./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ssh-simplified/s3_clnt_1_true-unreach-call_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a632fe41-1d9b-4710-a2f2-c9d77c5411b4/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a632fe41-1d9b-4710-a2f2-c9d77c5411b4/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a632fe41-1d9b-4710-a2f2-c9d77c5411b4/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a632fe41-1d9b-4710-a2f2-c9d77c5411b4/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ssh-simplified/s3_clnt_1_true-unreach-call_true-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a632fe41-1d9b-4710-a2f2-c9d77c5411b4/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a632fe41-1d9b-4710-a2f2-c9d77c5411b4/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a72fcebcfa7a668c9bb314320ec142761ff8c6a6 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 22:20:29,282 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 22:20:29,283 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 22:20:29,292 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 22:20:29,292 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 22:20:29,293 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 22:20:29,294 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 22:20:29,295 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 22:20:29,296 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 22:20:29,297 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 22:20:29,297 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 22:20:29,297 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 22:20:29,298 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 22:20:29,299 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 22:20:29,300 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 22:20:29,300 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 22:20:29,301 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 22:20:29,302 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 22:20:29,303 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 22:20:29,304 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 22:20:29,305 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 22:20:29,306 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 22:20:29,307 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 22:20:29,308 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 22:20:29,308 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 22:20:29,308 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 22:20:29,309 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 22:20:29,310 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 22:20:29,310 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 22:20:29,311 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 22:20:29,311 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 22:20:29,312 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 22:20:29,312 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 22:20:29,312 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 22:20:29,313 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 22:20:29,313 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 22:20:29,313 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a632fe41-1d9b-4710-a2f2-c9d77c5411b4/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-22 22:20:29,323 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 22:20:29,323 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 22:20:29,324 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 22:20:29,324 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 22:20:29,324 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 22:20:29,324 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 22:20:29,325 INFO L133 SettingsManager]: * Use SBE=true [2018-11-22 22:20:29,325 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 22:20:29,325 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 22:20:29,325 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 22:20:29,325 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 22:20:29,325 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 22:20:29,325 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 22:20:29,326 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 22:20:29,326 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 22:20:29,326 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 22:20:29,326 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 22:20:29,326 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 22:20:29,326 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 22:20:29,326 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 22:20:29,327 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 22:20:29,327 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 22:20:29,327 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 22:20:29,327 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 22:20:29,327 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 22:20:29,327 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 22:20:29,328 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 22:20:29,328 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-22 22:20:29,328 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 22:20:29,328 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 22:20:29,328 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_a632fe41-1d9b-4710-a2f2-c9d77c5411b4/bin-2019/uautomizer 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 -> Automizer 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 -> a72fcebcfa7a668c9bb314320ec142761ff8c6a6 [2018-11-22 22:20:29,351 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 22:20:29,358 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 22:20:29,360 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 22:20:29,361 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 22:20:29,361 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 22:20:29,362 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a632fe41-1d9b-4710-a2f2-c9d77c5411b4/bin-2019/uautomizer/../../sv-benchmarks/c/ssh-simplified/s3_clnt_1_true-unreach-call_true-termination.cil.c [2018-11-22 22:20:29,400 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a632fe41-1d9b-4710-a2f2-c9d77c5411b4/bin-2019/uautomizer/data/f68250572/a949ea1ec74c48bdbeb778635049f8c7/FLAG3fd8dee86 [2018-11-22 22:20:29,834 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 22:20:29,835 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a632fe41-1d9b-4710-a2f2-c9d77c5411b4/sv-benchmarks/c/ssh-simplified/s3_clnt_1_true-unreach-call_true-termination.cil.c [2018-11-22 22:20:29,842 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a632fe41-1d9b-4710-a2f2-c9d77c5411b4/bin-2019/uautomizer/data/f68250572/a949ea1ec74c48bdbeb778635049f8c7/FLAG3fd8dee86 [2018-11-22 22:20:29,854 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a632fe41-1d9b-4710-a2f2-c9d77c5411b4/bin-2019/uautomizer/data/f68250572/a949ea1ec74c48bdbeb778635049f8c7 [2018-11-22 22:20:29,856 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 22:20:29,857 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 22:20:29,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 22:20:29,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 22:20:29,861 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 22:20:29,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:20:29" (1/1) ... [2018-11-22 22:20:29,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46704e2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:20:29, skipping insertion in model container [2018-11-22 22:20:29,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:20:29" (1/1) ... [2018-11-22 22:20:29,871 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 22:20:29,900 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 22:20:30,049 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:20:30,052 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 22:20:30,084 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:20:30,092 INFO L195 MainTranslator]: Completed translation [2018-11-22 22:20:30,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:20:30 WrapperNode [2018-11-22 22:20:30,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 22:20:30,093 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 22:20:30,093 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 22:20:30,093 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 22:20:30,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:20:30" (1/1) ... [2018-11-22 22:20:30,142 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:20:30" (1/1) ... [2018-11-22 22:20:30,147 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 22:20:30,148 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 22:20:30,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 22:20:30,148 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 22:20:30,156 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:20:30" (1/1) ... [2018-11-22 22:20:30,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:20:30" (1/1) ... [2018-11-22 22:20:30,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:20:30" (1/1) ... [2018-11-22 22:20:30,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:20:30" (1/1) ... [2018-11-22 22:20:30,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:20:30" (1/1) ... [2018-11-22 22:20:30,173 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:20:30" (1/1) ... [2018-11-22 22:20:30,175 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:20:30" (1/1) ... [2018-11-22 