./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ssh-simplified/s3_srvr_14_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5ea08e83-0497-4b58-86ca-163e34b708fa/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5ea08e83-0497-4b58-86ca-163e34b708fa/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5ea08e83-0497-4b58-86ca-163e34b708fa/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5ea08e83-0497-4b58-86ca-163e34b708fa/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ssh-simplified/s3_srvr_14_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5ea08e83-0497-4b58-86ca-163e34b708fa/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5ea08e83-0497-4b58-86ca-163e34b708fa/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 8b245293effe524631a7c3459bf277cf6c81eafa .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.23-635dfa2 [2018-12-03 04:02:12,185 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 04:02:12,186 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 04:02:12,194 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 04:02:12,194 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 04:02:12,195 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 04:02:12,196 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 04:02:12,197 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 04:02:12,198 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 04:02:12,199 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 04:02:12,199 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 04:02:12,200 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 04:02:12,200 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 04:02:12,201 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 04:02:12,201 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 04:02:12,202 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 04:02:12,202 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 04:02:12,204 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 04:02:12,205 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 04:02:12,206 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 04:02:12,207 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 04:02:12,208 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 04:02:12,209 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 04:02:12,210 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 04:02:12,210 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 04:02:12,210 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 04:02:12,211 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 04:02:12,212 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 04:02:12,212 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 04:02:12,213 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 04:02:12,213 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 04:02:12,213 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 04:02:12,214 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 04:02:12,214 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 04:02:12,214 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 04:02:12,215 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 04:02:12,215 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5ea08e83-0497-4b58-86ca-163e34b708fa/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 04:02:12,225 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 04:02:12,225 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 04:02:12,225 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 04:02:12,225 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 04:02:12,225 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 04:02:12,226 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 04:02:12,226 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 04:02:12,226 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 04:02:12,226 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 04:02:12,226 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 04:02:12,226 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 04:02:12,226 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 04:02:12,226 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 04:02:12,227 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 04:02:12,227 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 04:02:12,227 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 04:02:12,227 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 04:02:12,227 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 04:02:12,227 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 04:02:12,227 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 04:02:12,227 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 04:02:12,227 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 04:02:12,227 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 04:02:12,227 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 04:02:12,228 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 04:02:12,228 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 04:02:12,228 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 04:02:12,228 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 04:02:12,228 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 04:02:12,228 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 04:02:12,228 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 04:02:12,228 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 04:02:12,228 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 04:02:12,228 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 04:02:12,228 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 04:02:12,229 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 04:02:12,229 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_5ea08e83-0497-4b58-86ca-163e34b708fa/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 -> 8b245293effe524631a7c3459bf277cf6c81eafa [2018-12-03 04:02:12,245 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 04:02:12,252 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 04:02:12,254 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 04:02:12,255 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 04:02:12,255 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 04:02:12,256 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5ea08e83-0497-4b58-86ca-163e34b708fa/bin-2019/utaipan/../../sv-benchmarks/c/ssh-simplified/s3_srvr_14_false-unreach-call_false-termination.cil.c [2018-12-03 04:02:12,292 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5ea08e83-0497-4b58-86ca-163e34b708fa/bin-2019/utaipan/data/e292e511e/d6309761378c44768d3a3726b1d33a9d/FLAGe383e4351 [2018-12-03 04:02:12,723 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 04:02:12,724 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5ea08e83-0497-4b58-86ca-163e34b708fa/sv-benchmarks/c/ssh-simplified/s3_srvr_14_false-unreach-call_false-termination.cil.c [2018-12-03 04:02:12,729 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5ea08e83-0497-4b58-86ca-163e34b708fa/bin-2019/utaipan/data/e292e511e/d6309761378c44768d3a3726b1d33a9d/FLAGe383e4351 [2018-12-03 04:02:13,117 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5ea08e83-0497-4b58-86ca-163e34b708fa/bin-2019/utaipan/data/e292e511e/d6309761378c44768d3a3726b1d33a9d [2018-12-03 04:02:13,119 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 04:02:13,120 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 04:02:13,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 04:02:13,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 04:02:13,124 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 04:02:13,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:02:13" (1/1) ... [2018-12-03 04:02:13,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1441f7a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:13, skipping insertion in model container [2018-12-03 04:02:13,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:02:13" (1/1) ... [2018-12-03 04:02:13,131 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 04:02:13,152 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 04:02:13,269 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 04:02:13,272 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 04:02:13,304 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 04:02:13,344 INFO L195 MainTranslator]: Completed translation [2018-12-03 04:02:13,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:13 WrapperNode [2018-12-03 04:02:13,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 04:02:13,344 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 04:02:13,345 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 04:02:13,345 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 04:02:13,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:13" (1/1) ... [2018-12-03 04:02:13,354 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:13" (1/1) ... [2018-12-03 04:02:13,360 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 04:02:13,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 04:02:13,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 04:02:13,360 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 04:02:13,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:13" (1/1) ... [2018-12-03 04:02:13,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:13" (1/1) ... [2018-12-03 04:02:13,368 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:13" (1/1) ... [2018-12-03 04:02:13,368 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:13" (1/1) ... [2018-12-03 