 [L1354] CALL s->init_num = 0 [L1354] RET s->init_num = 0 [L1602] CALL, EXPR s->s3 [L1602] RET, EXPR s->s3 [L1602] CALL, EXPR (s->s3)->tmp.reuse_message [L1602] RET, EXPR (s->s3)->tmp.reuse_message [L1602] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1631] skip = 0 VAL [init=1, SSLv3_client_data={20490:0}] [L1130] COND TRUE 1 VAL [init=1, SSLv3_client_data={20490:0}] [L1132] CALL, EXPR s->state [L1132] RET, EXPR s->state [L1132] state = s->state [L1133] CALL, EXPR s->state [L1133] RET, EXPR s->state [L1133] COND FALSE !(s->state == 12292) [L1136] CALL, EXPR s->state [L1136] RET, EXPR s->state [L1136] COND FALSE !(s->state == 16384) [L1139] CALL, EXPR s->state [L1139] RET, EXPR s->state [L1139] COND FALSE !(s->state == 4096) [L1142] CALL, EXPR s->state [L1142] RET, EXPR s->state [L1142] COND FALSE !(s->state == 20480) [L1145] CALL, EXPR s->state [L1145] RET, EXPR s->state [L1145] COND FALSE !(s->state == 4099) [L1148] CALL, EXPR s->state [L1148] RET, EXPR s->state [L1148] COND FALSE !(s->state == 4368) [L1151] CALL, EXPR s->state [L1151] RET, EXPR s->state [L1151] COND FALSE !(s->state == 4369) [L1154] CALL, EXPR s->state [L1154] RET, EXPR s->state [L1154] COND FALSE !(s->state == 4384) [L1157] CALL, EXPR s->state [L1157] RET, EXPR s->state [L1157] COND FALSE !(s->state == 4385) [L1160] CALL, EXPR s->state [L1160] RET, EXPR s->state [L1160] COND FALSE !(s->state == 4400) [L1163] CALL, EXPR s->state [L1163] RET, EXPR s->state [L1163] COND FALSE !(s->state == 4401) [L1166] CALL, EXPR s->state [L1166] RET, EXPR s->state [L1166] COND TRUE s->state == 4416 [L1358] ret = __VERIFIER_nondet_int() [L1359] COND TRUE blastFlag == 3 [L1360] blastFlag = 4 VAL [init=1, SSLv3_client_data={20490:0}] [L1364] COND FALSE !(ret <= 0) [L1369] CALL s->state = 4432 [L1369] RET s->state = 4432 [L1370] CALL s->init_num = 0 [L1370] RET s->init_num = 0 [L1371] COND FALSE !(! tmp___6) VAL [init=1, SSLv3_client_data={20490:0}] [L1602] CALL, EXPR s->s3 [L1602] RET, EXPR s->s3 [L1602] CALL, EXPR (s->s3)->tmp.reuse_message [L1602] RET, EXPR (s->s3)->tmp.reuse_message [L1602] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1631] skip = 0 VAL [init=1, SSLv3_client_data={20490:0}] [L1130] COND TRUE 1 VAL [init=1, SSLv3_client_data={20490:0}] [L1132] CALL, EXPR s->state [L1132] RET, EXPR s->state [L1132] state = s->state [L1133] CALL, EXPR s->state [L1133] RET, EXPR s->state [L1133] COND FALSE !(s->state == 12292) [L1136] CALL, EXPR s->state [L1136] RET, EXPR s->state [L1136] COND FALSE !(s->state == 16384) [L1139] CALL, EXPR s->state [L1139] RET, EXPR s->state [L1139] COND FALSE !(s->state == 4096) [L1142] CALL, EXPR s->state [L1142] RET, EXPR s->state [L1142] COND FALSE !(s->state == 20480) [L1145] CALL, EXPR s->state [L1145] RET, EXPR s->state [L1145] COND FALSE !(s->state == 4099) [L1148] CALL, EXPR s->state [L1148] RET, EXPR s->state [L1148] COND FALSE !(s->state == 4368) [L1151] CALL, EXPR s->state [L1151] RET, EXPR s->state [L1151] COND FALSE !(s->state == 4369) [L1154] CALL, EXPR s->state [L1154] RET, EXPR s->state [L1154] COND FALSE !(s->state == 4384) [L1157] CALL, EXPR s->state [L1157] RET, EXPR s->state [L1157] COND FALSE !(s->state == 4385) [L1160] CALL, EXPR s->state [L1160] RET, EXPR s->state [L1160] COND FALSE !(s->state == 4400) [L1163] CALL, EXPR s->state [L1163] RET, EXPR s->state [L1163] COND FALSE !(s->state == 4401) [L1166] CALL, EXPR s->state [L1166] RET, EXPR s->state [L1166] COND FALSE !(s->state == 4416) [L1169] CALL, EXPR s->state [L1169] RET, EXPR s->state [L1169] COND FALSE !(s->state == 4417) [L1172] CALL, EXPR s->state [L1172] RET, EXPR s->state [L1172] COND TRUE s->state == 4432 [L1380] ret = __VERIFIER_nondet_int() [L1381] COND TRUE blastFlag == 4 VAL [init=1, SSLv3_client_data={20490:0}] [L1643] __VERIFIER_error() VAL [init=1, SSLv3_client_data={20490:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 141 locations, 1 error locations. UNSAFE Result, 7.8s OverallTime, 8 OverallIterations, 6 TraceHistogramMax, 5.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1204 SDtfs, 1232 SDslu, 1282 SDs, 0 SdLazy, 731 SolverSat, 102 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=658occurred 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, 497 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 683 NumberOfCodeBlocks, 683 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 552 ConstructedInterpolants, 0 QuantifiedInterpolants, 114390 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 500/500 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:09:35,176 INFO L170 SettingsManager]: Resetting all preferences to default values... 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[2018-10-26 22:09:35,206 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:09:35,206 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:09:35,207 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:09:35,207 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:09:35,209 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:09:35,209 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:09:35,210 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:09:35,210 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:09:35,211 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:09:35,211 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:09:35,211 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:09:35,212 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:09:35,213 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:09:35,213 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8ff6e058-1a09-4ce8-a69f-7fa8189c6699/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-26 22:09:35,224 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:09:35,224 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:09:35,225 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:09:35,225 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 22:09:35,225 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 22:09:35,225 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 22:09:35,225 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 22:09:35,226 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 22:09:35,226 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:09:35,226 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:09:35,226 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:09:35,227 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:09:35,227 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:09:35,227 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:09:35,227 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:09:35,227 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 22:09:35,227 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 22:09:35,227 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:09:35,227 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:09:35,228 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:09:35,228 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:09:35,228 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 22:09:35,228 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:09:35,232 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 22:09:35,232 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:09:35,233 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:09:35,233 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:09:35,233 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:09:35,233 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 22:09:35,233 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:09:35,233 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 22:09:35,233 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 22:09:35,234 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_8ff6e058-1a09-4ce8-a69f-7fa8189c6699/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 -> 69033ce18a9d55d3b643fc421e26bf1667e81629 [2018-10-26 22:09:35,284 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:09:35,293 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:09:35,295 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:09:35,297 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:09:35,297 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:09:35,297 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8ff6e058-1a09-4ce8-a69f-7fa8189c6699/bin-2019/utaipan/../../sv-benchmarks/c/ssh/s3_clnt.blast.02_false-unreach-call.i.cil.c [2018-10-26 22:09:35,337 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8ff6e058-1a09-4ce8-a69f-7fa8189c6699/bin-2019/utaipan/data/03f056b95/12fc2676c31642a883731c4a24e76628/FLAGe46a82ace [2018-10-26 22:09:35,788 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:09:35,789 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8ff6e058-1a09-4ce8-a69f-7fa8189c6699/sv-benchmarks/c/ssh/s3_clnt.blast.02_false-unreach-call.i.cil.c [2018-10-26 22:09:35,806 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8ff6e058-1a09-4ce8-a69f-7fa8189c6699/bin-2019/utaipan/data/03f056b95/12fc2676c31642a883731c4a24e76628/FLAGe46a82ace [2018-10-26 22:09:35,823 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8ff6e058-1a09-4ce8-a69f-7fa8189c6699/bin-2019/utaipan/data/03f056b95/12fc2676c31642a883731c4a24e76628 [2018-10-26 22:09:35,826 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:09:35,829 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:09:35,830 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:09:35,830 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:09:35,833 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:09:35,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:09:35" (1/1) ... [2018-10-26 22:09:35,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a882113 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:09:35, skipping insertion in model container [2018-10-26 22:09:35,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:09:35" (1/1) ... [2018-10-26 22:09:35,847 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:09:35,899 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:09:36,587 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:09:36,603 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:09:36,957 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:09:36,976 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:09:36,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:09:36 WrapperNode [2018-10-26 22:09:36,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:09:36,978 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:09:36,978 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:09:36,978 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:09:36,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:09:36" (1/1) ... [2018-10-26 22:09:37,117 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:09:36" (1/1) ... [2018-10-26 22:09:37,194 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:09:37,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:09:37,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:09:37,195 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:09:37,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:09:36" (1/1) ... [2018-10-26 22:09:37,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:09:36" (1/1) ... [2018-10-26 22:09:37,221 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:09:36" (1/1) ... [2018-10-26 22:09:37,224 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:09:36" (1/1) ... [2018-10-26 22:09:37,267 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:09:36" (1/1) ... [2018-10-26 22:09:37,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:09:36" (1/1) ... [2018-10-26 22:09:37,281 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:09:36" (1/1) ... [2018-10-26 22:09:37,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:09:37,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:09:37,289 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:09:37,289 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:09:37,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:09:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8ff6e058-1a09-4ce8-a69f-7fa8189c6699/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:09:37,356 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 22:09:37,356 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 22:09:37,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 22:09:37,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 22:09:37,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:09:37,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:09:37,357 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2018-10-26 22:09:37,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2018-10-26 22:09:39,976 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-26 22:09:39,976 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-26 22:09:41,803 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:09:41,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:09:41 BoogieIcfgContainer [2018-10-26 22:09:41,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:09:41,805 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 22:09:41,805 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 22:09:41,808 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 22:09:41,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:09:35" (1/3) ... [2018-10-26 22:09:41,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b0a71fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:09:41, skipping insertion in model container [2018-10-26 22:09:41,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:09:36" (2/3) ... [2018-10-26 22:09:41,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b0a71fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:09:41, skipping insertion in model container [2018-10-26 22:09:41,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:09:41" (3/3) ... [2018-10-26 22:09:41,811 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_clnt.blast.02_false-unreach-call.i.cil.c [2018-10-26 22:09:41,821 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 22:09:41,830 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 22:09:41,842 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 22:09:41,868 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 22:09:41,869 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 22:09:41,869 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 22:09:41,870 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 22:09:41,870 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 22:09:41,870 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 22:09:41,870 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 22:09:41,870 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 22:09:41,871 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 22:09:41,888 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-10-26 22:09:41,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-26 22:09:41,895 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:09:41,895 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] [2018-10-26 22:09:41,897 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:09:41,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:09:41,903 INFO L82 PathProgramCache]: Analyzing trace with hash -711276758, now seen corresponding path program 1 times [2018-10-26 22:09:41,908 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-26 22:09:41,909 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8ff6e058-1a09-4ce8-a69f-7fa8189c6699/bin-2019/utaipan/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-26 22:09:41,925 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:09:42,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:42,078 