22:20:30,178 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 22:20:30,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 22:20:30,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 22:20:30,178 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 22:20:30,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:20:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a632fe41-1d9b-4710-a2f2-c9d77c5411b4/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 22:20:30,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 22:20:30,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 22:20:30,212 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2018-11-22 22:20:30,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2018-11-22 22:20:30,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 22:20:30,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 22:20:30,213 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 22:20:30,213 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 22:20:30,288 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-22 22:20:30,289 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-22 22:20:30,617 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 22:20:30,617 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-22 22:20:30,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:20:30 BoogieIcfgContainer [2018-11-22 22:20:30,617 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 22:20:30,618 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 22:20:30,618 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 22:20:30,621 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 22:20:30,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:20:29" (1/3) ... [2018-11-22 22:20:30,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ded37a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:20:30, skipping insertion in model container [2018-11-22 22:20:30,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:20:30" (2/3) ... [2018-11-22 22:20:30,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ded37a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:20:30, skipping insertion in model container [2018-11-22 22:20:30,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:20:30" (3/3) ... [2018-11-22 22:20:30,623 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_clnt_1_true-unreach-call_true-termination.cil.c [2018-11-22 22:20:30,630 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 22:20:30,635 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-22 22:20:30,643 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-22 22:20:30,660 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-22 22:20:30,661 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 22:20:30,661 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 22:20:30,661 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 22:20:30,661 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 22:20:30,661 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 22:20:30,661 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 22:20:30,661 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 22:20:30,661 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 22:20:30,673 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2018-11-22 22:20:30,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-22 22:20:30,677 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:20:30,678 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] [2018-11-22 22:20:30,679 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:20:30,682 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:20:30,682 INFO L82 PathProgramCache]: Analyzing trace with hash 173381458, now seen corresponding path program 1 times [2018-11-22 22:20:30,683 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 22:20:30,684 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 22:20:30,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:30,719 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:20:30,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:30,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:20:30,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:20:30,824 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:20:30,824 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:20:30,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:20:30,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:20:30,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:20:30,842 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 3 states. [2018-11-22 22:20:30,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:20:30,926 INFO L93 Difference]: Finished difference Result 374 states and 631 transitions. [2018-11-22 22:20:30,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:20:30,927 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2018-11-22 22:20:30,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:20:30,936 INFO L225 Difference]: With dead ends: 374 [2018-11-22 22:20:30,936 INFO L226 Difference]: Without dead ends: 218 [2018-11-22 22:20:30,939 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 [2018-11-22 22:20:30,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2018-11-22 22:20:30,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2018-11-22 22:20:30,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2018-11-22 22:20:30,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 324 transitions. [2018-11-22 22:20:30,974 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 324 transitions. Word has length 29 [2018-11-22 22:20:30,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:20:30,975 INFO L480 AbstractCegarLoop]: Abstraction has 218 states and 324 transitions. [2018-11-22 22:20:30,975 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:20:30,975 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 324 transitions. [2018-11-22 22:20:30,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-22 22:20:30,977 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:20:30,977 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-22 22:20:30,977 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:20:30,977 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:20:30,978 INFO L82 PathProgramCache]: Analyzing trace with hash 1098410427, now seen corresponding path program 1 times [2018-11-22 22:20:30,978 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 22:20:30,978 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 22:20:30,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:30,979 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:20:30,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:30,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:20:31,025 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:20:31,026 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:20:31,026 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:20:31,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:20:31,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:20:31,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:20:31,028 INFO L87 Difference]: Start difference. First operand 218 states and 324 transitions. Second operand 3 states. [2018-11-22 22:20:31,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:20:31,141 INFO L93 Difference]: Finished difference Result 466 states and 703 transitions. [2018-11-22 22:20:31,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:20:31,141 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2018-11-22 22:20:31,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:20:31,143 INFO L225 Difference]: With dead ends: 466 [2018-11-22 22:20:31,143 INFO L226 Difference]: Without dead ends: 260 [2018-11-22 22:20:31,144 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 [2018-11-22 22:20:31,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2018-11-22 22:20:31,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 252. [2018-11-22 22:20:31,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2018-11-22 22:20:31,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 368 transitions. [2018-11-22 22:20:31,157 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 368 transitions. Word has length 43 [2018-11-22 22:20:31,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:20:31,158 INFO L480 AbstractCegarLoop]: Abstraction has 252 states and 368 transitions. [2018-11-22 22:20:31,158 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:20:31,158 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 368 transitions. [2018-11-22 22:20:31,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-22 22:20:31,160 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:20:31,160 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:20:31,160 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:20:31,160 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:20:31,160 INFO L82 PathProgramCache]: Analyzing trace with hash 1578256893, now seen corresponding path program 1 times [2018-11-22 22:20:31,161 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 22:20:31,161 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 22:20:31,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:31,161 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:20:31,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:31,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:20:31,220 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 22:20:31,221 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:20:31,221 