04:02:13,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:13" (1/1) ... [2018-12-03 04:02:13,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:13" (1/1) ... [2018-12-03 04:02:13,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:13" (1/1) ... [2018-12-03 04:02:13,389 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 04:02:13,389 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 04:02:13,390 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 04:02:13,390 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 04:02:13,390 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5ea08e83-0497-4b58-86ca-163e34b708fa/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 [2018-12-03 04:02:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 04:02:13,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 04:02:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 04:02:13,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 04:02:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 04:02:13,423 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 04:02:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2018-12-03 04:02:13,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2018-12-03 04:02:13,509 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-03 04:02:13,509 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-03 04:02:13,739 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 04:02:13,739 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-03 04:02:13,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:02:13 BoogieIcfgContainer [2018-12-03 04:02:13,739 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 04:02:13,740 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 04:02:13,740 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 04:02:13,742 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 04:02:13,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 04:02:13" (1/3) ... [2018-12-03 04:02:13,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9b23414 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 04:02:13, skipping insertion in model container [2018-12-03 04:02:13,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:13" (2/3) ... [2018-12-03 04:02:13,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9b23414 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 04:02:13, skipping insertion in model container [2018-12-03 04:02:13,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:02:13" (3/3) ... [2018-12-03 04:02:13,744 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_14_false-unreach-call_false-termination.cil.c [2018-12-03 04:02:13,749 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 04:02:13,753 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 04:02:13,762 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 04:02:13,779 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 04:02:13,779 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 04:02:13,780 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 04:02:13,780 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 04:02:13,780 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 04:02:13,780 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 04:02:13,780 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 04:02:13,780 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 04:02:13,791 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2018-12-03 04:02:13,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-03 04:02:13,795 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:02:13,796 INFO L402 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] [2018-12-03 04:02:13,797 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:02:13,800 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:02:13,800 INFO L82 PathProgramCache]: Analyzing trace with hash -2138433857, now seen corresponding path program 1 times [2018-12-03 04:02:13,801 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:02:13,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:02:13,829 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:02:13,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:02:13,829 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:02:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:02:13,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:02:13,951 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:02:13,951 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 04:02:13,951 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 04:02:13,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 04:02:13,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 04:02:13,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-03 04:02:13,963 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 5 states. [2018-12-03 04:02:14,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:02:14,125 INFO L93 Difference]: Finished difference Result 333 states and 566 transitions. [2018-12-03 04:02:14,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-03 04:02:14,127 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2018-12-03 04:02:14,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:02:14,134 INFO L225 Difference]: With dead ends: 333 [2018-12-03 04:02:14,134 INFO L226 Difference]: Without dead ends: 166 [2018-12-03 04:02:14,136 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-03 04:02:14,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2018-12-03 04:02:14,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 162. [2018-12-03 04:02:14,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-12-03 04:02:14,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 254 transitions. [2018-12-03 04:02:14,166 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 254 transitions. Word has length 28 [2018-12-03 04:02:14,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:02:14,166 INFO L480 AbstractCegarLoop]: Abstraction has 162 states and 254 transitions. [2018-12-03 04:02:14,167 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 04:02:14,167 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 254 transitions. [2018-12-03 04:02:14,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-03 04:02:14,167 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:02:14,168 INFO L402 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] [2018-12-03 04:02:14,168 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:02:14,168 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:02:14,168 INFO L82 PathProgramCache]: Analyzing trace with hash 1059341068, now seen corresponding path program 1 times [2018-12-03 04:02:14,168 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:02:14,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:02:14,169 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:02:14,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:02:14,169 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:02:14,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:02:14,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:02:14,209 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:02:14,209 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 04:02:14,209 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 04:02:14,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 04:02:14,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 04:02:14,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-03 04:02:14,211 INFO L87 Difference]: Start difference. First operand 162 states and 254 transitions. Second operand 5 states. [2018-12-03 04:02:14,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:02:14,328 INFO L93 Difference]: Finished difference Result 336 states and 528 transitions. [2018-12-03 04:02:14,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-03 04:02:14,329 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2018-12-03 04:02:14,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:02:14,330 INFO L225 Difference]: With dead ends: 336 [2018-12-03 04:02:14,330 INFO L226 Difference]: Without dead ends: 187 [2018-12-03 04:02:14,332 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-03 04:02:14,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2018-12-03 04:02:14,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 185. [2018-12-03 04:02:14,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-12-03 04:02:14,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 287 transitions. [2018-12-03 04:02:14,347 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 287 transitions. Word has length 29 [2018-12-03 04:02:14,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:02:14,347 INFO L480 AbstractCegarLoop]: Abstraction has 185 states and 287 transitions. [2018-12-03 04:02:14,347 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 04:02:14,347 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 287 transitions. [2018-12-03 04:02:14,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-03 04:02:14,348 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:02:14,348 INFO L402 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] [2018-12-03 04:02:14,348 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:02:14,349 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:02:14,349 INFO L82 PathProgramCache]: Analyzing trace with hash -947080425, now seen corresponding path program 1 times [2018-12-03 04:02:14,349 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:02:14,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:02:14,350 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:02:14,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:02:14,350 