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:09:42,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:09:42,156 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:09:42,162 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:09:42,163 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 22:09:42,166 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 22:09:42,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 22:09:42,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:09:42,176 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 3 states. [2018-10-26 22:09:42,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:09:42,462 INFO L93 Difference]: Finished difference Result 381 states and 635 transitions. [2018-10-26 22:09:42,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 22:09:42,464 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-10-26 22:09:42,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:09:42,481 INFO L225 Difference]: With dead ends: 381 [2018-10-26 22:09:42,484 INFO L226 Difference]: Without dead ends: 220 [2018-10-26 22:09:42,487 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:09:42,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2018-10-26 22:09:42,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2018-10-26 22:09:42,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2018-10-26 22:09:42,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 324 transitions. [2018-10-26 22:09:42,537 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 324 transitions. Word has length 31 [2018-10-26 22:09:42,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:09:42,537 INFO L481 AbstractCegarLoop]: Abstraction has 220 states and 324 transitions. [2018-10-26 22:09:42,537 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 22:09:42,537 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 324 transitions. [2018-10-26 22:09:42,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-26 22:09:42,540 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:09:42,540 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-26 22:09:42,540 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:09:42,541 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:09:42,541 INFO L82 PathProgramCache]: Analyzing trace with hash -2126446976, now seen corresponding path program 1 times [2018-10-26 22:09:42,542 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-26 22:09:42,542 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8ff6e058-1a09-4ce8-a69f-7fa8189c6699/bin-2019/utaipan/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-26 22:09:42,568 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:09:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:42,699 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:09:42,750 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:09:42,750 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:09:42,752 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:09:42,753 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 22:09:42,754 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 22:09:42,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 22:09:42,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:09:42,755 INFO L87 Difference]: Start difference. First operand 220 states and 324 transitions. Second operand 3 states. [2018-10-26 22:09:42,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:09:42,888 INFO L93 Difference]: Finished difference Result 427 states and 637 transitions. [2018-10-26 22:09:42,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 22:09:42,889 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-10-26 22:09:42,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:09:42,891 INFO L225 Difference]: With dead ends: 427 [2018-10-26 22:09:42,891 INFO L226 Difference]: Without dead ends: 321 [2018-10-26 22:09:42,893 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:09:42,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2018-10-26 22:09:42,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 321. [2018-10-26 22:09:42,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-10-26 22:09:42,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 472 transitions. [2018-10-26 22:09:42,916 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 472 transitions. Word has length 47 [2018-10-26 22:09:42,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:09:42,917 INFO L481 AbstractCegarLoop]: Abstraction has 321 states and 472 transitions. [2018-10-26 22:09:42,917 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 22:09:42,917 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 472 transitions. [2018-10-26 22:09:42,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-26 22:09:42,919 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:09:42,919 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-26 22:09:42,920 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:09:42,920 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:09:42,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1465612615, now seen corresponding path program 1 times [2018-10-26 22:09:42,922 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-26 22:09:42,922 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8ff6e058-1a09-4ce8-a69f-7fa8189c6699/bin-2019/utaipan/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-26 22:09:42,944 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:09:43,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:43,103 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:09:43,178 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:09:43,179 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:09:43,181 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:09:43,182 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 22:09:43,182 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 22:09:43,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 22:09:43,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:09:43,183 INFO L87 Difference]: Start difference. First operand 321 states and 472 transitions. Second operand 3 states. [2018-10-26 22:09:43,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:09:43,493 INFO L93 Difference]: Finished difference Result 631 states and 936 transitions. [2018-10-26 22:09:43,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 22:09:43,494 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2018-10-26 22:09:43,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:09:43,496 INFO L225 Difference]: With dead ends: 631 [2018-10-26 22:09:43,497 INFO L226 Difference]: Without dead ends: 424 [2018-10-26 22:09:43,498 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:09:43,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2018-10-26 22:09:43,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 424. [2018-10-26 22:09:43,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 424 states. [2018-10-26 22:09:43,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 623 transitions. [2018-10-26 22:09:43,519 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 623 transitions. Word has length 66 [2018-10-26 22:09:43,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:09:43,519 INFO L481 AbstractCegarLoop]: Abstraction has 424 states and 623 transitions. [2018-10-26 22:09:43,520 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 22:09:43,520 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 623 transitions. [2018-10-26 22:09:43,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-26 22:09:43,523 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:09:43,524 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-10-26 22:09:43,524 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:09:43,524 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:09:43,525 INFO L82 PathProgramCache]: Analyzing trace with hash -693398440, now seen corresponding path program 1 times [2018-10-26 22:09:43,525 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-26 22:09:43,526 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8ff6e058-1a09-4ce8-a69f-7fa8189c6699/bin-2019/utaipan/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-26 22:09:43,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:09:43,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:43,774 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:09:43,797 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 22:09:43,798 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:09:43,800 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:09:43,801 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 22:09:43,802 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 22:09:43,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 22:09:43,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:09:43,802 INFO L87 Difference]: Start difference. First operand 424 states and 623 transitions. Second operand 3 states. [2018-10-26 22:09:43,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:09:43,974 INFO L93 Difference]: Finished difference Result 836 states and 1237 transitions. [2018-10-26 22:09:43,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 22:09:43,976 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 87 [2018-10-26 22:09:43,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:09:43,978 INFO L225 Difference]: With dead ends: 836 [2018-10-26 22:09:43,978 INFO L226 Difference]: Without dead ends: 526 [2018-10-26 22:09:43,979 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:09:43,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2018-10-26 22:09:44,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2018-10-26 22:09:44,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 526 states. [2018-10-26 22:09:44,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 773 transitions. [2018-10-26 22:09:44,011 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 773 transitions. Word has length 87 [2018-10-26 22:09:44,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:09:44,012 INFO L481 AbstractCegarLoop]: Abstraction has 526 states and 773 transitions. [2018-10-26 22:09:44,012 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 22:09:44,012 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 773 transitions. [2018-10-26 22:09:44,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-26 22:09:44,025 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:09:44,025 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 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] [2018-10-26 22:09:44,025 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:09:44,026 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:09:44,026 INFO L82 PathProgramCache]: Analyzing trace with hash -489585283, now seen corresponding path program 1 times [2018-10-26 22:09:44,027 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-26 22:09:44,027 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8ff6e058-1a09-4ce8-a69f-7fa8189c6699/bin-2019/utaipan/cvc4nyu Starting monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-26 22:09:44,052 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:09:44,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:45,072 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:09:45,219 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-10-26 22:09:45,241 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-10-26 22:09:45,241 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:09:45,264 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:09:45,349 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:09:45,349 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:17, output treesize:13 [2018-10-26 22:09:45,561 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2018-10-26 22:09:45,601 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:09:45,628 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-10-26 22:09:45,629 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:09:45,733 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:09:45,776 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:09:45,777 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:13 [2018-10-26 22:09:45,797 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 15 treesize of output 11 [2018-10-26 22:09:45,810 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 11 treesize of output 3 [2018-10-26 22:09:45,811 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:09:45,815 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:09:45,816 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:09:45,816 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-10-26 22:09:45,846 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-26 22:09:45,846 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:09:45,851 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:09:45,851 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 22:09:45,852 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 22:09:45,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 22:09:45,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-26 22:09:45,853 INFO L87 Difference]: Start difference. First operand 526 states and 773 transitions. Second operand 7 states. [2018-10-26 22:09:49,058 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-26 22:09:49,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:09:49,492 INFO L93 Difference]: Finished difference Result 1410 states and 2081 transitions. [2018-10-26 22:09:49,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 22:09:49,497 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 109 [2018-10-26 22:09:49,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:09:49,501 INFO L225 Difference]: With dead ends: 1410 [2018-10-26 22:09:49,501 INFO L226 Difference]: Without dead ends: 897 [2018-10-26 22:09:49,502 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-10-26 22:09:49,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 897 states. [2018-10-26 22:09:49,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 897 to 614. [2018-10-26 22:09:49,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2018-10-26 22:09:49,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 917 transitions. [2018-10-26 22:09:49,534 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 917 transitions. Word has length 109 [2018-10-26 22:09:49,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:09:49,535 INFO L481 AbstractCegarLoop]: Abstraction has 614 states and 917 transitions. [2018-10-26 22:09:49,535 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 22:09:49,535 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 917 transitions. [2018-10-26 22:09:49,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-26 22:09:49,537 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:09:49,537 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 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] [2018-10-26 22:09:49,537 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:09:49,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:09:49,538 INFO L82 PathProgramCache]: Analyzing trace with hash 464354875, now seen corresponding path program 1 times [2018-10-26 22:09:49,538 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-26 22:09:49,538 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8ff6e058-1a09-4ce8-a69f-7fa8189c6699/bin-2019/utaipan/cvc4nyu Starting monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-26 22:09:49,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:09:51,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:09:51,700 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:09:51,827 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-10-26 