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:20:31,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:20:31,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:20:31,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:20:31,222 INFO L87 Difference]: Start difference. First operand 252 states and 368 transitions. Second operand 3 states. [2018-11-22 22:20:31,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:20:31,382 INFO L93 Difference]: Finished difference Result 594 states and 898 transitions. [2018-11-22 22:20:31,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:20:31,383 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-11-22 22:20:31,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:20:31,384 INFO L225 Difference]: With dead ends: 594 [2018-11-22 22:20:31,384 INFO L226 Difference]: Without dead ends: 352 [2018-11-22 22:20:31,385 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 [2018-11-22 22:20:31,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2018-11-22 22:20:31,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 334. [2018-11-22 22:20:31,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2018-11-22 22:20:31,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 468 transitions. [2018-11-22 22:20:31,400 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 468 transitions. Word has length 60 [2018-11-22 22:20:31,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:20:31,400 INFO L480 AbstractCegarLoop]: Abstraction has 334 states and 468 transitions. [2018-11-22 22:20:31,400 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:20:31,400 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 468 transitions. [2018-11-22 22:20:31,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-22 22:20:31,403 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:20:31,403 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:20:31,403 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:20:31,403 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:20:31,403 INFO L82 PathProgramCache]: Analyzing trace with hash -227181441, now seen corresponding path program 1 times [2018-11-22 22:20:31,403 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 22:20:31,404 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 22:20:31,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:31,404 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:20:31,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:31,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:20:31,462 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 22:20:31,462 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:20:31,463 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:20:31,463 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:20:31,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:20:31,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:20:31,464 INFO L87 Difference]: Start difference. First operand 334 states and 468 transitions. Second operand 3 states. [2018-11-22 22:20:31,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:20:31,570 INFO L93 Difference]: Finished difference Result 702 states and 999 transitions. [2018-11-22 22:20:31,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:20:31,570 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-11-22 22:20:31,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:20:31,572 INFO L225 Difference]: With dead ends: 702 [2018-11-22 22:20:31,572 INFO L226 Difference]: Without dead ends: 380 [2018-11-22 22:20:31,573 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 [2018-11-22 22:20:31,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2018-11-22 22:20:31,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 372. [2018-11-22 22:20:31,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2018-11-22 22:20:31,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 516 transitions. [2018-11-22 22:20:31,585 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 516 transitions. Word has length 60 [2018-11-22 22:20:31,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:20:31,585 INFO L480 AbstractCegarLoop]: Abstraction has 372 states and 516 transitions. [2018-11-22 22:20:31,585 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:20:31,585 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 516 transitions. [2018-11-22 22:20:31,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-22 22:20:31,587 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:20:31,587 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:20:31,587 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:20:31,588 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:20:31,588 INFO L82 PathProgramCache]: Analyzing trace with hash 1103223005, now seen corresponding path program 1 times [2018-11-22 22:20:31,588 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 22:20:31,588 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 22:20:31,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:31,589 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:20:31,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:31,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:20:31,634 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 22:20:31,635 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:20:31,635 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:20:31,635 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:20:31,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:20:31,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:20:31,636 INFO L87 Difference]: Start difference. First operand 372 states and 516 transitions. Second operand 3 states. [2018-11-22 22:20:31,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:20:31,746 INFO L93 Difference]: Finished difference Result 838 states and 1200 transitions. [2018-11-22 22:20:31,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:20:31,746 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2018-11-22 22:20:31,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:20:31,748 INFO L225 Difference]: With dead ends: 838 [2018-11-22 22:20:31,748 INFO L226 Difference]: Without dead ends: 476 [2018-11-22 22:20:31,748 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 [2018-11-22 22:20:31,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2018-11-22 22:20:31,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 450. [2018-11-22 22:20:31,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2018-11-22 22:20:31,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 650 transitions. [2018-11-22 22:20:31,763 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 650 transitions. Word has length 73 [2018-11-22 22:20:31,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:20:31,763 INFO L480 AbstractCegarLoop]: Abstraction has 450 states and 650 transitions. [2018-11-22 22:20:31,763 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:20:31,763 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 650 transitions. [2018-11-22 22:20:31,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-22 22:20:31,764 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:20:31,764 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:20:31,764 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:20:31,765 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:20:31,765 INFO L82 PathProgramCache]: Analyzing trace with hash -1464237739, now seen corresponding path program 1 times [2018-11-22 22:20:31,765 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 22:20:31,765 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 22:20:31,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:31,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:20:31,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:31,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:20:31,807 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-22 22:20:31,808 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:20:31,808 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:20:31,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:20:31,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:20:31,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:20:31,809 INFO L87 Difference]: Start difference. First operand 450 states and 650 transitions. Second operand 3 states. [2018-11-22 22:20:31,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:20:31,903 INFO L93 Difference]: Finished difference Result 936 states and 1361 transitions. [2018-11-22 22:20:31,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:20:31,904 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2018-11-22 22:20:31,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:20:31,906 INFO L225 Difference]: With dead ends: 936 [2018-11-22 22:20:31,906 INFO L226 Difference]: Without dead ends: 498 [2018-11-22 22:20:31,907 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 [2018-11-22 22:20:31,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2018-11-22 22:20:31,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 492. [2018-11-22 22:20:31,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 492 states. [2018-11-22 22:20:31,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 702 transitions. [2018-11-22 22:20:31,919 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 702 transitions. Word has length 76 [2018-11-22 22:20:31,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:20:31,920 INFO L480 AbstractCegarLoop]: Abstraction has 492 states and 702 transitions. [2018-11-22 22:20:31,920 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:20:31,920 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 