./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/ssh/s3_clnt.blast.04_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_fb545ba0-a3f1-4a16-89e0-89e3b05ef2ce/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fb545ba0-a3f1-4a16-89e0-89e3b05ef2ce/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fb545ba0-a3f1-4a16-89e0-89e3b05ef2ce/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fb545ba0-a3f1-4a16-89e0-89e3b05ef2ce/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ssh/s3_clnt.blast.04_false-unreach-call.i.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fb545ba0-a3f1-4a16-89e0-89e3b05ef2ce/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fb545ba0-a3f1-4a16-89e0-89e3b05ef2ce/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 c271f3a8f5eeb9abed31f7632ddca02a2bd7f129 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_fb545ba0-a3f1-4a16-89e0-89e3b05ef2ce/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fb545ba0-a3f1-4a16-89e0-89e3b05ef2ce/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fb545ba0-a3f1-4a16-89e0-89e3b05ef2ce/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fb545ba0-a3f1-4a16-89e0-89e3b05ef2ce/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ssh/s3_clnt.blast.04_false-unreach-call.i.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fb545ba0-a3f1-4a16-89e0-89e3b05ef2ce/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fb545ba0-a3f1-4a16-89e0-89e3b05ef2ce/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 c271f3a8f5eeb9abed31f7632ddca02a2bd7f129 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 04:37:07,732 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:37:07,733 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:37:07,740 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:37:07,740 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:37:07,741 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:37:07,741 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:37:07,743 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:37:07,744 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:37:07,744 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:37:07,745 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:37:07,745 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:37:07,746 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:37:07,746 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:37:07,747 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:37:07,747 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:37:07,748 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:37:07,749 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:37:07,750 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:37:07,751 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:37:07,752 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:37:07,753 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:37:07,755 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:37:07,755 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:37:07,755 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:37:07,755 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:37:07,756 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:37:07,757 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:37:07,757 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:37:07,758 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:37:07,758 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:37:07,759 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:37:07,759 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:37:07,759 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:37:07,759 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:37:07,760 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:37:07,760 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fb545ba0-a3f1-4a16-89e0-89e3b05ef2ce/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 04:37:07,770 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:37:07,770 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:37:07,771 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:37:07,771 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 04:37:07,771 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 04:37:07,771 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 04:37:07,771 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 04:37:07,771 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 04:37:07,771 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 04:37:07,771 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 04:37:07,771 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 04:37:07,772 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:37:07,772 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 04:37:07,772 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 04:37:07,772 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 04:37:07,772 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:37:07,773 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 04:37:07,773 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:37:07,773 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 04:37:07,773 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 04:37:07,773 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:37:07,773 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 04:37:07,773 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:37:07,773 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 04:37:07,774 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:37:07,774 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 04:37:07,774 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 04:37:07,774 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:37:07,774 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:37:07,774 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 04:37:07,774 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 04:37:07,774 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:37:07,774 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 04:37:07,774 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 04:37:07,774 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_fb545ba0-a3f1-4a16-89e0-89e3b05ef2ce/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 -> c271f3a8f5eeb9abed31f7632ddca02a2bd7f129 [2018-11-10 04:37:07,797 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:37:07,805 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:37:07,807 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:37:07,808 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:37:07,808 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:37:07,808 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fb545ba0-a3f1-4a16-89e0-89e3b05ef2ce/bin-2019/utaipan/../../sv-benchmarks/c/ssh/s3_clnt.blast.04_false-unreach-call.i.cil.c [2018-11-10 04:37:07,847 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fb545ba0-a3f1-4a16-89e0-89e3b05ef2ce/bin-2019/utaipan/data/94ca1a6a4/0c406848d0994e4abcd9044944fdce33/FLAG25ac8a3b9 [2018-11-10 04:37:08,322 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:37:08,323 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fb545ba0-a3f1-4a16-89e0-89e3b05ef2ce/sv-benchmarks/c/ssh/s3_clnt.blast.04_false-unreach-call.i.cil.c [2018-11-10 04:37:08,334 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fb545ba0-a3f1-4a16-89e0-89e3b05ef2ce/bin-2019/utaipan/data/94ca1a6a4/0c406848d0994e4abcd9044944fdce33/FLAG25ac8a3b9 [2018-11-10 04:37:08,345 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fb545ba0-a3f1-4a16-89e0-89e3b05ef2ce/bin-2019/utaipan/data/94ca1a6a4/0c406848d0994e4abcd9044944fdce33 [2018-11-10 04:37:08,348 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:37:08,349 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 04:37:08,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:37:08,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:37:08,353 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:37:08,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:37:08" (1/1) ... [2018-11-10 04:37:08,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3059f0c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:08, skipping insertion in model container [2018-11-10 04:37:08,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:37:08" (1/1) ... [2018-11-10 04:37:08,364 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:37:08,411 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:37:08,835 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:37:08,844 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:37:09,082 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:37:09,097 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:37:09,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:09 WrapperNode [2018-11-10 04:37:09,097 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:37:09,098 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 04:37:09,098 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 04:37:09,098 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 04:37:09,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:09" (1/1) ... [2018-11-10 04:37:09,121 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:09" (1/1) ... [2018-11-10 04:37:09,165 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 04:37:09,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:37:09,166 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:37:09,166 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:37:09,173 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:09" (1/1) ... [2018-11-10 04:37:09,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:09" (1/1) ... [2018-11-10 04:37:09,184 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:09" (1/1) ... [2018-11-10 04:37:09,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:09" (1/1) ... [2018-11-10 04:37:09,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:09" (1/1) ... [2018-11-10 04:37:09,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:09" (1/1) ... [2018-11-10 04:37:09,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:09" (1/1) ... [2018-11-10 04:37:09,234 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:37:09,235 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:37:09,235 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:37:09,235 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:37:09,235 