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:02:14,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:02:14,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:02:14,408 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:02:14,408 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 04:02:14,408 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 04:02:14,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 04:02:14,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 04:02:14,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-03 04:02:14,409 INFO L87 Difference]: Start difference. First operand 185 states and 287 transitions. Second operand 5 states. [2018-12-03 04:02:14,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:02:14,524 INFO L93 Difference]: Finished difference Result 367 states and 572 transitions. [2018-12-03 04:02:14,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-03 04:02:14,524 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2018-12-03 04:02:14,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:02:14,525 INFO L225 Difference]: With dead ends: 367 [2018-12-03 04:02:14,525 INFO L226 Difference]: Without dead ends: 195 [2018-12-03 04:02:14,526 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-03 04:02:14,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2018-12-03 04:02:14,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 191. [2018-12-03 04:02:14,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2018-12-03 04:02:14,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 298 transitions. [2018-12-03 04:02:14,535 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 298 transitions. Word has length 29 [2018-12-03 04:02:14,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:02:14,535 INFO L480 AbstractCegarLoop]: Abstraction has 191 states and 298 transitions. [2018-12-03 04:02:14,535 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 04:02:14,535 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 298 transitions. [2018-12-03 04:02:14,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-03 04:02:14,536 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:02:14,536 INFO L402 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] [2018-12-03 04:02:14,536 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:02:14,536 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:02:14,536 INFO L82 PathProgramCache]: Analyzing trace with hash 837081432, now seen corresponding path program 1 times [2018-12-03 04:02:14,537 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:02:14,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:02:14,537 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:02:14,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:02:14,537 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:02:14,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:02:14,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:02:14,583 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:02:14,583 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 04:02:14,583 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 04:02:14,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 04:02:14,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 04:02:14,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-03 04:02:14,584 INFO L87 Difference]: Start difference. First operand 191 states and 298 transitions. Second operand 5 states. [2018-12-03 04:02:14,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:02:14,706 INFO L93 Difference]: Finished difference Result 372 states and 582 transitions. [2018-12-03 04:02:14,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-03 04:02:14,706 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2018-12-03 04:02:14,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:02:14,707 INFO L225 Difference]: With dead ends: 372 [2018-12-03 04:02:14,707 INFO L226 Difference]: Without dead ends: 194 [2018-12-03 04:02:14,708 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-03 04:02:14,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2018-12-03 04:02:14,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 192. [2018-12-03 04:02:14,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2018-12-03 04:02:14,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 299 transitions. [2018-12-03 04:02:14,715 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 299 transitions. Word has length 29 [2018-12-03 04:02:14,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:02:14,715 INFO L480 AbstractCegarLoop]: Abstraction has 192 states and 299 transitions. [2018-12-03 04:02:14,715 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 04:02:14,715 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 299 transitions. [2018-12-03 04:02:14,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-03 04:02:14,715 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:02:14,716 INFO L402 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] [2018-12-03 04:02:14,716 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:02:14,716 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:02:14,716 INFO L82 PathProgramCache]: Analyzing trace with hash -2002433700, now seen corresponding path program 1 times [2018-12-03 04:02:14,716 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:02:14,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:02:14,717 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:02:14,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:02:14,717 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:02:14,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:02:14,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:02:14,744 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:02:14,744 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 04:02:14,744 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 04:02:14,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 04:02:14,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 04:02:14,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-03 04:02:14,745 INFO L87 Difference]: Start difference. First operand 192 states and 299 transitions. Second operand 5 states. [2018-12-03 04:02:14,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:02:14,831 INFO L93 Difference]: Finished difference Result 383 states and 594 transitions. [2018-12-03 04:02:14,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-03 04:02:14,831 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2018-12-03 04:02:14,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:02:14,832 INFO L225 Difference]: With dead ends: 383 [2018-12-03 04:02:14,832 INFO L226 Difference]: Without dead ends: 204 [2018-12-03 04:02:14,832 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-03 04:02:14,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2018-12-03 04:02:14,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 192. [2018-12-03 04:02:14,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2018-12-03 04:02:14,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 297 transitions. [2018-12-03 04:02:14,839 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 297 transitions. Word has length 30 [2018-12-03 04:02:14,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:02:14,839 INFO L480 AbstractCegarLoop]: Abstraction has 192 states and 297 transitions. [2018-12-03 04:02:14,839 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 04:02:14,839 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 297 transitions. [2018-12-03 04:02:14,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-03 04:02:14,840 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:02:14,840 INFO L402 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] [2018-12-03 04:02:14,840 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:02:14,840 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:02:14,840 INFO L82 PathProgramCache]: Analyzing trace with hash 533516532, now seen corresponding path program 1 times [2018-12-03 04:02:14,841 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:02:14,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:02:14,841 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:02:14,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:02:14,842 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:02:14,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:02:14,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:02:14,872 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:02:14,872 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 04:02:14,872 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 04:02:14,873 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 04:02:14,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 04:02:14,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-03 04:02:14,873 INFO L87 Difference]: Start difference. First operand 192 states and 297 transitions. Second operand 5 states. [2018-12-03 04:02:14,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:02:14,986 INFO L93 Difference]: Finished difference Result 383 states and 590 transitions. [2018-12-03 04:02:14,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-03 04:02:14,987 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2018-12-03 04:02:14,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:02:14,988 INFO L225 Difference]: With dead ends: 383 [2018-12-03 04:02:14,988 INFO L226 Difference]: Without dead ends: 204 [2018-12-03 04:02:14,988 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-03 04:02:14,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2018-12-03 