22:09:51,846 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 31 [2018-10-26 22:09:51,869 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 18 [2018-10-26 22:09:51,912 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:09:51,935 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-10-26 22:09:51,936 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-26 22:09:52,029 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:09:52,109 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 31 [2018-10-26 22:09:52,121 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 [2018-10-26 22:09:52,121 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-10-26 22:09:52,130 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:09:52,169 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:09:52,174 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 38 [2018-10-26 22:09:52,178 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 32 [2018-10-26 22:09:52,183 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:09:52,187 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 32 treesize of output 38 [2018-10-26 22:09:52,188 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-10-26 22:09:52,209 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:09:52,254 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 30 treesize of output 26 [2018-10-26 22:09:52,259 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:09:52,265 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:09:52,295 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 23 treesize of output 46 [2018-10-26 22:09:52,296 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 4 xjuncts. [2018-10-26 22:09:52,341 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-10-26 22:09:52,368 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-10-26 22:09:52,437 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-10-26 22:09:52,437 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 4 variables, input treesize:45, output treesize:56 [2018-10-26 22:09:52,535 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 45 [2018-10-26 22:09:52,558 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:09:52,560 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 34 treesize of output 43 [2018-10-26 22:09:52,561 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:09:52,651 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:09:52,652 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:09:52,655 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:09:52,666 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 64 [2018-10-26 22:09:52,667 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-10-26 22:09:52,760 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-26 22:09:52,855 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 26 treesize of output 21 [2018-10-26 22:09:52,861 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:09:52,863 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-10-26 22:09:52,864 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-10-26 22:09:52,874 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:09:52,947 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-10-26 22:09:52,948 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:62, output treesize:51 [2018-10-26 22:09:53,045 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 15 treesize of output 11 [2018-10-26 22:09:53,048 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 11 treesize of output 3 [2018-10-26 22:09:53,048 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:09:53,049 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:09:53,050 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:09:53,050 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-10-26 22:09:53,080 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-10-26 22:09:53,080 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:09:53,087 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:09:53,087 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 22:09:53,087 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 22:09:53,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 22:09:53,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-10-26 22:09:53,088 INFO L87 Difference]: Start difference. First operand 614 states and 917 transitions. Second operand 9 states. [2018-10-26 22:10:01,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:10:01,441 INFO L93 Difference]: Finished difference Result 1177 states and 1757 transitions. [2018-10-26 22:10:01,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 22:10:01,452 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 109 [2018-10-26 22:10:01,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:10:01,455 INFO L225 Difference]: With dead ends: 1177 [2018-10-26 22:10:01,455 INFO L226 Difference]: Without dead ends: 697 [2018-10-26 22:10:01,456 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2018-10-26 22:10:01,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2018-10-26 22:10:01,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 623. [2018-10-26 22:10:01,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 623 states. [2018-10-26 22:10:01,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 931 transitions. [2018-10-26 22:10:01,478 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 931 transitions. Word has length 109 [2018-10-26 22:10:01,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:10:01,478 INFO L481 AbstractCegarLoop]: Abstraction has 623 states and 931 transitions. [2018-10-26 22:10:01,478 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 22:10:01,478 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 931 transitions. [2018-10-26 22:10:01,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-26 22:10:01,480 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:10:01,480 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2018-10-26 22:10:01,480 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:10:01,481 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:10:01,481 INFO L82 PathProgramCache]: Analyzing trace with hash -628634620, now seen corresponding path program 1 times [2018-10-26 22:10:01,482 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-26 22:10:01,482 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8ff6e058-1a09-4ce8-a69f-7fa8189c6699/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 [2018-10-26 22:10:01,504 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:10:02,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:10:03,200 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:10:03,291 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 38 [2018-10-26 22:10:03,294 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 32 [2018-10-26 22:10:03,299 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:10:03,302 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 32 treesize of output 38 [2018-10-26 22:10:03,303 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-26 22:10:03,315 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:10:03,336 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 30 treesize of output 26 [2018-10-26 22:10:03,339 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:10:03,344 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:10:03,368 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 23 treesize of output 46 [2018-10-26 22:10:03,369 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 4 xjuncts. [2018-10-26 22:10:03,404 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-10-26 22:10:03,432 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-10-26 22:10:03,447 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 31 [2018-10-26 22:10:03,450 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 18 [2018-10-26 22:10:03,476 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:10:03,479 