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fb545ba0-a3f1-4a16-89e0-89e3b05ef2ce/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 04:37:09,283 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 04:37:09,283 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 04:37:09,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 04:37:09,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 04:37:09,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:37:09,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:37:09,283 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2018-11-10 04:37:09,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2018-11-10 04:37:09,703 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 04:37:09,703 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 04:37:10,123 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:37:10,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:37:10 BoogieIcfgContainer [2018-11-10 04:37:10,123 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:37:10,124 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 04:37:10,124 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 04:37:10,126 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 04:37:10,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 04:37:08" (1/3) ... [2018-11-10 04:37:10,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@610d2a52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:37:10, skipping insertion in model container [2018-11-10 04:37:10,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:09" (2/3) ... [2018-11-10 04:37:10,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@610d2a52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:37:10, skipping insertion in model container [2018-11-10 04:37:10,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:37:10" (3/3) ... [2018-11-10 04:37:10,128 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_clnt.blast.04_false-unreach-call.i.cil.c [2018-11-10 04:37:10,133 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 04:37:10,138 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 04:37:10,147 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 04:37:10,167 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 04:37:10,167 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 04:37:10,168 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 04:37:10,168 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 04:37:10,168 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 04:37:10,168 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 04:37:10,168 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 04:37:10,168 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 04:37:10,181 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-11-10 04:37:10,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 04:37:10,186 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:10,187 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] [2018-11-10 04:37:10,189 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:37:10,193 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:10,193 INFO L82 PathProgramCache]: Analyzing trace with hash -711276758, now seen corresponding path program 1 times [2018-11-10 04:37:10,195 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:37:10,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:10,227 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:10,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:10,228 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:37:10,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:10,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:10,419 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:37:10,420 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 04:37:10,420 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:37:10,423 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 04:37:10,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 04:37:10,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:37:10,433 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 3 states. [2018-11-10 04:37:10,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:10,503 INFO L93 Difference]: Finished difference Result 382 states and 637 transitions. [2018-11-10 04:37:10,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 04:37:10,504 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-11-10 04:37:10,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:10,512 INFO L225 Difference]: With dead ends: 382 [2018-11-10 04:37:10,512 INFO L226 Difference]: Without dead ends: 221 [2018-11-10 04:37:10,515 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:37:10,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2018-11-10 04:37:10,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2018-11-10 04:37:10,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-11-10 04:37:10,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 325 transitions. [2018-11-10 04:37:10,553 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 325 transitions. Word has length 31 [2018-11-10 04:37:10,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:10,554 INFO L481 AbstractCegarLoop]: Abstraction has 221 states and 325 transitions. [2018-11-10 04:37:10,554 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 04:37:10,554 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 325 transitions. [2018-11-10 04:37:10,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 04:37:10,556 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:10,556 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] [2018-11-10 04:37:10,556 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:37:10,557 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:10,557 INFO L82 PathProgramCache]: Analyzing trace with hash 4698912, now seen corresponding path program 1 times [2018-11-10 04:37:10,557 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:37:10,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:10,558 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:10,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:10,558 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:37:10,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:10,655 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:10,656 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:37:10,657 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 04:37:10,657 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:37:10,658 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 04:37:10,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 04:37:10,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:37:10,659 INFO L87 Difference]: Start difference. First operand 221 states and 325 transitions. Second operand 3 states. [2018-11-10 04:37:10,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:10,716 INFO L93 Difference]: Finished difference Result 428 states and 638 transitions. [2018-11-10 04:37:10,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 04:37:10,717 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-10 04:37:10,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:10,719 INFO L225 Difference]: With dead ends: 428 [2018-11-10 04:37:10,719 INFO L226 Difference]: Without dead ends: 322 [2018-11-10 04:37:10,720 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:37:10,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2018-11-10 04:37:10,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 322. [2018-11-10 04:37:10,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2018-11-10 04:37:10,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 473 transitions. [2018-11-10 04:37:10,739 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 473 transitions. Word has length 47 [2018-11-10 04:37:10,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:10,739 INFO L481 AbstractCegarLoop]: Abstraction has 322 states and 473 transitions. [2018-11-10 04:37:10,739 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 04:37:10,739 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 473 transitions. [2018-11-10 04:37:10,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-10 04:37:10,742 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:10,742 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] [2018-11-10 04:37:10,742 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:37:10,742 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:10,742 INFO L82 PathProgramCache]: Analyzing trace with hash -1315709684, now seen corresponding path program 1 times [2018-11-10 04:37:10,743 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:37:10,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:10,744 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:10,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:10,744 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:37:10,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:10,828 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 04:37:10,828 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:37:10,828 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 04:37:10,828 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:37:10,828 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 04:37:10,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 04:37:10,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:37:10,829 INFO L87 Difference]: Start difference. First operand 322 states and 473 transitions. Second operand 3 states. [2018-11-10 04:37:10,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:10,877 INFO L93 Difference]: Finished difference Result 633 states and 938 transitions. [2018-11-10 04:37:10,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 04:37:10,878 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2018-11-10 04:37:10,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:10,879 INFO L225 Difference]: With dead ends: 633 [2018-11-10 04:37:10,879 INFO L226 Difference]: Without dead ends: 426 [2018-11-10 04:37:10,880 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:37:10,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2018-11-10 04:37:10,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 426. [2018-11-10 04:37:10,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2018-11-10 04:37:10,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 628 transitions. [2018-11-10 04:37:10,898 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 628 transitions. Word has length 66 [2018-11-10 04:37:10,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:10,899 