04:02:14,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 192. [2018-12-03 04:02:14,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2018-12-03 04:02:14,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 295 transitions. [2018-12-03 04:02:14,998 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 295 transitions. Word has length 31 [2018-12-03 04:02:14,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:02:14,998 INFO L480 AbstractCegarLoop]: Abstraction has 192 states and 295 transitions. [2018-12-03 04:02:14,998 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 04:02:14,998 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 295 transitions. [2018-12-03 04:02:14,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-03 04:02:14,999 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:02:14,999 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:02:15,000 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:02:15,000 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:02:15,000 INFO L82 PathProgramCache]: Analyzing trace with hash -714108489, now seen corresponding path program 1 times [2018-12-03 04:02:15,000 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:02:15,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:02:15,001 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:02:15,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:02:15,001 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:02:15,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:02:15,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:02:15,036 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:02:15,036 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 04:02:15,037 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 04:02:15,037 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 04:02:15,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 04:02:15,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-03 04:02:15,037 INFO L87 Difference]: Start difference. First operand 192 states and 295 transitions. Second operand 5 states. [2018-12-03 04:02:15,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:02:15,145 INFO L93 Difference]: Finished difference Result 383 states and 586 transitions. [2018-12-03 04:02:15,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-03 04:02:15,146 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2018-12-03 04:02:15,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:02:15,147 INFO L225 Difference]: With dead ends: 383 [2018-12-03 04:02:15,147 INFO L226 Difference]: Without dead ends: 204 [2018-12-03 04:02:15,148 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-03 04:02:15,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2018-12-03 04:02:15,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 192. [2018-12-03 04:02:15,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2018-12-03 04:02:15,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 293 transitions. [2018-12-03 04:02:15,156 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 293 transitions. Word has length 32 [2018-12-03 04:02:15,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:02:15,156 INFO L480 AbstractCegarLoop]: Abstraction has 192 states and 293 transitions. [2018-12-03 04:02:15,157 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 04:02:15,157 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 293 transitions. [2018-12-03 04:02:15,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-03 04:02:15,157 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:02:15,157 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:02:15,158 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:02:15,158 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:02:15,158 INFO L82 PathProgramCache]: Analyzing trace with hash 522773526, now seen corresponding path program 1 times [2018-12-03 04:02:15,158 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:02:15,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:02:15,159 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:02:15,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:02:15,159 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:02:15,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:02:15,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:02:15,172 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:02:15,172 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 04:02:15,172 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 04:02:15,172 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 04:02:15,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 04:02:15,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 04:02:15,172 INFO L87 Difference]: Start difference. First operand 192 states and 293 transitions. Second operand 3 states. [2018-12-03 04:02:15,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:02:15,185 INFO L93 Difference]: Finished difference Result 542 states and 828 transitions. [2018-12-03 04:02:15,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 04:02:15,185 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2018-12-03 04:02:15,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:02:15,186 INFO L225 Difference]: With dead ends: 542 [2018-12-03 04:02:15,186 INFO L226 Difference]: Without dead ends: 363 [2018-12-03 04:02:15,187 INFO L631 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 [2018-12-03 04:02:15,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2018-12-03 04:02:15,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 361. [2018-12-03 04:02:15,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2018-12-03 04:02:15,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 548 transitions. [2018-12-03 04:02:15,196 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 548 transitions. Word has length 32 [2018-12-03 04:02:15,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:02:15,196 INFO L480 AbstractCegarLoop]: Abstraction has 361 states and 548 transitions. [2018-12-03 04:02:15,196 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 04:02:15,196 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 548 transitions. [2018-12-03 04:02:15,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-03 04:02:15,197 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:02:15,197 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:02:15,197 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:02:15,197 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:02:15,197 INFO L82 PathProgramCache]: Analyzing trace with hash -1890290600, now seen corresponding path program 1 times [2018-12-03 04:02:15,197 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:02:15,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:02:15,197 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:02:15,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:02:15,198 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:02:15,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:02:15,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:02:15,235 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:02:15,235 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 04:02:15,235 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 04:02:15,235 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 04:02:15,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 04:02:15,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 04:02:15,235 INFO L87 Difference]: Start difference. First operand 361 states and 548 transitions. Second operand 6 states. [2018-12-03 04:02:15,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:02:15,433 INFO L93 Difference]: Finished difference Result 1105 states and 1685 transitions. [2018-12-03 04:02:15,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 04:02:15,434 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2018-12-03 04:02:15,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:02:15,435 INFO L225 Difference]: With dead ends: 1105 [2018-12-03 04:02:15,435 INFO L226 Difference]: Without dead ends: 758 [2018-12-03 04:02:15,436 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-12-03 04:02:15,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2018-12-03 04:02:15,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 604. [2018-12-03 04:02:15,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 604 states. [2018-12-03 04:02:15,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 933 transitions. [2018-12-03 04:02:15,452 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 933 transitions. Word has length 33 [2018-12-03 04:02:15,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:02:15,452 INFO L480 AbstractCegarLoop]: Abstraction has 604 states and 933 transitions. [2018-12-03 04:02:15,452 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 04:02:15,453 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 933 transitions. [2018-12-03 04:02:15,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-03 04:02:15,453 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:02:15,454 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:02:15,454 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:02:15,454 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:02:15,454 INFO L82 PathProgramCache]: Analyzing trace with hash 2062397286, now seen corresponding path program 1 times [2018-12-03 04:02:15,454 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:02:15,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:02:15,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:02:15,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:02:15,455 