702 transitions. [2018-11-22 22:20:31,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-22 22:20:31,921 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:20:31,921 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:20:31,922 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:20:31,922 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:20:31,922 INFO L82 PathProgramCache]: Analyzing trace with hash 665980045, now seen corresponding path program 1 times [2018-11-22 22:20:31,923 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 22:20:31,923 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 22:20:31,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:31,923 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:20:31,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:31,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:20:31,967 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-22 22:20:31,968 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:20:31,968 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:20:31,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:20:31,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:20:31,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:20:31,969 INFO L87 Difference]: Start difference. First operand 492 states and 702 transitions. Second operand 3 states. [2018-11-22 22:20:32,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:20:32,016 INFO L93 Difference]: Finished difference Result 972 states and 1393 transitions. [2018-11-22 22:20:32,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:20:32,017 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2018-11-22 22:20:32,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:20:32,021 INFO L225 Difference]: With dead ends: 972 [2018-11-22 22:20:32,021 INFO L226 Difference]: Without dead ends: 731 [2018-11-22 22:20:32,021 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 [2018-11-22 22:20:32,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2018-11-22 22:20:32,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 731. [2018-11-22 22:20:32,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 731 states. [2018-11-22 22:20:32,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 731 states and 1044 transitions. [2018-11-22 22:20:32,037 INFO L78 Accepts]: Start accepts. Automaton has 731 states and 1044 transitions. Word has length 96 [2018-11-22 22:20:32,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:20:32,038 INFO L480 AbstractCegarLoop]: Abstraction has 731 states and 1044 transitions. [2018-11-22 22:20:32,038 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:20:32,038 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 1044 transitions. [2018-11-22 22:20:32,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-22 22:20:32,039 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:20:32,039 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:20:32,040 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:20:32,040 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:20:32,040 INFO L82 PathProgramCache]: Analyzing trace with hash -208123337, now seen corresponding path program 1 times [2018-11-22 22:20:32,040 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 22:20:32,040 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 22:20:32,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:32,041 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:20:32,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:32,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:20:32,079 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-22 22:20:32,079 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:20:32,079 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:20:32,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:20:32,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:20:32,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:20:32,080 INFO L87 Difference]: Start difference. First operand 731 states and 1044 transitions. Second operand 3 states. [2018-11-22 22:20:32,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:20:32,118 INFO L93 Difference]: Finished difference Result 972 states and 1390 transitions. [2018-11-22 22:20:32,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:20:32,119 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2018-11-22 22:20:32,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:20:32,122 INFO L225 Difference]: With dead ends: 972 [2018-11-22 22:20:32,122 INFO L226 Difference]: Without dead ends: 970 [2018-11-22 22:20:32,123 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 [2018-11-22 22:20:32,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 970 states. [2018-11-22 22:20:32,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 970 to 970. [2018-11-22 22:20:32,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 970 states. [2018-11-22 22:20:32,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 970 states and 1388 transitions. [2018-11-22 22:20:32,142 INFO L78 Accepts]: Start accepts. Automaton has 970 states and 1388 transitions. Word has length 98 [2018-11-22 22:20:32,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:20:32,143 INFO L480 AbstractCegarLoop]: Abstraction has 970 states and 1388 transitions. [2018-11-22 22:20:32,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:20:32,143 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1388 transitions. [2018-11-22 22:20:32,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-22 22:20:32,145 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:20:32,145 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:20:32,145 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:20:32,145 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:20:32,145 INFO L82 PathProgramCache]: Analyzing trace with hash 1174534704, now seen corresponding path program 1 times [2018-11-22 22:20:32,145 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 22:20:32,145 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 22:20:32,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:32,146 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:20:32,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:20:32,178 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-22 22:20:32,178 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:20:32,179 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:20:32,179 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:20:32,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:20:32,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:20:32,179 INFO L87 Difference]: Start difference. First operand 970 states and 1388 transitions. Second operand 3 states. [2018-11-22 22:20:32,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:20:32,275 INFO L93 Difference]: Finished difference Result 2034 states and 2930 transitions. [2018-11-22 22:20:32,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:20:32,275 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2018-11-22 22:20:32,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:20:32,278 INFO L225 Difference]: With dead ends: 2034 [2018-11-22 22:20:32,279 INFO L226 Difference]: Without dead ends: 1076 [2018-11-22 22:20:32,280 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 [2018-11-22 22:20:32,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2018-11-22 22:20:32,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 1062. [2018-11-22 22:20:32,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1062 states. [2018-11-22 22:20:32,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 1062 states and 1500 transitions. [2018-11-22 22:20:32,304 INFO L78 Accepts]: Start accepts. Automaton has 1062 states and 1500 transitions. Word has length 123 [2018-11-22 22:20:32,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:20:32,304 INFO L480 AbstractCegarLoop]: Abstraction has 1062 states and 1500 transitions. [2018-11-22 22:20:32,304 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:20:32,304 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1500 transitions. [2018-11-22 22:20:32,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-22 22:20:32,306 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:20:32,307 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:20:32,307 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:20:32,307 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:20:32,307 INFO L82 PathProgramCache]: Analyzing trace with hash -176623095, now seen corresponding path program 1 times [2018-11-22 22:20:32,307 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 22:20:32,307 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 22:20:32,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:32,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:20:32,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:32,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:20:32,345 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2018-11-22 22:20:32,345 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:20:32,346 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:20:32,346 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:20:32,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:20:32,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:20:32,346 INFO L87 Difference]: Start difference. First operand 1062 states and 1500 transitions. Second operand 3 states. [2018-11-22 22:20:32,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:20:32,474 INFO L93 Difference]: Finished difference