INFO L481 AbstractCegarLoop]: Abstraction has 426 states and 628 transitions. [2018-11-10 04:37:10,899 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 04:37:10,899 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 628 transitions. [2018-11-10 04:37:10,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-10 04:37:10,903 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:10,903 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] [2018-11-10 04:37:10,903 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:37:10,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:10,904 INFO L82 PathProgramCache]: Analyzing trace with hash -274819720, now seen corresponding path program 1 times [2018-11-10 04:37:10,904 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:37:10,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:10,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:10,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:10,906 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:37:10,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:10,986 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 04:37:10,987 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:37:10,987 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 04:37:10,987 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:37:10,987 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 04:37:10,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 04:37:10,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:37:10,988 INFO L87 Difference]: Start difference. First operand 426 states and 628 transitions. Second operand 3 states. [2018-11-10 04:37:11,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:11,037 INFO L93 Difference]: Finished difference Result 841 states and 1248 transitions. [2018-11-10 04:37:11,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 04:37:11,038 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 87 [2018-11-10 04:37:11,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:11,039 INFO L225 Difference]: With dead ends: 841 [2018-11-10 04:37:11,039 INFO L226 Difference]: Without dead ends: 530 [2018-11-10 04:37:11,040 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:37:11,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2018-11-10 04:37:11,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 530. [2018-11-10 04:37:11,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 530 states. [2018-11-10 04:37:11,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 784 transitions. [2018-11-10 04:37:11,053 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 784 transitions. Word has length 87 [2018-11-10 04:37:11,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:11,054 INFO L481 AbstractCegarLoop]: Abstraction has 530 states and 784 transitions. [2018-11-10 04:37:11,054 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 04:37:11,054 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 784 transitions. [2018-11-10 04:37:11,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-10 04:37:11,057 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:11,057 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] [2018-11-10 04:37:11,057 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:37:11,057 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:11,058 INFO L82 PathProgramCache]: Analyzing trace with hash -347017571, now seen corresponding path program 1 times [2018-11-10 04:37:11,058 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:37:11,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:11,059 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:11,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:11,059 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:37:11,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:11,216 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 04:37:11,216 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:37:11,216 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 04:37:11,216 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:37:11,217 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 04:37:11,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 04:37:11,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 04:37:11,217 INFO L87 Difference]: Start difference. First operand 530 states and 784 transitions. Second operand 4 states. [2018-11-10 04:37:11,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:11,691 INFO L93 Difference]: Finished difference Result 1520 states and 2255 transitions. [2018-11-10 04:37:11,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 04:37:11,691 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 109 [2018-11-10 04:37:11,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:11,694 INFO L225 Difference]: With dead ends: 1520 [2018-11-10 04:37:11,694 INFO L226 Difference]: Without dead ends: 1003 [2018-11-10 04:37:11,695 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 04:37:11,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1003 states. [2018-11-10 04:37:11,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1003 to 649. [2018-11-10 04:37:11,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 649 states. [2018-11-10 04:37:11,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 973 transitions. [2018-11-10 04:37:11,714 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 973 transitions. Word has length 109 [2018-11-10 04:37:11,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:11,714 INFO L481 AbstractCegarLoop]: Abstraction has 649 states and 973 transitions. [2018-11-10 04:37:11,714 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 04:37:11,714 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 973 transitions. [2018-11-10 04:37:11,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-10 04:37:11,716 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:11,716 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] [2018-11-10 04:37:11,716 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:37:11,716 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:11,716 INFO L82 PathProgramCache]: Analyzing trace with hash 606922587, now seen corresponding path program 1 times [2018-11-10 04:37:11,718 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:37:11,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:11,719 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:11,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:11,719 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:37:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:11,859 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-10 04:37:11,859 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:37:11,859 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 04:37:11,860 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:37:11,860 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 04:37:11,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 04:37:11,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-10 04:37:11,861 INFO L87 Difference]: Start difference. First operand 649 states and 973 transitions. Second operand 6 states. [2018-11-10 04:37:12,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:12,167 INFO L93 Difference]: Finished difference Result 1245 states and 1866 transitions. [2018-11-10 04:37:12,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 04:37:12,168 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 109 [2018-11-10 04:37:12,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:12,170 INFO L225 Difference]: With dead ends: 1245 [2018-11-10 04:37:12,170 INFO L226 Difference]: Without dead ends: 733 [2018-11-10 04:37:12,171 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 [2018-11-10 04:37:12,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2018-11-10 04:37:12,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 658. [2018-11-10 04:37:12,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 658 states. [2018-11-10 04:37:12,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 987 transitions. [2018-11-10 04:37:12,183 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 987 transitions. Word has length 109 [2018-11-10 04:37:12,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:12,183 INFO L481 AbstractCegarLoop]: Abstraction has 658 states and 987 transitions. [2018-11-10 04:37:12,183 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 04:37:12,184 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 987 transitions. [2018-11-10 04:37:12,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-10 04:37:12,185 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:12,185 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] [2018-11-10 04:37:12,185 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:37:12,185 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:12,186 INFO L82 PathProgramCache]: Analyzing trace with hash -486066908, now seen corresponding path program 1 times [2018-11-10 04:37:12,186 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:37:12,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:12,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:12,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:12,187 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:37:12,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:12,294 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-10 04:37:12,294 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:37:12,294 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 04:37:12,294 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:37:12,294 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 04:37:12,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 04:37:12,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-10 04:37:12,295 INFO L87 Difference]: Start difference. First operand 658 states and 987 transitions. Second operand 6 states. [2018-11-10 04:37:12,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:12,520 INFO L93 Difference]: Finished difference Result 1242 states and 1862 transitions. [2018-11-10 04:37:12,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 04:37:12,521 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 110 [2018-11-10 04:37:12,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:12,522 INFO L225 Difference]: With dead ends: 1242 [2018-11-10 04:37:12,523 INFO L226 Difference]: Without dead ends: 730 [2018-11-10 04:37:12,523 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 [2018-11-10 04:37:12,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2018-11-10 04:37:12,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 659. [2018-11-10 04:37:12,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2018-11-10 04:37:12,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 988 transitions. [2018-11-10 04:37:12,535 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 988 transitions. Word has length 110 [2018-11-10 04:37:12,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:12,535 INFO L481 AbstractCegarLoop]: Abstraction has 659 states and 988 transitions. [2018-11-10 04:37:12,535 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 04:37:12,535 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 988 transitions. [2018-11-10 04:37:12,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-10 04:37:12,537 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:12,537 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] [2018-11-10 04:37:12,537 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:37:12,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:12,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1714542315, now seen corresponding path program 1 times [2018-11-10 04:37:12,537 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:37:12,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:12,538 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:12,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:12,538 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:37:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:37:12,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:37:12,769 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 04:37:12,783 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 04:37:12,784 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 04:37:12,785 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 04:37:12,785 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 04:37:12,786 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 04:37:12,786 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 04:37:12,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 04:37:12 BoogieIcfgContainer [2018-11-10 04:37:12,828 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 04:37:12,828 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:37:12,829 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:37:12,829 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:37:12,829 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:37:10" (3/4) ... [2018-11-10 04:37:12,832 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 04:37:12,832 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:37:12,832 INFO L168 Benchmark]: Toolchain (without parser) took 4484.12 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 246.4 MB). Free memory was 957.6 MB in the beginning and 839.6 MB in the end (delta: 118.1 MB). Peak memory consumption was 364.5 MB. Max. memory is 11.5 GB. [2018-11-10 04:37:12,834 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:37:12,834 INFO L168 Benchmark]: CACSL2BoogieTranslator took 747.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -182.1 MB). Peak memory consumption was 190.8 MB. Max. memory is 11.5 GB. [2018-11-10 04:37:12,834 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.55 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: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. [2018-11-10 04:37:12,835 INFO L168 Benchmark]: Boogie Preprocessor took 68.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 11.5 GB. [2018-11-10 04:37:12,836 INFO L168 Benchmark]: RCFGBuilder took 888.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 964.5 MB in the end (delta: 154.3 MB). Peak memory consumption was 154.3 MB. Max. memory is 11.5 GB. [2018-11-10 04:37:12,837 INFO L168 Benchmark]: TraceAbstraction took 2704.53 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 91.8 MB). Free memory was 964.5 MB in the beginning and 839.6 MB in the end (delta: 124.9 MB). Peak memory consumption was 216.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:37:12,837 INFO L168 Benchmark]: Witness Printer took 3.37 ms. Allocated memory is still 1.3 GB. Free memory is still 839.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:37:12,840 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 747.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -182.1 MB). Peak memory consumption was 190.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 67.55 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: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 68.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 888.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 964.5 MB in the end (delta: 154.3 MB). Peak memory consumption was 154.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2704.53 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 91.8 MB). Free memory was 964.5 MB in the beginning and 839.6 MB in the end (delta: 124.9 MB). Peak memory consumption was 216.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.37 ms. Allocated memory is still 1.3 GB. Free memory is still 839.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 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 1334. 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}] [L1299] COND FALSE !(ret <= 0) [L1304] CALL s->state = 4384 [L1304] RET s->state = 4384 [L1305] CALL s->init_num = 0 [L1305] RET s->init_num = 0 [L1306] CALL, EXPR s->bbio [L1306] RET, EXPR s->bbio [L1306] CALL, EXPR s->wbio [L1306] RET, EXPR s->wbio [L1306] 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 [L1314] ret = __VERIFIER_nondet_int() [L1315] COND TRUE blastFlag == 1 [L1316] blastFlag = 2 VAL [init=1, SSLv3_client_data={20490:0}] [L1320] COND FALSE !(ret <= 0) [L1325] CALL s->hit [L1325] RET s->hit [L1325] COND FALSE !(s->hit) [L1328] CALL s->state = 4400 [L1328] RET s->state = 4400 [L1330] CALL s->init_num = 0 [L1330] 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 [L1334] CALL, EXPR s->s3 [L1334] RET, EXPR s->s3 [L1334] CALL, EXPR (s->s3)->tmp.new_cipher [L1334] RET, EXPR (s->s3)->tmp.new_cipher [L1334] CALL, EXPR ((s->s3)->tmp.new_cipher)->algorithms [L1334] RET, EXPR ((s->s3)->tmp.new_cipher)->algorithms [L1334] COND FALSE !(((s->s3)->tmp.new_cipher)->algorithms & 256UL) [L1337] ret = __VERIFIER_nondet_int() [L1338] COND TRUE blastFlag == 2 [L1339] 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, 2.6s OverallTime, 8 OverallIterations, 6 TraceHistogramMax, 1.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1204 SDtfs, 1239 SDslu, 1282 SDs, 0 SdLazy, 732 SolverSat, 103 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=659occurred 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, 500 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s 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 [2018-11-10 04:37:14,223 INFO L170 SettingsManager]: Resetting all preferences to default values... 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[2018-11-10 04:37:14,248 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:37:14,248 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:37:14,249 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:37:14,250 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:37:14,251 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:37:14,251 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:37:14,252 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:37:14,252 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:37:14,252 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:37:14,253 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:37:14,253 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:37:14,254 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:37:14,254 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:37:14,254 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fb545ba0-a3f1-4a16-89e0-89e3b05ef2ce/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-10 04:37:14,265 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:37:14,265 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:37:14,266 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:37:14,266 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 04:37:14,266 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 04:37:14,266 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 04:37:14,266 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 04:37:14,266 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 04:37:14,267 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:37:14,267 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 04:37:14,267 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 04:37:14,267 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:37:14,267 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 04:37:14,267 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:37:14,267 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 04:37:14,267 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 04:37:14,267 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 04:37:14,268 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 04:37:14,268 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:37:14,268 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 04:37:14,268 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:37:14,268 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 04:37:14,268 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:37:14,268 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 04:37:14,270 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 04:37:14,270 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:37:14,270 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:37:14,270 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 04:37:14,270 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 04:37:14,271 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:37:14,271 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 04:37:14,271 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 04:37:14,271 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_fb545ba0-a3f1-4a16-89e0-89e3b05ef2ce/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 -> c271f3a8f5eeb9abed31f7632ddca02a2bd7f129 [2018-11-10 04:37:14,298 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:37:14,306 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:37:14,308 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:37:14,309 