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:02:15,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:02:15,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:02:15,477 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:02:15,477 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 04:02:15,477 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 04:02:15,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 04:02:15,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 04:02:15,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-03 04:02:15,478 INFO L87 Difference]: Start difference. First operand 604 states and 933 transitions. Second operand 5 states. [2018-12-03 04:02:15,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:02:15,630 INFO L93 Difference]: Finished difference Result 1336 states and 2097 transitions. [2018-12-03 04:02:15,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-03 04:02:15,631 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2018-12-03 04:02:15,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:02:15,633 INFO L225 Difference]: With dead ends: 1336 [2018-12-03 04:02:15,634 INFO L226 Difference]: Without dead ends: 746 [2018-12-03 04:02:15,635 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-03 04:02:15,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2018-12-03 04:02:15,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 726. [2018-12-03 04:02:15,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 726 states. [2018-12-03 04:02:15,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 1148 transitions. [2018-12-03 04:02:15,663 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 1148 transitions. Word has length 47 [2018-12-03 04:02:15,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:02:15,663 INFO L480 AbstractCegarLoop]: Abstraction has 726 states and 1148 transitions. [2018-12-03 04:02:15,663 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 04:02:15,663 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 1148 transitions. [2018-12-03 04:02:15,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-03 04:02:15,664 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:02:15,664 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:02:15,664 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:02:15,665 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:02:15,665 INFO L82 PathProgramCache]: Analyzing trace with hash 1882441225, now seen corresponding path program 1 times [2018-12-03 04:02:15,665 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:02:15,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:02:15,665 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:02:15,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:02:15,666 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:02:15,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:02:15,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:02:15,703 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:02:15,703 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 04:02:15,703 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 04:02:15,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 04:02:15,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 04:02:15,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-03 04:02:15,704 INFO L87 Difference]: Start difference. First operand 726 states and 1148 transitions. Second operand 5 states. [2018-12-03 04:02:15,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:02:15,869 INFO L93 Difference]: Finished difference Result 1503 states and 2397 transitions. [2018-12-03 04:02:15,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-03 04:02:15,869 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2018-12-03 04:02:15,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:02:15,872 INFO L225 Difference]: With dead ends: 1503 [2018-12-03 04:02:15,872 INFO L226 Difference]: Without dead ends: 791 [2018-12-03 04:02:15,873 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-03 04:02:15,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2018-12-03 04:02:15,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 771. [2018-12-03 04:02:15,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2018-12-03 04:02:15,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 1233 transitions. [2018-12-03 04:02:15,902 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 1233 transitions. Word has length 48 [2018-12-03 04:02:15,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:02:15,903 INFO L480 AbstractCegarLoop]: Abstraction has 771 states and 1233 transitions. [2018-12-03 04:02:15,903 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 04:02:15,903 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1233 transitions. [2018-12-03 04:02:15,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-03 04:02:15,904 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:02:15,904 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:02:15,904 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:02:15,904 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:02:15,904 INFO L82 PathProgramCache]: Analyzing trace with hash -1853066695, now seen corresponding path program 1 times [2018-12-03 04:02:15,905 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:02:15,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:02:15,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:02:15,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:02:15,905 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:02:15,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:02:15,925 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:02:15,926 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:02:15,926 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 04:02:15,926 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 04:02:15,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 04:02:15,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 04:02:15,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 04:02:15,927 INFO L87 Difference]: Start difference. First operand 771 states and 1233 transitions. Second operand 3 states. [2018-12-03 04:02:15,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:02:15,956 INFO L93 Difference]: Finished difference Result 1528 states and 2448 transitions. [2018-12-03 04:02:15,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 04:02:15,956 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2018-12-03 04:02:15,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:02:15,959 INFO L225 Difference]: With dead ends: 1528 [2018-12-03 04:02:15,959 INFO L226 Difference]: Without dead ends: 771 [2018-12-03 04:02:15,960 INFO L631 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 [2018-12-03 04:02:15,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2018-12-03 04:02:15,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 771. [2018-12-03 04:02:15,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2018-12-03 04:02:15,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 1216 transitions. [2018-12-03 04:02:15,997 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 1216 transitions. Word has length 49 [2018-12-03 04:02:15,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:02:15,997 INFO L480 AbstractCegarLoop]: Abstraction has 771 states and 1216 transitions. [2018-12-03 04:02:15,997 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 04:02:15,997 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1216 transitions. [2018-12-03 04:02:15,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-03 04:02:15,999 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:02:15,999 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:02:15,999 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:02:15,999 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:02:15,999 INFO L82 PathProgramCache]: Analyzing trace with hash 296629864, now seen corresponding path program 1 times [2018-12-03 04:02:16,000 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:02:16,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:02:16,000 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:02:16,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:02:16,001 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:02:16,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:02:16,021 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:02:16,021 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:02:16,021 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 04:02:16,021 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 04:02:16,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 04:02:16,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 04:02:16,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 04:02:16,022 INFO L87 Difference]: Start difference. First operand 771 states and 1216 transitions. Second operand 3 states. [2018-12-03 04:02:16,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:02:16,055 INFO L93 Difference]: Finished difference Result 1542 states and 2431 transitions. [2018-12-03 04:02:16,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 04:02:16,056 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2018-12-03 04:02:16,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:02:16,057 INFO L225 Difference]: With dead ends: 1542 [2018-12-03 04:02:16,058 INFO L226 Difference]: Without dead ends: 785 [2018-12-03 04:02:16,059 INFO L631 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 [2018-12-03 04:02:16,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2018-12-03 