Result 2316 states and 3324 transitions. [2018-11-22 22:20:32,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:20:32,474 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 144 [2018-11-22 22:20:32,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:20:32,478 INFO L225 Difference]: With dead ends: 2316 [2018-11-22 22:20:32,478 INFO L226 Difference]: Without dead ends: 1258 [2018-11-22 22:20:32,480 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 [2018-11-22 22:20:32,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1258 states. [2018-11-22 22:20:32,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1258 to 1218. [2018-11-22 22:20:32,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1218 states. [2018-11-22 22:20:32,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 1724 transitions. [2018-11-22 22:20:32,508 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 1724 transitions. Word has length 144 [2018-11-22 22:20:32,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:20:32,508 INFO L480 AbstractCegarLoop]: Abstraction has 1218 states and 1724 transitions. [2018-11-22 22:20:32,508 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:20:32,508 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1724 transitions. [2018-11-22 22:20:32,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-22 22:20:32,511 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:20:32,512 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:20:32,512 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:20:32,512 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:20:32,512 INFO L82 PathProgramCache]: Analyzing trace with hash -871418854, now seen corresponding path program 1 times [2018-11-22 22:20:32,512 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 22:20:32,512 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 22:20:32,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:32,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:20:32,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:32,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:20:32,578 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2018-11-22 22:20:32,578 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:20:32,578 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:20:32,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:20:32,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:20:32,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:20:32,579 INFO L87 Difference]: Start difference. First operand 1218 states and 1724 transitions. Second operand 3 states. [2018-11-22 22:20:32,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:20:32,691 INFO L93 Difference]: Finished difference Result 2544 states and 3576 transitions. [2018-11-22 22:20:32,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:20:32,692 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 180 [2018-11-22 22:20:32,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:20:32,696 INFO L225 Difference]: With dead ends: 2544 [2018-11-22 22:20:32,696 INFO L226 Difference]: Without dead ends: 1338 [2018-11-22 22:20:32,698 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 [2018-11-22 22:20:32,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1338 states. [2018-11-22 22:20:32,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1338 to 1330. [2018-11-22 22:20:32,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1330 states. [2018-11-22 22:20:32,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1330 states and 1856 transitions. [2018-11-22 22:20:32,725 INFO L78 Accepts]: Start accepts. Automaton has 1330 states and 1856 transitions. Word has length 180 [2018-11-22 22:20:32,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:20:32,725 INFO L480 AbstractCegarLoop]: Abstraction has 1330 states and 1856 transitions. [2018-11-22 22:20:32,725 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:20:32,725 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1856 transitions. [2018-11-22 22:20:32,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-22 22:20:32,728 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:20:32,729 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:20:32,729 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:20:32,729 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:20:32,729 INFO L82 PathProgramCache]: Analyzing trace with hash -310719076, now seen corresponding path program 1 times [2018-11-22 22:20:32,729 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 22:20:32,729 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 22:20:32,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:32,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:20:32,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:32,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:20:32,773 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2018-11-22 22:20:32,773 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:20:32,773 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:20:32,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:20:32,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:20:32,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:20:32,774 INFO L87 Difference]: Start difference. First operand 1330 states and 1856 transitions. Second operand 3 states. [2018-11-22 22:20:32,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:20:32,877 INFO L93 Difference]: Finished difference Result 2784 states and 3876 transitions. [2018-11-22 22:20:32,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:20:32,877 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 180 [2018-11-22 22:20:32,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:20:32,881 INFO L225 Difference]: With dead ends: 2784 [2018-11-22 22:20:32,882 INFO L226 Difference]: Without dead ends: 1466 [2018-11-22 22:20:32,883 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 [2018-11-22 22:20:32,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1466 states. [2018-11-22 22:20:32,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1466 to 1454. [2018-11-22 22:20:32,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1454 states. [2018-11-22 22:20:32,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 1454 states and 2000 transitions. [2018-11-22 22:20:32,911 INFO L78 Accepts]: Start accepts. Automaton has 1454 states and 2000 transitions. Word has length 180 [2018-11-22 22:20:32,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:20:32,911 INFO L480 AbstractCegarLoop]: Abstraction has 1454 states and 2000 transitions. [2018-11-22 22:20:32,911 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:20:32,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1454 states and 2000 transitions. [2018-11-22 22:20:32,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-22 22:20:32,915 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:20:32,915 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:20:32,915 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:20:32,915 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:20:32,916 INFO L82 PathProgramCache]: Analyzing trace with hash 2035334682, now seen corresponding path program 1 times [2018-11-22 22:20:32,916 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 22:20:32,916 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 22:20:32,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:32,916 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:20:32,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:20:32,967 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 308 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2018-11-22 22:20:32,967 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:20:32,967 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:20:32,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:20:32,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:20:32,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:20:32,968 INFO L87 Difference]: Start difference. First operand 1454 states and 2000 transitions. Second operand 3 states. [2018-11-22 22:20:33,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:20:33,008 INFO L93 Difference]: Finished difference Result 4334 states and 5964 transitions. [2018-11-22 22:20:33,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:20:33,009 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 210 [2018-11-22 22:20:33,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:20:33,016 INFO L225 Difference]: With dead ends: 4334 [2018-11-22 22:20:33,017 INFO L226 Difference]: Without dead ends: 2892 [2018-11-22 22:20:33,019 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 [2018-11-22 22:20:33,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2892 states. [2018-11-22 22:20:33,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2892 to 2890. [2018-11-22 22:20:33,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2890 states. [2018-11-22 22:20:33,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2890 states to 2890 states and 3975 transitions. [2018-11-22 22:20:33,079 INFO L78 Accepts]: Start accepts. Automaton has 2890 states and 3975 transitions. Word has length 210 [2018-11-22 22:20:33,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:20:33,079 INFO L480 AbstractCegarLoop]: Abstraction has 2890 states and 3975 transitions. [2018-11-22 22:20:33,079 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:20:33,080 INFO L276 IsEmpty]: Start isEmpty. Operand 2890 states and 3975 transitions. [2018-11-22 22:20:33,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-22 