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:37:14,309 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:37:14,309 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fb545ba0-a3f1-4a16-89e0-89e3b05ef2ce/bin-2019/utaipan/../../sv-benchmarks/c/ssh/s3_clnt.blast.04_false-unreach-call.i.cil.c [2018-11-10 04:37:14,343 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fb545ba0-a3f1-4a16-89e0-89e3b05ef2ce/bin-2019/utaipan/data/8b9c24cbe/074013fa4aa54df5a87b53b07cc2f370/FLAGf4260af43 [2018-11-10 04:37:14,787 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:37:14,788 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fb545ba0-a3f1-4a16-89e0-89e3b05ef2ce/sv-benchmarks/c/ssh/s3_clnt.blast.04_false-unreach-call.i.cil.c [2018-11-10 04:37:14,798 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fb545ba0-a3f1-4a16-89e0-89e3b05ef2ce/bin-2019/utaipan/data/8b9c24cbe/074013fa4aa54df5a87b53b07cc2f370/FLAGf4260af43 [2018-11-10 04:37:14,807 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fb545ba0-a3f1-4a16-89e0-89e3b05ef2ce/bin-2019/utaipan/data/8b9c24cbe/074013fa4aa54df5a87b53b07cc2f370 [2018-11-10 04:37:14,809 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:37:14,810 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 04:37:14,811 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:37:14,811 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:37:14,813 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:37:14,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:37:14" (1/1) ... [2018-11-10 04:37:14,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fb25dbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:14, skipping insertion in model container [2018-11-10 04:37:14,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:37:14" (1/1) ... [2018-11-10 04:37:14,820 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:37:14,859 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:37:15,283 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:37:15,293 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:37:15,507 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:37:15,519 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:37:15,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:15 WrapperNode [2018-11-10 04:37:15,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:37:15,520 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 04:37:15,520 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 04:37:15,521 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 04:37:15,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:15" (1/1) ... [2018-11-10 04:37:15,617 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:15" (1/1) ... [2018-11-10 04:37:15,663 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 04:37:15,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:37:15,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:37:15,664 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:37:15,672 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:15" (1/1) ... [2018-11-10 04:37:15,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:15" (1/1) ... [2018-11-10 04:37:15,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:15" (1/1) ... [2018-11-10 04:37:15,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:15" (1/1) ... [2018-11-10 04:37:15,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:15" (1/1) ... [2018-11-10 04:37:15,724 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:15" (1/1) ... [2018-11-10 04:37:15,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:15" (1/1) ... [2018-11-10 04:37:15,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:37:15,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:37:15,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:37:15,737 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:37:15,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fb545ba0-a3f1-4a16-89e0-89e3b05ef2ce/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 04:37:15,783 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 04:37:15,783 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 04:37:15,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 04:37:15,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 04:37:15,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:37:15,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:37:15,784 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2018-11-10 04:37:15,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2018-11-10 04:37:18,161 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 04:37:18,162 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 04:37:18,863 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:37:18,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:37:18 BoogieIcfgContainer [2018-11-10 04:37:18,863 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:37:18,864 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 04:37:18,864 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 04:37:18,867 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 04:37:18,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 04:37:14" (1/3) ... [2018-11-10 04:37:18,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@273a0615 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:37:18, skipping insertion in model container [2018-11-10 04:37:18,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:15" (2/3) ... [2018-11-10 04:37:18,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@273a0615 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:37:18, skipping insertion in model container [2018-11-10 04:37:18,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:37:18" (3/3) ... [2018-11-10 04:37:18,869 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_clnt.blast.04_false-unreach-call.i.cil.c [2018-11-10 04:37:18,877 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 04:37:18,883 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 04:37:18,892 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 04:37:18,910 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 04:37:18,910 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 04:37:18,910 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 04:37:18,911 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 04:37:18,911 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 04:37:18,911 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 04:37:18,911 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 04:37:18,911 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 04:37:18,911 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 04:37:18,923 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-11-10 04:37:18,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 04:37:18,929 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:18,930 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] [2018-11-10 04:37:18,932 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:37:18,935 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:18,935 INFO L82 PathProgramCache]: Analyzing trace with hash -711276758, now seen corresponding path program 1 times [2018-11-10 04:37:18,938 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 04:37:18,938 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fb545ba0-a3f1-4a16-89e0-89e3b05ef2ce/bin-2019/utaipan/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 04:37:18,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:19,077 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:19,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:19,113 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (2)] Exception during sending of exit command (exit): Broken pipe [2018-11-10 04:37:19,119 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:37:19,120 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 04:37:19,123 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 04:37:19,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 04:37:19,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:37:19,136 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 3 states. [2018-11-10 04:37:19,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:19,195 INFO L93 Difference]: Finished difference Result 382 states and 637 transitions. [2018-11-10 04:37:19,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 04:37:19,196 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-11-10 04:37:19,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:19,204 INFO L225 Difference]: With dead ends: 382 [2018-11-10 04:37:19,204 INFO L226 Difference]: Without dead ends: 221 [2018-11-10 04:37:19,206 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 [2018-11-10 04:37:19,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2018-11-10 04:37:19,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2018-11-10 04:37:19,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-11-10 04:37:19,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 325 transitions. [2018-11-10 04:37:19,245 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 325 transitions. Word has length 31 [2018-11-10 04:37:19,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:19,246 INFO L481 AbstractCegarLoop]: Abstraction has 221 states and 325 transitions. [2018-11-10 04:37:19,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 04:37:19,246 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 325 transitions. [2018-11-10 04:37:19,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 04:37:19,247 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:19,247 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] [2018-11-10 04:37:19,247 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:37:19,248 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:19,248 INFO L82 PathProgramCache]: Analyzing trace with hash 4698912, now seen corresponding path program 1 times [2018-11-10 04:37:19,248 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 04:37:19,249 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fb545ba0-a3f1-4a16-89e0-89e3b05ef2ce/bin-2019/utaipan/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 04:37:19,276 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:19,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:19,395 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:19,418 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:19,418 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (3)] Exception during sending of exit command (exit): Broken