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-10-26 22:10:03,479 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-10-26 22:10:03,486 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:10:03,503 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 31 [2018-10-26 22:10:03,506 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 [2018-10-26 22:10:03,506 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-10-26 22:10:03,521 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:10:03,530 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:10:03,568 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-10-26 22:10:03,568 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 4 variables, input treesize:45, output treesize:56 [2018-10-26 22:10:03,655 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 45 [2018-10-26 22:10:03,708 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:10:03,733 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 34 treesize of output 43 [2018-10-26 22:10:03,733 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:10:03,810 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:10:03,811 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:10:03,813 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:10:03,825 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 64 [2018-10-26 22:10:03,825 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-10-26 22:10:03,878 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-26 22:10:03,951 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 26 treesize of output 21 [2018-10-26 22:10:03,956 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 22:10:03,957 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-10-26 22:10:03,958 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-10-26 22:10:03,966 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:10:04,008 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-10-26 22:10:04,009 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:62, output treesize:51 [2018-10-26 22:10:04,103 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 15 treesize of output 11 [2018-10-26 22:10:04,111 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 11 treesize of output 3 [2018-10-26 22:10:04,111 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 22:10:04,113 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:10:04,114 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 22:10:04,114 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-10-26 22:10:04,132 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-10-26 22:10:04,132 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:10:04,136 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:10:04,136 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 22:10:04,137 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 22:10:04,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 22:10:04,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-10-26 22:10:04,137 INFO L87 Difference]: Start difference. First operand 623 states and 931 transitions. Second operand 9 states. [2018-10-26 22:10:12,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:10:12,087 INFO L93 Difference]: Finished difference Result 1174 states and 1753 transitions. [2018-10-26 22:10:12,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 22:10:12,091 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 110 [2018-10-26 22:10:12,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:10:12,094 INFO L225 Difference]: With dead ends: 1174 [2018-10-26 22:10:12,096 INFO L226 Difference]: Without dead ends: 694 [2018-10-26 22:10:12,097 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2018-10-26 22:10:12,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2018-10-26 22:10:12,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 624. [2018-10-26 22:10:12,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2018-10-26 22:10:12,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 932 transitions. [2018-10-26 22:10:12,121 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 932 transitions. Word has length 110 [2018-10-26 22:10:12,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:10:12,122 INFO L481 AbstractCegarLoop]: Abstraction has 624 states and 932 transitions. [2018-10-26 22:10:12,122 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 22:10:12,122 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 932 transitions. [2018-10-26 22:10:12,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-26 22:10:12,124 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:10:12,124 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2018-10-26 22:10:12,124 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:10:12,125 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:10:12,125 INFO L82 PathProgramCache]: Analyzing trace with hash -1857110027, now seen corresponding path program 1 times [2018-10-26 22:10:12,125 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-26 22:10:12,125 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8ff6e058-1a09-4ce8-a69f-7fa8189c6699/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 [2018-10-26 22:10:12,146 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:10:14,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:10:17,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:10:18,761 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 22:10:18,795 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:10:18,796 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:10:18,797 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:10:18,800 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:10:18,801 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:10:18,801 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:10:18,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:10:18 BoogieIcfgContainer [2018-10-26 22:10:18,888 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 22:10:18,889 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:10:18,889 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:10:18,889 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:10:18,889 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:09:41" (3/4) ... [2018-10-26 22:10:18,891 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-26 22:10:18,897 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:10:18,899 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:10:18,899 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:10:18,899 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:10:18,899 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:10:18,900 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:10:19,001 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8ff6e058-1a09-4ce8-a69f-7fa8189c6699/bin-2019/utaipan/witness.graphml [2018-10-26 22:10:19,001 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:10:19,001 INFO L168 Benchmark]: Toolchain (without parser) took 43173.22 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 328.2 MB). Free memory was 946.5 MB in the beginning and 903.0 MB in the end (delta: 43.5 MB). Peak memory consumption was 371.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:10:19,002 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:10:19,002 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1147.59 ms. Allocated memory is still 1.0 GB. Free memory was 946.5 MB in the beginning and 769.3 MB in the end (delta: 177.2 MB). Peak memory consumption was 177.2 MB. Max. memory is 11.5 GB. [2018-10-26 22:10:19,005 INFO L168 Benchmark]: Boogie Procedure Inliner took 216.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 769.3 MB in the beginning and 1.2 GB in the end (delta: -390.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2018-10-26 22:10:19,005 INFO L168 Benchmark]: Boogie Preprocessor took 94.