22:20:33,084 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:20:33,084 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:20:33,084 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:20:33,085 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:20:33,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1698932836, now seen corresponding path program 1 times [2018-11-22 22:20:33,085 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 22:20:33,085 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 22:20:33,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:33,086 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:20:33,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:33,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:20:33,182 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2018-11-22 22:20:33,183 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:20:33,183 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:20:33,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:20:33,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:20:33,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:20:33,184 INFO L87 Difference]: Start difference. First operand 2890 states and 3975 transitions. Second operand 3 states. [2018-11-22 22:20:33,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:20:33,298 INFO L93 Difference]: Finished difference Result 6068 states and 8346 transitions. [2018-11-22 22:20:33,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:20:33,298 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 210 [2018-11-22 22:20:33,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:20:33,307 INFO L225 Difference]: With dead ends: 6068 [2018-11-22 22:20:33,307 INFO L226 Difference]: Without dead ends: 3190 [2018-11-22 22:20:33,310 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 [2018-11-22 22:20:33,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3190 states. [2018-11-22 22:20:33,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3190 to 3174. [2018-11-22 22:20:33,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3174 states. [2018-11-22 22:20:33,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3174 states to 3174 states and 4299 transitions. [2018-11-22 22:20:33,370 INFO L78 Accepts]: Start accepts. Automaton has 3174 states and 4299 transitions. Word has length 210 [2018-11-22 22:20:33,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:20:33,370 INFO L480 AbstractCegarLoop]: Abstraction has 3174 states and 4299 transitions. [2018-11-22 22:20:33,371 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:20:33,371 INFO L276 IsEmpty]: Start isEmpty. Operand 3174 states and 4299 transitions. [2018-11-22 22:20:33,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-22 22:20:33,375 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:20:33,376 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:20:33,376 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:20:33,376 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:20:33,376 INFO L82 PathProgramCache]: Analyzing trace with hash -1588238652, now seen corresponding path program 1 times [2018-11-22 22:20:33,376 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 22:20:33,376 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 22:20:33,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:33,377 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:20:33,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:33,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:20:33,457 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2018-11-22 22:20:33,457 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:20:33,458 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:20:33,458 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:20:33,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:20:33,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:20:33,458 INFO L87 Difference]: Start difference. First operand 3174 states and 4299 transitions. Second operand 3 states. [2018-11-22 22:20:33,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:20:33,582 INFO L93 Difference]: Finished difference Result 6484 states and 8778 transitions. [2018-11-22 22:20:33,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:20:33,582 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 234 [2018-11-22 22:20:33,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:20:33,591 INFO L225 Difference]: With dead ends: 6484 [2018-11-22 22:20:33,591 INFO L226 Difference]: Without dead ends: 3322 [2018-11-22 22:20:33,595 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 [2018-11-22 22:20:33,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3322 states. [2018-11-22 22:20:33,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3322 to 3306. [2018-11-22 22:20:33,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3306 states. [2018-11-22 22:20:33,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3306 states to 3306 states and 4451 transitions. [2018-11-22 22:20:33,657 INFO L78 Accepts]: Start accepts. Automaton has 3306 states and 4451 transitions. Word has length 234 [2018-11-22 22:20:33,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:20:33,658 INFO L480 AbstractCegarLoop]: Abstraction has 3306 states and 4451 transitions. [2018-11-22 22:20:33,658 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:20:33,658 INFO L276 IsEmpty]: Start isEmpty. Operand 3306 states and 4451 transitions. [2018-11-22 22:20:33,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-11-22 22:20:33,663 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:20:33,664 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:20:33,664 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:20:33,664 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:20:33,664 INFO L82 PathProgramCache]: Analyzing trace with hash -736614694, now seen corresponding path program 1 times [2018-11-22 22:20:33,664 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 22:20:33,664 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 22:20:33,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:33,665 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:20:33,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:33,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:20:33,741 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2018-11-22 22:20:33,742 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:20:33,742 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:20:33,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:20:33,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:20:33,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:20:33,743 INFO L87 Difference]: Start difference. First operand 3306 states and 4451 transitions. Second operand 3 states. [2018-11-22 22:20:33,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:20:33,935 INFO L93 Difference]: Finished difference Result 7000 states and 9558 transitions. [2018-11-22 22:20:33,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:20:33,936 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 245 [2018-11-22 22:20:33,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:20:33,946 INFO L225 Difference]: With dead ends: 7000 [2018-11-22 22:20:33,946 INFO L226 Difference]: Without dead ends: 3706 [2018-11-22 22:20:33,950 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 [2018-11-22 22:20:33,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3706 states. [2018-11-22 22:20:34,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3706 to 3618. [2018-11-22 22:20:34,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3618 states. [2018-11-22 22:20:34,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3618 states to 3618 states and 4819 transitions. [2018-11-22 22:20:34,015 INFO L78 Accepts]: Start accepts. Automaton has 3618 states and 4819 transitions. Word has length 245 [2018-11-22 22:20:34,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:20:34,016 INFO L480 AbstractCegarLoop]: Abstraction has 3618 states and 4819 transitions. [2018-11-22 22:20:34,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:20:34,016 INFO L276 IsEmpty]: Start isEmpty. Operand 3618 states and 4819 transitions. [2018-11-22 22:20:34,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-11-22 22:20:34,022 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:20:34,022 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:20:34,022 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:20:34,022 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:20:34,023 INFO L82 PathProgramCache]: Analyzing trace with hash 1168177660, now seen corresponding path program 1 times [2018-11-22 22:20:34,023 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 22:20:34,023 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 22:20:34,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:34,023 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:20:34,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:34,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:20:34,084 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2018-11-22 22:20:34,085 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:20:34,085 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:20:34,085 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:20:34,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:20:34,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:20:34,086 INFO L87 Difference]: Start difference. First operand 3618 states and 4819 transitions. Second operand 3 