04:02:16,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 783. [2018-12-03 04:02:16,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 783 states. [2018-12-03 04:02:16,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 1214 transitions. [2018-12-03 04:02:16,083 INFO L78 Accepts]: Start accepts. Automaton has 783 states and 1214 transitions. Word has length 50 [2018-12-03 04:02:16,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:02:16,083 INFO L480 AbstractCegarLoop]: Abstraction has 783 states and 1214 transitions. [2018-12-03 04:02:16,083 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 04:02:16,083 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1214 transitions. [2018-12-03 04:02:16,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-03 04:02:16,084 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:02:16,084 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:02:16,084 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:02:16,084 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:02:16,084 INFO L82 PathProgramCache]: Analyzing trace with hash -1787536740, now seen corresponding path program 1 times [2018-12-03 04:02:16,084 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:02:16,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:02:16,085 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:02:16,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:02:16,085 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:02:16,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:02:16,107 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:02:16,107 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:02:16,107 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 04:02:16,107 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 04:02:16,107 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 04:02:16,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 04:02:16,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 04:02:16,108 INFO L87 Difference]: Start difference. First operand 783 states and 1214 transitions. Second operand 3 states. [2018-12-03 04:02:16,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:02:16,152 INFO L93 Difference]: Finished difference Result 2304 states and 3578 transitions. [2018-12-03 04:02:16,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 04:02:16,153 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2018-12-03 04:02:16,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:02:16,155 INFO L225 Difference]: With dead ends: 2304 [2018-12-03 04:02:16,156 INFO L226 Difference]: Without dead ends: 1535 [2018-12-03 04:02:16,157 INFO L631 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 [2018-12-03 04:02:16,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1535 states. [2018-12-03 04:02:16,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1535 to 1223. [2018-12-03 04:02:16,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1223 states. [2018-12-03 04:02:16,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1890 transitions. [2018-12-03 04:02:16,186 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1890 transitions. Word has length 55 [2018-12-03 04:02:16,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:02:16,187 INFO L480 AbstractCegarLoop]: Abstraction has 1223 states and 1890 transitions. [2018-12-03 04:02:16,187 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 04:02:16,187 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1890 transitions. [2018-12-03 04:02:16,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-03 04:02:16,188 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:02:16,188 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:02:16,188 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:02:16,188 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:02:16,188 INFO L82 PathProgramCache]: Analyzing trace with hash -894050402, now seen corresponding path program 1 times [2018-12-03 04:02:16,188 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:02:16,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:02:16,189 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:02:16,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:02:16,189 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:02:16,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:02:16,204 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:02:16,204 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:02:16,205 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 04:02:16,205 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 04:02:16,205 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 04:02:16,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 04:02:16,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 04:02:16,205 INFO L87 Difference]: Start difference. First operand 1223 states and 1890 transitions. Second operand 3 states. [2018-12-03 04:02:16,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:02:16,343 INFO L93 Difference]: Finished difference Result 2644 states and 4078 transitions. [2018-12-03 04:02:16,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 04:02:16,343 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2018-12-03 04:02:16,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:02:16,345 INFO L225 Difference]: With dead ends: 2644 [2018-12-03 04:02:16,345 INFO L226 Difference]: Without dead ends: 1436 [2018-12-03 04:02:16,347 INFO L631 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 [2018-12-03 04:02:16,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1436 states. [2018-12-03 04:02:16,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1436 to 1330. [2018-12-03 04:02:16,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1330 states. [2018-12-03 04:02:16,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1330 states and 2005 transitions. [2018-12-03 04:02:16,376 INFO L78 Accepts]: Start accepts. Automaton has 1330 states and 2005 transitions. Word has length 55 [2018-12-03 04:02:16,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:02:16,376 INFO L480 AbstractCegarLoop]: Abstraction has 1330 states and 2005 transitions. [2018-12-03 04:02:16,376 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 04:02:16,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 2005 transitions. [2018-12-03 04:02:16,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-03 04:02:16,377 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:02:16,378 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:02:16,378 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:02:16,378 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:02:16,378 INFO L82 PathProgramCache]: Analyzing trace with hash 1409568447, now seen corresponding path program 1 times [2018-12-03 04:02:16,378 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:02:16,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:02:16,378 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:02:16,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:02:16,379 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:02:16,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:02:16,390 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-03 04:02:16,390 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:02:16,390 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 04:02:16,390 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 04:02:16,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 04:02:16,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 04:02:16,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 04:02:16,391 INFO L87 Difference]: Start difference. First operand 1330 states and 2005 transitions. Second operand 3 states. [2018-12-03 04:02:16,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:02:16,529 INFO L93 Difference]: Finished difference Result 2813 states and 4239 transitions. [2018-12-03 04:02:16,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 04:02:16,530 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-12-03 04:02:16,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:02:16,533 INFO L225 Difference]: With dead ends: 2813 [2018-12-03 04:02:16,534 INFO L226 Difference]: Without dead ends: 1498 [2018-12-03 04:02:16,536 INFO L631 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 [2018-12-03 04:02:16,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1498 states. [2018-12-03 04:02:16,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1498 to 1456. [2018-12-03 04:02:16,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1456 states. [2018-12-03 04:02:16,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 1456 states and 2142 transitions. [2018-12-03 04:02:16,586 INFO L78 Accepts]: Start accepts. Automaton has 1456 states and 2142 transitions. Word has length 60 [2018-12-03 04:02:16,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:02:16,586 INFO L480 AbstractCegarLoop]: Abstraction has 1456 states and 2142 transitions. [2018-12-03 04:02:16,586 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 04:02:16,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 2142 transitions. [2018-12-03 04:02:16,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-03 04:02:16,588 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:02:16,588 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:02:16,589 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:02:16,589 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:02:16,589 INFO L82 PathProgramCache]: Analyzing trace with hash 2089626817, now seen corresponding path program 1 times [2018-12-03 