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 11.5 GB. [2018-10-26 22:10:19,006 INFO L168 Benchmark]: RCFGBuilder took 4515.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 979.5 MB in the end (delta: 168.6 MB). Peak memory consumption was 168.6 MB. Max. memory is 11.5 GB. [2018-10-26 22:10:19,006 INFO L168 Benchmark]: TraceAbstraction took 37083.54 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 160.4 MB). Free memory was 979.5 MB in the beginning and 920.4 MB in the end (delta: 59.1 MB). Peak memory consumption was 219.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:10:19,006 INFO L168 Benchmark]: Witness Printer took 112.09 ms. Allocated memory is still 1.4 GB. Free memory was 920.4 MB in the beginning and 903.0 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-10-26 22:10:19,008 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1147.59 ms. Allocated memory is still 1.0 GB. Free memory was 946.5 MB in the beginning and 769.3 MB in the end (delta: 177.2 MB). Peak memory consumption was 177.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 216.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 769.3 MB in the beginning and 1.2 GB in the end (delta: -390.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 94.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4515.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 979.5 MB in the end (delta: 168.6 MB). Peak memory consumption was 168.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 37083.54 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 160.4 MB). Free memory was 979.5 MB in the beginning and 920.4 MB in the end (delta: 59.1 MB). Peak memory consumption was 219.5 MB. Max. memory is 11.5 GB. * Witness Printer took 112.09 ms. Allocated memory is still 1.4 GB. Free memory was 920.4 MB in the beginning and 903.0 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 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: 1643]: 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_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1043] RET static SSL_METHOD SSLv3_client_data ; [L1065] EXPR, FCALL malloc(sizeof(SSL)) [L1065] SSL *s = (SSL*)malloc(sizeof(SSL)) ; [L1069] EXPR, FCALL malloc(sizeof(struct ssl3_state_st)) [L1069] CALL s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1069] RET s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1070] EXPR, FCALL malloc(sizeof(SSL_CTX)) [L1070] CALL s->ctx = malloc(sizeof(SSL_CTX)) [L1070] RET s->ctx = malloc(sizeof(SSL_CTX)) [L1071] EXPR, FCALL malloc(sizeof(SSL_SESSION)) [L1071] CALL s->session = malloc(sizeof(SSL_SESSION)) [L1071] RET s->session = malloc(sizeof(SSL_SESSION)) [L1072] CALL s->state = 12292 [L1072] RET s->state = 12292 [L1073] CALL s->version = __VERIFIER_nondet_int() [L1073] RET s->version = __VERIFIER_nondet_int() [L1074] CALL ssl3_connect(s) VAL [init=1, SSLv3_client_data={-2138046439:0}] [L1080] BUF_MEM *buf ; [L1081] unsigned long tmp ; [L1082] unsigned long l ; [L1083] long num1 ; [L1084] void (*cb)() ; [L1085] int ret ; [L1086] int new_state ; [L1087] int state ; [L1088] int skip ; [L1089] int *tmp___0 = __VERIFIER_nondet_pointer() ; [L1090] int tmp___1 = __VERIFIER_nondet_int() ; [L1091] int tmp___2 = __VERIFIER_nondet_int() ; [L1092] int tmp___3 = __VERIFIER_nondet_int() ; [L1093] int tmp___4 = __VERIFIER_nondet_int() ; [L1094] int tmp___5 = __VERIFIER_nondet_int() ; [L1095] int tmp___6 = __VERIFIER_nondet_int() ; [L1096] int tmp___7 = __VERIFIER_nondet_int() ; [L1097] int tmp___8 = __VERIFIER_nondet_int() ; [L1098] long tmp___9 = __VERIFIER_nondet_long() ; [L1099] int blastFlag ; [L1102] blastFlag = 0 [L1103] CALL s->hit=__VERIFIER_nondet_int () [L1103] RET s->hit=__VERIFIER_nondet_int () [L1104] CALL s->state = 12292 [L1104] RET s->state = 12292 [L1105] tmp = __VERIFIER_nondet_int() [L1106] cb = (void (*)())((void *)0) [L1107] ret = -1 [L1108] skip = 0 [L1109] CALL *tmp___0 = 0 [L1109] RET *tmp___0 = 0 [L1110] CALL, EXPR s->info_callback [L1110] RET, EXPR s->info_callback [L1110] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1111] CALL, EXPR s->info_callback [L1111] RET, EXPR s->info_callback [L1111] cb = s->info_callback [L1119] CALL, EXPR s->in_handshake [L1119] RET, EXPR s->in_handshake [L1119] CALL s->in_handshake += 1 [L1119] RET s->in_handshake += 1 [L1120] COND FALSE !(tmp___1 & 12288) VAL [init=1, SSLv3_client_data={-2138046439:0}] [L1130] COND TRUE 1 VAL [init=1, SSLv3_client_data={-2138046439:0}] [L1132] CALL, EXPR s->state [L1132] RET, EXPR s->state [L1132] state = s->state [L1133] CALL, EXPR s->state [L1133] RET, EXPR s->state [L1133] COND TRUE s->state == 12292 [L1236] CALL s->new_session = 1 [L1236] RET s->new_session = 1 [L1237] CALL s->state = 4096 [L1237] RET s->state = 4096 [L1238] CALL, EXPR s->ctx [L1238] RET, EXPR s->ctx [L1238] CALL, EXPR (s->ctx)->stats.sess_connect_renegotiate [L1238] RET, EXPR (s->ctx)->stats.sess_connect_renegotiate [L1238] CALL (s->ctx)->stats.sess_connect_renegotiate += 1 [L1238] RET (s->ctx)->stats.sess_connect_renegotiate += 1 [L1243] CALL s->server = 0 [L1243] RET s->server = 0 [L1244] COND TRUE (unsigned long )cb != (unsigned long )((void *)0) VAL [init=1, SSLv3_client_data={-2138046439:0}] [L1249] CALL, EXPR s->version [L1249] RET, EXPR s->version [L1249] COND FALSE !((s->version & 65280) != 768) [L1255] CALL s->type = 4096 [L1255] RET s->type = 4096 [L1256] CALL, EXPR s->init_buf [L1256] RET, EXPR s->init_buf [L1256] COND FALSE !((unsigned long )s->init_buf == (unsigned long )((void *)0)) [L1274] COND FALSE !(! tmp___4) VAL [init=1, SSLv3_client_data={-2138046439:0}] [L1280] COND FALSE !(! tmp___5) [L1286] CALL s->state = 4368 [L1286] RET s->state = 4368 [L1287] CALL, EXPR s->ctx [L1287] RET, EXPR s->ctx [L1287] CALL, EXPR (s->ctx)->stats.sess_connect [L1287] RET, EXPR (s->ctx)->stats.sess_connect [L1287] CALL (s->ctx)->stats.sess_connect += 1 [L1287] RET (s->ctx)->stats.sess_connect += 1 [L1288] CALL s->init_num = 0 [L1288] RET s->init_num = 0 [L1602] CALL, EXPR s->s3 [L1602] RET, EXPR s->s3 [L1602] CALL, EXPR (s->s3)->tmp.reuse_message [L1602] RET, EXPR (s->s3)->tmp.reuse_message [L1602] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1631] skip = 0 VAL [init=1, SSLv3_client_data={-2138046439:0}] [L1130] COND TRUE 1 VAL [init=1, SSLv3_client_data={-2138046439:0}] [L1132] CALL, EXPR s->state [L1132] RET, EXPR s->state [L1132] state = s->state [L1133] CALL, EXPR s->state [L1133] RET, EXPR s->state [L1133] COND FALSE !(s->state == 12292) [L1136] CALL, EXPR s->state [L1136] RET, EXPR s->state [L1136] COND FALSE !(s->state == 16384) [L1139] CALL, EXPR s->state [L1139] RET, EXPR s->state [L1139] COND FALSE !(s->state == 4096) [L1142] CALL, EXPR s->state [L1142] RET, EXPR s->state [L1142] COND FALSE !(s->state == 20480) [L1145] CALL, EXPR s->state [L1145] RET, EXPR s->state [L1145] COND FALSE !(s->state == 4099) [L1148] CALL, EXPR s->state [L1148] RET, EXPR s->state [L1148] COND TRUE s->state == 4368 [L1292] CALL s->shutdown = 0 [L1292] RET s->shutdown = 0 [L1293] ret = __VERIFIER_nondet_int() [L1294] COND TRUE blastFlag == 0 [L1295] blastFlag = 1 VAL [init=1, SSLv3_client_data={-2138046439:0}] [L1303] COND FALSE !(ret <= 0) [L1308] CALL s->state = 4384 [L1308] RET s->state = 4384 [L1309] CALL s->init_num = 0 [L1309] RET s->init_num = 0 [L1310] CALL, EXPR s->bbio [L1310] RET, EXPR s->bbio [L1310] CALL, EXPR s->wbio [L1310] RET, EXPR s->wbio [L1310] COND TRUE (unsigned long )s->bbio != (unsigned long )s->wbio [L1602] CALL, EXPR s->s3 [L1602] RET, EXPR s->s3 [L1602] CALL, EXPR (s->s3)->tmp.reuse_message [L1602] RET, EXPR (s->s3)->tmp.reuse_message [L1602] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1631] skip = 0 VAL [init=1, SSLv3_client_data={-2138046439:0}] [L1130] COND TRUE 1 VAL [init=1, SSLv3_client_data={-2138046439:0}] [L1132] CALL, EXPR s->state [L1132] RET, EXPR s->state [L1132] state = s->state [L1133] CALL, EXPR s->state [L1133] RET, EXPR s->state [L1133] COND FALSE !