pipe [2018-11-10 04:37:19,421 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:37:19,421 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 04:37:19,423 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 04:37:19,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 04:37:19,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:37:19,423 INFO L87 Difference]: Start difference. First operand 221 states and 325 transitions. Second operand 3 states. [2018-11-10 04:37:19,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:19,476 INFO L93 Difference]: Finished difference Result 428 states and 638 transitions. [2018-11-10 04:37:19,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 04:37:19,476 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-10 04:37:19,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:19,479 INFO L225 Difference]: With dead ends: 428 [2018-11-10 04:37:19,479 INFO L226 Difference]: Without dead ends: 322 [2018-11-10 04:37:19,480 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 [2018-11-10 04:37:19,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2018-11-10 04:37:19,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 322. [2018-11-10 04:37:19,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2018-11-10 04:37:19,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 473 transitions. [2018-11-10 04:37:19,498 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 473 transitions. Word has length 47 [2018-11-10 04:37:19,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:19,498 INFO L481 AbstractCegarLoop]: Abstraction has 322 states and 473 transitions. [2018-11-10 04:37:19,498 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 04:37:19,498 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 473 transitions. [2018-11-10 04:37:19,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-10 04:37:19,500 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:19,502 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] [2018-11-10 04:37:19,502 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:37:19,502 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:19,502 INFO L82 PathProgramCache]: Analyzing trace with hash -1315709684, now seen corresponding path program 1 times [2018-11-10 04:37:19,503 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 04:37:19,503 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fb545ba0-a3f1-4a16-89e0-89e3b05ef2ce/bin-2019/utaipan/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 04:37:19,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:19,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:19,673 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:19,686 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 04:37:19,687 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 04:37:19,689 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:37:19,689 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 04:37:19,689 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 04:37:19,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 04:37:19,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:37:19,690 INFO L87 Difference]: Start difference. First operand 322 states and 473 transitions. Second operand 3 states. [2018-11-10 04:37:19,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:19,731 INFO L93 Difference]: Finished difference Result 631 states and 935 transitions. [2018-11-10 04:37:19,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 04:37:19,732 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2018-11-10 04:37:19,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:19,734 INFO L225 Difference]: With dead ends: 631 [2018-11-10 04:37:19,734 INFO L226 Difference]: Without dead ends: 424 [2018-11-10 04:37:19,735 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 [2018-11-10 04:37:19,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2018-11-10 04:37:19,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 424. [2018-11-10 04:37:19,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 424 states. [2018-11-10 04:37:19,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 623 transitions. [2018-11-10 04:37:19,753 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 623 transitions. Word has length 66 [2018-11-10 04:37:19,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:19,754 INFO L481 AbstractCegarLoop]: Abstraction has 424 states and 623 transitions. [2018-11-10 04:37:19,754 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 04:37:19,754 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 623 transitions. [2018-11-10 04:37:19,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-10 04:37:19,757 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:19,757 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] [2018-11-10 04:37:19,757 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:37:19,757 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:19,757 INFO L82 PathProgramCache]: Analyzing trace with hash -274819720, now seen corresponding path program 1 times [2018-11-10 04:37:19,758 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 04:37:19,758 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fb545ba0-a3f1-4a16-89e0-89e3b05ef2ce/bin-2019/utaipan/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 04:37:19,781 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:19,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:19,940 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:19,955 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 04:37:19,955 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 04:37:19,957 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:37:19,957 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 04:37:19,957 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 04:37:19,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 04:37:19,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:37:19,958 INFO L87 Difference]: Start difference. First operand 424 states and 623 transitions. Second operand 3 states. [2018-11-10 04:37:19,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:19,992 INFO L93 Difference]: Finished difference Result 835 states and 1236 transitions. [2018-11-10 04:37:19,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 04:37:19,992 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 87 [2018-11-10 04:37:19,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:19,993 INFO L225 Difference]: With dead ends: 835 [2018-11-10 04:37:19,994 INFO L226 Difference]: Without dead ends: 526 [2018-11-10 04:37:19,994 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 [2018-11-10 04:37:19,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2018-11-10 04:37:20,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2018-11-10 04:37:20,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 526 states. [2018-11-10 04:37:20,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 773 transitions. [2018-11-10 04:37:20,006 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 773 transitions. Word has length 87 [2018-11-10 04:37:20,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:20,007 INFO L481 AbstractCegarLoop]: Abstraction has 526 states and 773 transitions. [2018-11-10 04:37:20,007 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 04:37:20,007 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 773 transitions. [2018-11-10 04:37:20,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-10 04:37:20,010 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:20,010 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] [2018-11-10 04:37:20,010 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:37:20,011 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:20,011 INFO L82 PathProgramCache]: Analyzing trace with hash -347017571, now seen corresponding path program 1 times [2018-11-10 04:37:20,011 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 04:37:20,011 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fb545ba0-a3f1-4a16-89e0-89e3b05ef2ce/bin-2019/utaipan/cvc4nyu Starting monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 04:37:20,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:20,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:20,926 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:20,965 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-11-10 04:37:20,969 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-10 04:37:20,969 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 04:37:20,973 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:37:20,977 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:37:20,978 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:17, output treesize:13 [2018-11-10 04:37:20,998 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2018-11-10 04:37:21,002 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:37:21,004 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-11-10 04:37:21,005 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 04:37:21,012 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:37:21,020 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:37:21,020 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:13 [2018-11-10 04:37:21,033 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 [2018-11-10 04:37:21,035 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 [2018-11-10 04:37:21,035 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 04:37:21,036 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:37:21,037 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:37:21,038 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-11-10 04:37:21,053 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 04:37:21,053 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 04:37:21,056 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:37:21,057 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 04:37:21,057 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 04:37:21,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 04:37:21,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-10 04:37:21,057 INFO L87 Difference]: Start difference. First operand 526 states and 773 transitions. Second operand 7 states. [2018-11-10 04:37:24,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:24,212 INFO L93 Difference]: Finished difference Result 1410 states and 2081 transitions. [2018-11-10 04:37:24,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 04:37:24,213 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 