states. [2018-11-22 22:20:34,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:20:34,246 INFO L93 Difference]: Finished difference Result 7632 states and 10102 transitions. [2018-11-22 22:20:34,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:20:34,247 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 259 [2018-11-22 22:20:34,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:20:34,261 INFO L225 Difference]: With dead ends: 7632 [2018-11-22 22:20:34,261 INFO L226 Difference]: Without dead ends: 4026 [2018-11-22 22:20:34,266 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 [2018-11-22 22:20:34,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4026 states. [2018-11-22 22:20:34,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4026 to 3738. [2018-11-22 22:20:34,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3738 states. [2018-11-22 22:20:34,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3738 states to 3738 states and 4963 transitions. [2018-11-22 22:20:34,338 INFO L78 Accepts]: Start accepts. Automaton has 3738 states and 4963 transitions. Word has length 259 [2018-11-22 22:20:34,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:20:34,339 INFO L480 AbstractCegarLoop]: Abstraction has 3738 states and 4963 transitions. [2018-11-22 22:20:34,339 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:20:34,339 INFO L276 IsEmpty]: Start isEmpty. Operand 3738 states and 4963 transitions. [2018-11-22 22:20:34,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-11-22 22:20:34,346 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:20:34,346 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:20:34,346 INFO L423 AbstractCegarLoop]: === Iteration 18 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:20:34,346 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:20:34,346 INFO L82 PathProgramCache]: Analyzing trace with hash 1227839833, now seen corresponding path program 1 times [2018-11-22 22:20:34,346 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 22:20:34,346 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 22:20:34,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:34,347 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:20:34,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:34,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:20:34,431 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2018-11-22 22:20:34,431 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:20:34,431 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:20:34,432 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:20:34,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:20:34,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:20:34,432 INFO L87 Difference]: Start difference. First operand 3738 states and 4963 transitions. Second operand 3 states. [2018-11-22 22:20:34,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:20:34,519 INFO L93 Difference]: Finished difference Result 10686 states and 14265 transitions. [2018-11-22 22:20:34,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:20:34,520 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 260 [2018-11-22 22:20:34,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:20:34,532 INFO L225 Difference]: With dead ends: 10686 [2018-11-22 22:20:34,532 INFO L226 Difference]: Without dead ends: 6960 [2018-11-22 22:20:34,538 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 [2018-11-22 22:20:34,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6960 states. [2018-11-22 22:20:34,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6960 to 6958. [2018-11-22 22:20:34,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6958 states. [2018-11-22 22:20:34,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6958 states to 6958 states and 9293 transitions. [2018-11-22 22:20:34,736 INFO L78 Accepts]: Start accepts. Automaton has 6958 states and 9293 transitions. Word has length 260 [2018-11-22 22:20:34,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:20:34,736 INFO L480 AbstractCegarLoop]: Abstraction has 6958 states and 9293 transitions. [2018-11-22 22:20:34,736 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:20:34,736 INFO L276 IsEmpty]: Start isEmpty. Operand 6958 states and 9293 transitions. [2018-11-22 22:20:34,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-11-22 22:20:34,746 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:20:34,746 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:20:34,746 INFO L423 AbstractCegarLoop]: === Iteration 19 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:20:34,746 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:20:34,747 INFO L82 PathProgramCache]: Analyzing trace with hash 1806818967, now seen corresponding path program 1 times [2018-11-22 22:20:34,747 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 22:20:34,747 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 22:20:34,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:34,747 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:20:34,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:20:34,830 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 347 proven. 0 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2018-11-22 22:20:34,831 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:20:34,831 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:20:34,831 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:20:34,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:20:34,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:20:34,832 INFO L87 Difference]: Start difference. First operand 6958 states and 9293 transitions. Second operand 3 states. [2018-11-22 22:20:35,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:20:35,002 INFO L93 Difference]: Finished difference Result 13912 states and 18562 transitions. [2018-11-22 22:20:35,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:20:35,003 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 261 [2018-11-22 22:20:35,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:20:35,016 INFO L225 Difference]: With dead ends: 13912 [2018-11-22 22:20:35,017 INFO L226 Difference]: Without dead ends: 6966 [2018-11-22 22:20:35,026 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 [2018-11-22 22:20:35,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6966 states. [2018-11-22 22:20:35,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6966 to 6934. [2018-11-22 22:20:35,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6934 states. [2018-11-22 22:20:35,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6934 states to 6934 states and 9077 transitions. [2018-11-22 22:20:35,141 INFO L78 Accepts]: Start accepts. Automaton has 6934 states and 9077 transitions. Word has length 261 [2018-11-22 22:20:35,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:20:35,141 INFO L480 AbstractCegarLoop]: Abstraction has 6934 states and 9077 transitions. [2018-11-22 22:20:35,142 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:20:35,142 INFO L276 IsEmpty]: Start isEmpty. Operand 6934 states and 9077 transitions. [2018-11-22 22:20:35,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-11-22 22:20:35,152 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:20:35,152 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:20:35,152 INFO L423 AbstractCegarLoop]: === Iteration 20 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:20:35,152 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:20:35,152 INFO L82 PathProgramCache]: Analyzing trace with hash 747649846, now seen corresponding path program 1 times [2018-11-22 22:20:35,152 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 22:20:35,153 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 22:20:35,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:35,153 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:20:35,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:35,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:20:35,231 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 318 proven. 18 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2018-11-22 22:20:35,232 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:20:35,232 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a632fe41-1d9b-4710-a2f2-c9d77c5411b4/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 22:20:35,241 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:20:35,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:20:35,323 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:20:35,432 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 782 trivial. 