04:02:16,589 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:02:16,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:02:16,589 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:02:16,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:02:16,590 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:02:16,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:02:16,612 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-03 04:02:16,612 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:02:16,612 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 04:02:16,613 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 04:02:16,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 04:02:16,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 04:02:16,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 04:02:16,613 INFO L87 Difference]: Start difference. First operand 1456 states and 2142 transitions. Second operand 3 states. [2018-12-03 04:02:16,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:02:16,649 INFO L93 Difference]: Finished difference Result 2744 states and 4014 transitions. [2018-12-03 04:02:16,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 04:02:16,649 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-12-03 04:02:16,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:02:16,652 INFO L225 Difference]: With dead ends: 2744 [2018-12-03 04:02:16,652 INFO L226 Difference]: Without dead ends: 1833 [2018-12-03 04:02:16,654 INFO L631 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 [2018-12-03 04:02:16,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1833 states. [2018-12-03 04:02:16,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1833 to 1318. [2018-12-03 04:02:16,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1318 states. [2018-12-03 04:02:16,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1318 states to 1318 states and 1924 transitions. [2018-12-03 04:02:16,686 INFO L78 Accepts]: Start accepts. Automaton has 1318 states and 1924 transitions. Word has length 60 [2018-12-03 04:02:16,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:02:16,686 INFO L480 AbstractCegarLoop]: Abstraction has 1318 states and 1924 transitions. [2018-12-03 04:02:16,687 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 04:02:16,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1318 states and 1924 transitions. [2018-12-03 04:02:16,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-03 04:02:16,688 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:02:16,688 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:02:16,688 INFO L423 AbstractCegarLoop]: === Iteration 18 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:02:16,688 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:02:16,688 INFO L82 PathProgramCache]: Analyzing trace with hash -1796569389, now seen corresponding path program 1 times [2018-12-03 04:02:16,688 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:02:16,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:02:16,689 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:02:16,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:02:16,689 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:02:16,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:02:16,720 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:02:16,720 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:02:16,720 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 04:02:16,720 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 04:02:16,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 04:02:16,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 04:02:16,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 04:02:16,721 INFO L87 Difference]: Start difference. First operand 1318 states and 1924 transitions. Second operand 3 states. [2018-12-03 04:02:16,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:02:16,792 INFO L93 Difference]: Finished difference Result 3805 states and 5516 transitions. [2018-12-03 04:02:16,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 04:02:16,792 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-12-03 04:02:16,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:02:16,796 INFO L225 Difference]: With dead ends: 3805 [2018-12-03 04:02:16,796 INFO L226 Difference]: Without dead ends: 2502 [2018-12-03 04:02:16,798 INFO L631 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 [2018-12-03 04:02:16,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2502 states. [2018-12-03 04:02:16,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2502 to 2500. [2018-12-03 04:02:16,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2500 states. [2018-12-03 04:02:16,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2500 states to 2500 states and 3577 transitions. [2018-12-03 04:02:16,856 INFO L78 Accepts]: Start accepts. Automaton has 2500 states and 3577 transitions. Word has length 61 [2018-12-03 04:02:16,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:02:16,856 INFO L480 AbstractCegarLoop]: Abstraction has 2500 states and 3577 transitions. [2018-12-03 04:02:16,856 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 04:02:16,856 INFO L276 IsEmpty]: Start isEmpty. Operand 2500 states and 3577 transitions. [2018-12-03 04:02:16,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-03 04:02:16,858 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:02:16,858 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:02:16,858 INFO L423 AbstractCegarLoop]: === Iteration 19 === [ssl3_acceptErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:02:16,858 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:02:16,858 INFO L82 PathProgramCache]: Analyzing trace with hash -1616425408, now seen corresponding path program 1 times [2018-12-03 04:02:16,858 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 04:02:16,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:02:16,859 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:02:16,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 04:02:16,859 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 04:02:16,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 04:02:16,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 04:02:16,886 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-03 04:02:16,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 04:02:16 BoogieIcfgContainer [2018-12-03 04:02:16,930 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 04:02:16,930 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 04:02:16,930 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 04:02:16,930 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 04:02:16,931 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:02:13" (3/4) ... [2018-12-03 04:02:16,932 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-03 04:02:16,991 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5ea08e83-0497-4b58-86ca-163e34b708fa/bin-2019/utaipan/witness.graphml [2018-12-03 04:02:16,991 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 04:02:16,992 INFO L168 Benchmark]: Toolchain (without parser) took 3872.30 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 318.8 MB). Free memory was 953.3 MB in the beginning and 880.8 MB in the end (delta: 72.5 MB). Peak memory consumption was 391.3 MB. Max. memory is 11.5 GB. [2018-12-03 04:02:16,992 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 04:02:16,993 INFO L168 Benchmark]: CACSL2BoogieTranslator took 223.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -167.9 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. [2018-12-03 04:02:16,993 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.32 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 04:02:16,993 INFO L168 Benchmark]: Boogie Preprocessor took 29.21 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-03 04:02:16,993 INFO L168 Benchmark]: RCFGBuilder took 350.05 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: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 11.5 GB. [2018-12-03 04:02:16,993 INFO L168 Benchmark]: TraceAbstraction took 3190.31 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 188.7 MB). Free memory was 1.1 GB in the beginning and 895.8 MB in the end (delta: 169.0 MB). Peak memory consumption was 357.8 MB. Max. memory is 11.5 GB. [2018-12-03 04:02:16,993 INFO L168 Benchmark]: Witness Printer took 60.86 ms. Allocated memory is still 1.3 GB. Free memory was 895.8 MB in the beginning and 880.8 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2018-12-03 04:02:16,994 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 223.