109 [2018-11-10 04:37:24,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:24,217 INFO L225 Difference]: With dead ends: 1410 [2018-11-10 04:37:24,217 INFO L226 Difference]: Without dead ends: 897 [2018-11-10 04:37:24,218 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-10 04:37:24,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 897 states. [2018-11-10 04:37:24,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 897 to 614. [2018-11-10 04:37:24,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2018-11-10 04:37:24,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 917 transitions. [2018-11-10 04:37:24,244 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 917 transitions. Word has length 109 [2018-11-10 04:37:24,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:24,244 INFO L481 AbstractCegarLoop]: Abstraction has 614 states and 917 transitions. [2018-11-10 04:37:24,244 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 04:37:24,244 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 917 transitions. [2018-11-10 04:37:24,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-10 04:37:24,246 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:24,246 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] [2018-11-10 04:37:24,246 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:37:24,248 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:24,248 INFO L82 PathProgramCache]: Analyzing trace with hash 606922587, now seen corresponding path program 1 times [2018-11-10 04:37:24,248 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 04:37:24,248 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fb545ba0-a3f1-4a16-89e0-89e3b05ef2ce/bin-2019/utaipan/cvc4nyu Starting monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 04:37:24,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:25,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:25,716 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:25,833 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 [2018-11-10 04:37:25,835 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 [2018-11-10 04:37:25,838 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:37:25,840 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-11-10 04:37:25,841 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-10 04:37:25,847 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:37:25,865 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 [2018-11-10 04:37:25,867 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 04:37:25,867 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-10 04:37:25,875 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:37:25,883 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:37:25,889 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 [2018-11-10 04:37:25,892 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 [2018-11-10 04:37:25,902 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:37:25,908 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 [2018-11-10 04:37:25,909 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-10 04:37:25,920 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:37:25,939 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 [2018-11-10 04:37:25,946 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:37:25,954 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:37:25,977 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 [2018-11-10 04:37:25,978 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 4 xjuncts. [2018-11-10 04:37:26,016 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-10 04:37:26,041 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-10 04:37:26,079 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. [2018-11-10 04:37:26,080 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 4 variables, input treesize:45, output treesize:56 [2018-11-10 04:37:26,190 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 [2018-11-10 04:37:26,205 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:37:26,208 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 [2018-11-10 04:37:26,209 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 04:37:26,290 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:37:26,292 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:37:26,295 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:37:26,313 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 [2018-11-10 04:37:26,314 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-10 04:37:26,396 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 04:37:26,466 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 [2018-11-10 04:37:26,469 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:37:26,471 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-11-10 04:37:26,471 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-10 04:37:26,481 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:37:26,522 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. [2018-11-10 04:37:26,522 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:62, output treesize:51 [2018-11-10 04:37:26,610 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 [2018-11-10 04:37:26,612 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 [2018-11-10 04:37:26,612 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 04:37:26,613 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:37:26,614 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:37:26,614 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-11-10 04:37:26,634 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-10 04:37:26,634 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 04:37:26,638 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:37:26,638 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 04:37:26,638 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 04:37:26,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 04:37:26,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-11-10 04:37:26,639 INFO L87 Difference]: Start difference. First operand 614 states and 917 transitions. Second operand 9 states. [2018-11-10 04:37:29,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:29,580 INFO L93 Difference]: Finished difference Result 1177 states and 1757 transitions. [2018-11-10 04:37:29,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 04:37:29,582 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 109 [2018-11-10 04:37:29,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:29,584 INFO L225 Difference]: With dead ends: 1177 [2018-11-10 04:37:29,584 INFO L226 Difference]: Without dead ends: 698 [2018-11-10 04:37:29,585 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2018-11-10 04:37:29,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2018-11-10 04:37:29,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 623. [2018-11-10 04:37:29,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 623 states. [2018-11-10 04:37:29,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 931 transitions. [2018-11-10 04:37:29,608 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 931 transitions. Word has length 109 [2018-11-10 04:37:29,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:29,608 INFO L481 AbstractCegarLoop]: Abstraction has 623 states and 931 transitions. [2018-11-10 04:37:29,608 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 04:37:29,608 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 931 transitions. [2018-11-10 04:37:29,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-10 04:37:29,610 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:29,610 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] [2018-11-10 04:37:29,610 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:37:29,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:29,610 INFO L82 PathProgramCache]: Analyzing trace with hash -486066908, now seen corresponding path program 1 times [2018-11-10 04:37:29,611 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 04:37:29,611 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fb545ba0-a3f1-4a16-89e0-89e3b05ef2ce/bin-2019/utaipan/cvc4nyu Starting monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 04:37:29,636 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:30,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:31,153 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:31,234 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 [2018-11-10 04:37:31,236 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 [2018-11-10 04:37:31,241 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:37:31,244 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 [2018-11-10 04:37:31,245 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-10 04:37:31,258 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:37:31,276 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 [2018-11-10 04:37:31,280 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:37:31,284 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:37:31,307 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 [2018-11-10 04:37:31,308 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 4 xjuncts. [2018-11-10 04:37:31,339 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-10 04:37:31,364 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-10 04:37:31,379 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 [2018-11-10 04:37:31,381 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 [2018-11-10 04:37:31,384 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:37:31,386 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-11-10 04:37:31,387 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-10 04:37:31,393 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:37:31,410 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 [2018-11-10 04:37:31,412 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 04:37:31,412 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-10 04:37:31,420 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:37:31,428 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:37:31,464 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. [2018-11-10 04:37:31,464 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 4 variables, input treesize:45, output treesize:56 [2018-11-10 04:37:31,580 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 [2018-11-10 04:37:31,586 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:37:31,589 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 [2018-11-10 04:37:31,590 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 04:37:31,651 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:37:31,652 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:37:31,654 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:37:31,665 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 [2018-11-10 04:37:31,666 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-10 04:37:31,715 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 04:37:31,777 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 [2018-11-10 04:37:31,780 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:37:31,782 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-11-10 04:37:31,782 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-10 04:37:31,790 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:37:31,827 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. [2018-11-10 04:37:31,827 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:62, output treesize:51 [2018-11-10 04:37:31,907 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 [2018-11-10 04:37:31,909 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 [2018-11-10 04:37:31,909 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 04:37:31,910 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:37:31,911 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:37:31,911 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2018-11-10 04:37:31,928 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-10 04:37:31,928 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 04:37:31,931 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:37:31,931 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 04:37:31,932 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 04:37:31,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 04:37:31,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-11-10 04:37:31,932 INFO L87 Difference]: Start difference. First operand 623 states and 931 transitions. Second operand 9 states. [2018-11-10 04:37:39,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:39,216 INFO L93 Difference]: Finished difference Result 1174 states and 1753 transitions. [2018-11-10 04:37:39,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 04:37:39,217 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 110 [2018-11-10 04:37:39,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:39,219 INFO L225 Difference]: With dead ends: 1174 [2018-11-10 04:37:39,219 INFO L226 Difference]: Without dead ends: 695 [2018-11-10 04:37:39,220 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 [2018-11-10 04:37:39,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2018-11-10 04:37:39,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 624. [2018-11-10 04:37:39,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2018-11-10 04:37:39,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 932 transitions. [2018-11-10 04:37:39,244 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 932 transitions. Word has length 110 [2018-11-10 04:37:39,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:39,244 INFO L481 AbstractCegarLoop]: Abstraction has 624 states and 932 transitions. [2018-11-10 04:37:39,244 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 04:37:39,244 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 932 transitions. [2018-11-10 04:37:39,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-10 04:37:39,245 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:39,246 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] [2018-11-10 04:37:39,246 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:37:39,246 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:39,246 INFO L82 PathProgramCache]: Analyzing trace with hash -1714542315, now seen corresponding path program 1 times [2018-11-10 04:37:39,247 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 04:37:39,247 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fb545ba0-a3f1-4a16-89e0-89e3b05ef2ce/bin-2019/utaipan/cvc4nyu Starting monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 04:37:39,264 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:41,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:37:43,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:37:44,213 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 04:37:44,230 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 04:37:44,231 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 04:37:44,231 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 04:37:44,232 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 04:37:44,232 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 04:37:44,232 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 04:37:44,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 04:37:44 BoogieIcfgContainer [2018-11-10 04:37:44,283 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 04:37:44,284 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:37:44,284 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:37:44,284 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:37:44,285 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:37:18" (3/4) ... [2018-11-10 04:37:44,287 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 04:37:44,290 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 04:37:44,291 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 04:37:44,291 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 04:37:44,291 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 04:37:44,291 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 04:37:44,291 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 04:37:44,358 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fb545ba0-a3f1-4a16-89e0-89e3b05ef2ce/bin-2019/utaipan/witness.graphml [2018-11-10 04:37:44,358 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:37:44,359 INFO L168 Benchmark]: Toolchain (without parser) took 29549.12 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 302.5 MB). Free memory was 945.5 MB in the beginning and 910.5 MB in the end (delta: 35.0 MB). Peak memory consumption was 337.5 MB. Max. memory is 11.5 GB. [2018-11-10 04:37:44,360 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:37:44,360 INFO L168 Benchmark]: CACSL2BoogieTranslator took 709.36 ms. Allocated memory is still 1.0 GB. Free memory was 945.5 MB in the beginning and 767.2 MB in the end (delta: 178.2 MB). Peak memory consumption was 178.2 MB. Max. memory is 11.5 GB. [2018-11-10 04:37:44,360 INFO L168 Benchmark]: Boogie Procedure Inliner took 142.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 767.2 MB in the beginning and 1.1 GB in the end (delta: -355.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2018-11-10 04:37:44,360 INFO L168 Benchmark]: Boogie Preprocessor took 73.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 11.5 GB. [2018-11-10 04:37:44,361 INFO L168 Benchmark]: RCFGBuilder took 3126.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 953.2 MB in the end (delta: 163.1 MB). Peak memory consumption was 163.1 MB. Max. memory is 11.5 GB. [2018-11-10 04:37:44,361 INFO L168 Benchmark]: TraceAbstraction took 25419.44 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 165.7 MB). Free memory was 953.2 MB in the beginning and 919.4 MB in the end (delta: 33.9 MB). Peak memory consumption was 199.6 MB. Max. memory is 11.5 GB. [2018-11-10 04:37:44,361 INFO L168 Benchmark]: Witness Printer took 74.48 ms. Allocated memory is still 1.3 GB. Free memory was 919.4 MB in the beginning and 910.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. [2018-11-10 04:37:44,362 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 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 709.36 ms. Allocated memory is still 1.0 GB. Free memory was 945.5 MB in the beginning and 767.2 MB in the end (delta: 178.2 MB). Peak memory consumption was 178.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 142.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 767.2 MB in the beginning and 1.1 GB in the end (delta: -355.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 73.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3126.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 953.2 MB in the end (delta: 163.1 MB). Peak memory consumption was 163.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 25419.44 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 165.7 MB). Free memory was 953.2 MB in the beginning and 919.4 MB in the end (delta: 33.9 MB). Peak memory consumption was 199.6 MB. Max. memory is 11.5 GB. * Witness Printer took 74.48 ms. Allocated memory is still 1.3 GB. Free memory was 919.4 MB in the beginning and 910.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 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}] [L1299] COND FALSE !(ret <= 0) [L1304] CALL s->state = 4384 [L1304] RET s->state = 4384 [L1305] CALL s->init_num = 0 [L1305] RET s->init_num = 0 [L1306] CALL, EXPR s->bbio [L1306] RET, EXPR s->bbio [L1306] CALL, EXPR s->wbio [L1306] RET, EXPR s->wbio [L1306] 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 [L1314] ret = __VERIFIER_nondet_int() [L1315] COND TRUE blastFlag == 1 [L1316] blastFlag = 2 VAL [init=1, SSLv3_client_data={-2138046439:0}] [L1320] COND FALSE !(ret <= 0) [L1325] CALL s->hit [L1325] RET s->hit [L1325] COND FALSE !(s->hit) [L1328] CALL s->state = 4400 [L1328] RET s->state = 4400 [L1330] CALL s->init_num = 0 [L1330] 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 [L1334] CALL, EXPR s->s3 [L1334] RET, EXPR s->s3 [L1334] CALL, EXPR (s->s3)->tmp.new_cipher [L1334] RET, EXPR (s->s3)->tmp.new_cipher [L1334] CALL, EXPR ((s->s3)->tmp.new_cipher)->algorithms [L1334] RET, EXPR ((s->s3)->tmp.new_cipher)->algorithms [L1334] COND FALSE !(((s->s3)->tmp.new_cipher)->algorithms & 256UL) [L1337] ret = __VERIFIER_nondet_int() [L1338] COND TRUE blastFlag == 2 [L1339] 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, 25.3s OverallTime, 8 OverallIterations, 6 TraceHistogramMax, 13.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1577 SDtfs, 1854 SDslu, 2053 SDs, 0 SdLazy, 1419 SolverSat, 105 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 12.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 565 GetRequests, 529 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.5s 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, 429 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 5.3s SatisfiabilityAnalysisTime, 2.7s 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...