(s->state == 12292) [L1136] CALL, EXPR s->state [L1136] RET, EXPR s->state [L1136] COND FALSE !(s->state == 16384) [L1139] CALL, EXPR s->state [L1139] RET, EXPR s->state [L1139] COND FALSE !(s->state == 4096) [L1142] CALL, EXPR s->state [L1142] RET, EXPR s->state [L1142] COND FALSE !(s->state == 20480) [L1145] CALL, EXPR s->state [L1145] RET, EXPR s->state [L1145] COND FALSE !(s->state == 4099) [L1148] CALL, EXPR s->state [L1148] RET, EXPR s->state [L1148] COND FALSE !(s->state == 4368) [L1151] CALL, EXPR s->state [L1151] RET, EXPR s->state [L1151] COND FALSE !(s->state == 4369) [L1154] CALL, EXPR s->state [L1154] RET, EXPR s->state [L1154] COND TRUE s->state == 4384 [L1318] ret = __VERIFIER_nondet_int() [L1319] COND TRUE blastFlag == 1 [L1320] blastFlag = 2 VAL [init=1, SSLv3_client_data={-2138046439:0}] [L1324] COND FALSE !(ret <= 0) [L1329] CALL s->hit [L1329] RET s->hit [L1329] COND FALSE !(s->hit) [L1332] CALL s->state = 4400 [L1332] RET s->state = 4400 [L1334] CALL s->init_num = 0 [L1334] RET s->init_num = 0 [L1602] CALL, EXPR s->s3 [L1602] RET, EXPR s->s3 [L1602] CALL, EXPR (s->s3)->tmp.reuse_message [L1602] RET, EXPR (s->s3)->tmp.reuse_message [L1602] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1631] skip = 0 VAL [init=1, SSLv3_client_data={-2138046439:0}] [L1130] COND TRUE 1 VAL [init=1, SSLv3_client_data={-2138046439:0}] [L1132] CALL, EXPR s->state [L1132] RET, EXPR s->state [L1132] state = s->state [L1133] CALL, EXPR s->state [L1133] RET, EXPR s->state [L1133] COND FALSE !(s->state == 12292) [L1136] CALL, EXPR s->state [L1136] RET, EXPR s->state [L1136] COND FALSE !(s->state == 16384) [L1139] CALL, EXPR s->state [L1139] RET, EXPR s->state [L1139] COND FALSE !(s->state == 4096) [L1142] CALL, EXPR s->state [L1142] RET, EXPR s->state [L1142] COND FALSE !(s->state == 20480) [L1145] CALL, EXPR s->state [L1145] RET, EXPR s->state [L1145] COND FALSE !(s->state == 4099) [L1148] CALL, EXPR s->state [L1148] RET, EXPR s->state [L1148] COND FALSE !(s->state == 4368) [L1151] CALL, EXPR s->state [L1151] RET, EXPR s->state [L1151] COND FALSE !(s->state == 4369) [L1154] CALL, EXPR s->state [L1154] RET, EXPR s->state [L1154] COND FALSE !(s->state == 4384) [L1157] CALL, EXPR s->state [L1157] RET, EXPR s->state [L1157] COND FALSE !(s->state == 4385) [L1160] CALL, EXPR s->state [L1160] RET, EXPR s->state [L1160] COND TRUE s->state == 4400 [L1338] CALL, EXPR s->s3 [L1338] RET, EXPR s->s3 [L1338] CALL, EXPR (s->s3)->tmp.new_cipher [L1338] RET, EXPR (s->s3)->tmp.new_cipher [L1338] CALL, EXPR ((s->s3)->tmp.new_cipher)->algorithms [L1338] RET, EXPR ((s->s3)->tmp.new_cipher)->algorithms [L1338] COND FALSE !(((s->s3)->tmp.new_cipher)->algorithms & 256UL) [L1341] ret = __VERIFIER_nondet_int() [L1342] COND TRUE blastFlag == 2 [L1343] blastFlag = 3 VAL [init=1, SSLv3_client_data={-2138046439:0}] [L1347] COND FALSE !(ret <= 0) VAL [init=1, SSLv3_client_data={-2138046439:0}] [L1353] CALL s->state = 4416 [L1353] RET s->state = 4416 [L1354] CALL s->init_num = 0 [L1354] RET s->init_num = 0 [L1602] CALL, EXPR s->s3 [L1602] RET, EXPR s->s3 [L1602] CALL, EXPR (s->s3)->tmp.reuse_message [L1602] RET, EXPR (s->s3)->tmp.reuse_message [L1602] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1631] skip = 0 VAL [init=1, SSLv3_client_data={-2138046439:0}] [L1130] COND TRUE 1 VAL [init=1, SSLv3_client_data={-2138046439:0}] [L1132] CALL, EXPR s->state [L1132] RET, EXPR s->state [L1132] state = s->state [L1133] CALL, EXPR s->state [L1133] RET, EXPR s->state [L1133] COND FALSE !(s->state == 12292) [L1136] CALL, EXPR s->state [L1136] RET, EXPR s->state [L1136] COND FALSE !(s->state == 16384) [L1139] CALL, EXPR s->state [L1139] RET, EXPR s->state [L1139] COND FALSE !(s->state == 4096) [L1142] CALL, EXPR s->state [L1142] RET, EXPR s->state [L1142] COND FALSE !(s->state == 20480) [L1145] CALL, EXPR s->state [L1145] RET, EXPR s->state [L1145] COND FALSE !(s->state == 4099) [L1148] CALL, EXPR s->state [L1148] RET, EXPR s->state [L1148] COND FALSE !(s->state == 4368) [L1151] CALL, EXPR s->state [L1151] RET, EXPR s->state [L1151] COND FALSE !(s->state == 4369) [L1154] CALL, EXPR s->state [L1154] RET, EXPR s->state [L1154] COND FALSE !(s->state == 4384) [L1157] CALL, EXPR s->state [L1157] RET, EXPR s->state [L1157] COND FALSE !(s->state == 4385) [L1160] CALL, EXPR s->state [L1160] RET, EXPR s->state [L1160] COND FALSE !(s->state == 4400) [L1163] CALL, EXPR s->state [L1163] RET, EXPR s->state [L1163] COND FALSE !(s->state == 4401) [L1166] CALL, EXPR s->state [L1166] RET, EXPR s->state [L1166] COND TRUE s->state == 4416 [L1358] ret = __VERIFIER_nondet_int() [L1359] COND TRUE blastFlag == 3 [L1360] blastFlag = 4 VAL [init=1, SSLv3_client_data={-2138046439:0}] [L1364] COND FALSE !(ret <= 0) [L1369] CALL s->state = 4432 [L1369] RET s->state = 4432 [L1370] CALL s->init_num = 0 [L1370] RET s->init_num = 0 [L1371] COND FALSE !(! tmp___6) VAL [init=1, SSLv3_client_data={-2138046439:0}] [L1602] CALL, EXPR s->s3 [L1602] RET, EXPR s->s3 [L1602] CALL, EXPR (s->s3)->tmp.reuse_message [L1602] RET, EXPR (s->s3)->tmp.reuse_message [L1602] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1631] skip = 0 VAL [init=1, SSLv3_client_data={-2138046439:0}] [L1130] COND TRUE 1 VAL [init=1, SSLv3_client_data={-2138046439:0}] [L1132] CALL, EXPR s->state [L1132] RET, EXPR s->state [L1132] state = s->state [L1133] CALL, EXPR s->state [L1133] RET, EXPR s->state [L1133] COND FALSE !(s->state == 12292) [L1136] CALL, EXPR s->state [L1136] RET, EXPR s->state [L1136] COND FALSE !(s->state == 16384) [L1139] CALL, EXPR s->state [L1139] RET, EXPR s->state [L1139] COND FALSE !(s->state == 4096) [L1142] CALL, EXPR s->state [L1142] RET, EXPR s->state [L1142] COND FALSE !(s->state == 20480) [L1145] CALL, EXPR s->state [L1145] RET, EXPR s->state [L1145] COND FALSE !(s->state == 4099) [L1148] CALL, EXPR s->state [L1148] RET, EXPR s->state [L1148] COND FALSE !(s->state == 4368) [L1151] CALL, EXPR s->state [L1151] RET, EXPR s->state [L1151] COND FALSE !(s->state == 4369) [L1154] CALL, EXPR s->state [L1154] RET, EXPR s->state [L1154] COND FALSE !(s->state == 4384) [L1157] CALL, EXPR s->state [L1157] RET, EXPR s->state [L1157] COND FALSE !(s->state == 4385) [L1160] CALL, EXPR s->state [L1160] RET, EXPR s->state [L1160] COND FALSE !(s->state == 4400) [L1163] CALL, EXPR s->state [L1163] RET, EXPR s->state [L1163] COND FALSE !(s->state == 4401) [L1166] CALL, EXPR s->state [L1166] RET, EXPR s->state [L1166] COND FALSE !(s->state == 4416) [L1169] CALL, EXPR s->state [L1169] RET, EXPR s->state [L1169] COND FALSE !(s->state == 4417) [L1172] CALL, EXPR s->state [L1172] RET, EXPR s->state [L1172] COND TRUE s->state == 4432 [L1380] ret = __VERIFIER_nondet_int() [L1381] COND TRUE blastFlag == 4 VAL [init=1, SSLv3_client_data={-2138046439:0}] [L1643] __VERIFIER_error() VAL [init=1, SSLv3_client_data={-2138046439:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 141 locations, 1 error locations. UNSAFE Result, 37.0s OverallTime, 8 OverallIterations, 6 TraceHistogramMax, 20.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1577 SDtfs, 1842 SDslu, 2166 SDs, 0 SdLazy, 1534 SolverSat, 104 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 19.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 565 GetRequests, 529 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=624occurred 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, 427 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.4s SsaConstructionTime, 6.6s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 683 NumberOfCodeBlocks, 683 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 552 ConstructedInterpolants, 4 QuantifiedInterpolants, 158312 SizeOfPredicates, 71 NumberOfNonLiveVariables, 3622 ConjunctsInSsa, 83 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 500/500 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...