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -167.9 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.32 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.21 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 350.05 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: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3190.31 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 188.7 MB). Free memory was 1.1 GB in the beginning and 895.8 MB in the end (delta: 169.0 MB). Peak memory consumption was 357.8 MB. Max. memory is 11.5 GB. * Witness Printer took 60.86 ms. Allocated memory is still 1.3 GB. Free memory was 895.8 MB in the beginning and 880.8 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 641]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L646] int s ; [L647] int tmp ; [L651] s = 8464 VAL [s=8464] [L652] CALL ssl3_accept(s) VAL [\old(initial_state)=8464] [L12] int s__info_callback = __VERIFIER_nondet_int() ; [L13] int s__in_handshake = __VERIFIER_nondet_int() ; [L14] int s__state ; [L15] int s__new_session ; [L16] int s__server ; [L17] int s__version = __VERIFIER_nondet_int() ; [L18] int s__type ; [L19] int s__init_num ; [L20] int s__hit = __VERIFIER_nondet_int() ; [L21] int s__rwstate ; [L22] int s__init_buf___0 ; [L23] int s__debug = __VERIFIER_nondet_int() ; [L24] int s__shutdown ; [L25] int s__cert = __VERIFIER_nondet_int() ; [L26] int s__options = __VERIFIER_nondet_int() ; [L27] int s__verify_mode = __VERIFIER_nondet_int() ; [L28] int s__session__peer = __VERIFIER_nondet_int() ; [L29] int s__cert__pkeys__AT0__privatekey = __VERIFIER_nondet_int() ; [L30] int s__ctx__info_callback = __VERIFIER_nondet_int() ; [L31] int s__ctx__stats__sess_accept_renegotiate = __VERIFIER_nondet_int() ; [L32] int s__ctx__stats__sess_accept = __VERIFIER_nondet_int() ; [L33] int s__ctx__stats__sess_accept_good = __VERIFIER_nondet_int() ; [L34] int s__s3__tmp__cert_request ; [L35] int s__s3__tmp__reuse_message ; [L36] int s__s3__tmp__use_rsa_tmp ; [L37] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ; [L38] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int() ; [L39] int s__s3__tmp__next_state___0 ; [L40] int s__s3__tmp__new_cipher__algo_strength = __VERIFIER_nondet_int() ; [L41] int s__session__cipher ; [L42] int buf ; [L43] unsigned long l ; [L44] unsigned long Time ; [L45] unsigned long tmp ; [L46] int cb ; [L47] long num1 = __VERIFIER_nondet_long() ; [L48] int ret ; [L49] int new_state ; [L50] int state ; [L51] int skip ; [L52] int got_new_session ; [L53] int tmp___1 = __VERIFIER_nondet_int() ; [L54] int tmp___2 = __VERIFIER_nondet_int() ; [L55] int tmp___3 = __VERIFIER_nondet_int() ; [L56] int tmp___4 = __VERIFIER_nondet_int() ; [L57] int tmp___5 = __VERIFIER_nondet_int() ; [L58] int tmp___6 = __VERIFIER_nondet_int() ; [L59] int tmp___7 ; [L60] long tmp___8 = __VERIFIER_nondet_long() ; [L61] int tmp___9 = __VERIFIER_nondet_int() ; [L62] int tmp___10 = __VERIFIER_nondet_int() ; [L63] int blastFlag ; [L64] int __cil_tmp55 ; [L65] unsigned long __cil_tmp56 ; [L66] unsigned long __cil_tmp57 ; [L67] unsigned long __cil_tmp58 ; [L68] unsigned long __cil_tmp59 ; [L69] int __cil_tmp60 ; [L70] unsigned long __cil_tmp61 ; [L73] s__s3__tmp__reuse_message = 0 [L74] s__state = initial_state [L75] blastFlag = 0 [L76] tmp = __VERIFIER_nondet_int() [L77] Time = tmp [L78] cb = 0 [L79] ret = -1 [L80] skip = 0 [L81] got_new_session = 0 VAL [\old(initial_state)=8464, blastFlag=0, cb=0, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L82] COND TRUE s__info_callback != 0 [L83] cb = s__info_callback VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=0, s__info_callback=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L89] s__in_handshake ++ VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L90] COND TRUE tmp___1 + 12288 VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L91] COND TRUE tmp___2 + 16384 VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L95] COND FALSE !(s__cert == 0) VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L99] COND TRUE 1 VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L101] state = s__state VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L102] COND FALSE !(s__state == 12292) VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L105] COND FALSE !(s__state == 16384) VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L108] COND FALSE !(s__state == 8192) VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L111] COND FALSE !(s__state == 24576) VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L114] COND FALSE !(s__state == 8195) VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L117] COND FALSE !(s__state == 8480) VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L120] COND FALSE !(s__state == 8481) VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L123] COND FALSE !(s__state == 8482) VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L126] COND TRUE s__state == 8464 VAL [\old(initial_state)=8464, blastFlag=0, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=-1, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L272] s__shutdown = 0 [L273] ret = __VERIFIER_nondet_int() [L274] COND TRUE blastFlag == 0 [L275] blastFlag = 1 VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=0, initial_state=8464, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L277] COND FALSE !(ret <= 0) [L280] got_new_session = 1 [L281] s__state = 8496 [L282] s__init_num = 0 VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L603] COND TRUE ! s__s3__tmp__reuse_message VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L604] COND TRUE ! skip VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L605] COND TRUE tmp___1 != -12288 VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L606] COND TRUE s__state != 8656 VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L607] COND TRUE tmp___2 != -16384 VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L608] COND FALSE !(state == 8496) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L615] COND FALSE !(\read(s__debug)) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L621] COND TRUE cb != 0 VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L622] COND TRUE s__state != state [L623] new_state = s__state [L624] s__state = state [L625] s__state = new_state VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L630] skip = 0 VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L99] COND TRUE 1 VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L101] state = s__state VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L102] COND FALSE !(s__state == 12292) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L105] COND FALSE !(s__state == 16384) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L108] COND FALSE !(s__state == 8192) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L111] COND FALSE !(s__state == 24576) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L114] COND FALSE !(s__state == 8195) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L117] COND FALSE !(s__state == 8480) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L120] COND FALSE !(s__state == 8481) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L123] COND FALSE !(s__state == 8482) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L126] COND FALSE !(s__state == 8464) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L129] COND FALSE !(s__state == 8465) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L132] COND FALSE !(s__state == 8466) VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L135] COND TRUE s__state == 8496 VAL [\old(initial_state)=8464, blastFlag=1, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=2, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L286] ret = __VERIFIER_nondet_int() [L287] COND TRUE blastFlag == 1 [L288] blastFlag = 2 VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=5, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L290] COND FALSE !(ret <= 0) VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=5, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8496, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L293] COND FALSE !(\read(s__hit)) [L296] s__state = 8512 VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=5, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L298] s__init_num = 0 VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=5, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L603] COND TRUE ! s__s3__tmp__reuse_message VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=5, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L604] COND TRUE ! skip VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=5, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L605] COND TRUE tmp___1 != -12288 VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=5, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L606] COND TRUE s__state != 8656 VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=5, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L607] COND TRUE tmp___2 != -16384 VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=5, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L608] COND TRUE state == 8496 VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=5, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L641] __VERIFIER_error() VAL [\old(initial_state)=8464, blastFlag=2, cb=1, got_new_session=1, initial_state=8464, new_state=8496, num1=0, ret=5, s__cert=1, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=0, s__ctx__stats__sess_accept=0, s__ctx__stats__sess_accept_good=0, s__ctx__stats__sess_accept_renegotiate=0, s__debug=0, s__hit=0, s__in_handshake=1, s__info_callback=1, s__init_num=0, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__shutdown=0, s__state=8512, s__verify_mode=0, s__version=0, skip=0, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=0, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 161 locations, 1 error locations. UNSAFE Result, 3.1s OverallTime, 19 OverallIterations, 2 TraceHistogramMax, 1.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3760 SDtfs, 6119 SDslu, 3181 SDs, 0 SdLazy, 1945 SolverSat, 464 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2500occurred in iteration=18, 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: 0.4s AutomataMinimizationTime, 18 MinimizatonAttempts, 1223 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 820 NumberOfCodeBlocks, 820 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 740 ConstructedInterpolants, 0 QuantifiedInterpolants, 91216 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 118/118 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...