0 not checked. [2018-11-22 22:20:35,448 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 22:20:35,448 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2018-11-22 22:20:35,449 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 22:20:35,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 22:20:35,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-22 22:20:35,449 INFO L87 Difference]: Start difference. First operand 6934 states and 9077 transitions. Second operand 6 states. [2018-11-22 22:20:35,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:20:35,833 INFO L93 Difference]: Finished difference Result 17368 states and 22742 transitions. [2018-11-22 22:20:35,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-22 22:20:35,834 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 284 [2018-11-22 22:20:35,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:20:35,843 INFO L225 Difference]: With dead ends: 17368 [2018-11-22 22:20:35,843 INFO L226 Difference]: Without dead ends: 10410 [2018-11-22 22:20:35,852 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2018-11-22 22:20:35,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10410 states. [2018-11-22 22:20:35,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10410 to 8844. [2018-11-22 22:20:35,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8844 states. [2018-11-22 22:20:35,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8844 states to 8844 states and 11583 transitions. [2018-11-22 22:20:35,979 INFO L78 Accepts]: Start accepts. Automaton has 8844 states and 11583 transitions. Word has length 284 [2018-11-22 22:20:35,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:20:35,980 INFO L480 AbstractCegarLoop]: Abstraction has 8844 states and 11583 transitions. [2018-11-22 22:20:35,980 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 22:20:35,980 INFO L276 IsEmpty]: Start isEmpty. Operand 8844 states and 11583 transitions. [2018-11-22 22:20:35,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-11-22 22:20:35,988 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:20:35,988 INFO L402 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:20:35,988 INFO L423 AbstractCegarLoop]: === Iteration 21 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:20:35,988 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:20:35,988 INFO L82 PathProgramCache]: Analyzing trace with hash 280748442, now seen corresponding path program 1 times [2018-11-22 22:20:35,988 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 22:20:35,988 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 22:20:35,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:35,989 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:20:35,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:36,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:20:36,062 INFO L134 CoverageAnalysis]: Checked inductivity of 981 backedges. 407 proven. 5 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2018-11-22 22:20:36,062 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:20:36,062 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a632fe41-1d9b-4710-a2f2-c9d77c5411b4/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 22:20:36,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:20:36,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:20:36,119 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:20:36,211 INFO L134 CoverageAnalysis]: Checked inductivity of 981 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 811 trivial. 0 not checked. [2018-11-22 22:20:36,226 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 22:20:36,226 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-11-22 22:20:36,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-22 22:20:36,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-22 22:20:36,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-22 22:20:36,227 INFO L87 Difference]: Start difference. First operand 8844 states and 11583 transitions. Second operand 5 states. [2018-11-22 22:20:36,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:20:36,669 INFO L93 Difference]: Finished difference Result 20417 states and 26625 transitions. [2018-11-22 22:20:36,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-22 22:20:36,669 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 310 [2018-11-22 22:20:36,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:20:36,686 INFO L225 Difference]: With dead ends: 20417 [2018-11-22 22:20:36,686 INFO L226 Difference]: Without dead ends: 11583 [2018-11-22 22:20:36,697 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-11-22 22:20:36,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11583 states. [2018-11-22 22:20:36,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11583 to 9674. [2018-11-22 22:20:36,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9674 states. [2018-11-22 22:20:36,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9674 states to 9674 states and 12389 transitions. [2018-11-22 22:20:36,895 INFO L78 Accepts]: Start accepts. Automaton has 9674 states and 12389 transitions. Word has length 310 [2018-11-22 22:20:36,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:20:36,895 INFO L480 AbstractCegarLoop]: Abstraction has 9674 states and 12389 transitions. [2018-11-22 22:20:36,895 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-22 22:20:36,896 INFO L276 IsEmpty]: Start isEmpty. Operand 9674 states and 12389 transitions. [2018-11-22 22:20:36,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2018-11-22 22:20:36,910 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:20:36,910 INFO L402 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 16, 16, 16, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:20:36,911 INFO L423 AbstractCegarLoop]: === Iteration 22 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:20:36,911 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:20:36,911 INFO L82 PathProgramCache]: Analyzing trace with hash 1592916915, now seen corresponding path program 1 times [2018-11-22 22:20:36,911 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 22:20:36,911 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 22:20:36,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:36,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:20:36,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:36,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:20:37,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1969 backedges. 884 proven. 0 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2018-11-22 22:20:37,023 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:20:37,023 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:20:37,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:20:37,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:20:37,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:20:37,024 INFO L87 Difference]: Start difference. First operand 9674 states and 12389 transitions. Second operand 3 states. [2018-11-22 22:20:37,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:20:37,222 INFO L93 Difference]: Finished difference Result 18321 states and 23212 transitions. [2018-11-22 22:20:37,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:20:37,224 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 416 [2018-11-22 22:20:37,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:20:37,231 INFO L225 Difference]: With dead ends: 18321 [2018-11-22 22:20:37,231 INFO L226 Difference]: Without dead ends: 3877 [2018-11-22 22:20:37,246 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 [2018-11-22 22:20:37,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3877 states. [2018-11-22 22:20:37,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3877 to 3536. [2018-11-22 22:20:37,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3536 states. [2018-11-22 22:20:37,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3536 states to 3536 states and 4402 transitions. [2018-11-22 22:20:37,311 INFO L78 Accepts]: Start accepts. Automaton has 3536 states and 4402 transitions. Word has length 416 [2018-11-22 22:20:37,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:20:37,311 INFO L480 AbstractCegarLoop]: Abstraction has 3536 states and 4402 transitions. [2018-11-22 22:20:37,311 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:20:37,311 INFO L276 IsEmpty]: Start isEmpty. Operand 3536 states and 4402 transitions. [2018-11-22 22:20:37,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2018-11-22 22:20:37,320 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:20:37,321 INFO L402 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 14, 14, 13, 13, 12, 12, 11, 11, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:20:37,321 INFO L423 AbstractCegarLoop]: === Iteration 23 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:20:37,321 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:20:37,321 INFO L82 PathProgramCache]: Analyzing trace with hash -1911375163, now seen corresponding path program 1 times [2018-11-22 22:20:37,321 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 22:20:37,321 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 22:20:37,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:37,322 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:20:37,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:20:37,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:20:37,520 INFO L134 CoverageAnalysis]: Checked inductivity of 2042 backedges. 1283 proven. 14 refuted. 0 times theorem prover too weak. 745 trivial. 0 not checked. [2018-11-22 22:20:37,520 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 22:20:37,520 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a632fe41-1d9b-4710-a2f2-c9d77c5411b4/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 22:20:37,531 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:20:37,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:20:37,615 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:20:37,701 INFO L134 CoverageAnalysis]: Checked inductivity of 2042 backedges. 1283 proven. 14 refuted. 0 times theorem prover too weak. 745 trivial. 0 not checked. [2018-11-22 22:20:37,727 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-22 22:20:37,727 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-11-22 22:20:37,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-22 22:20:37,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-22 22:20:37,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-22 22:20:37,728 INFO L87 Difference]: Start difference. First operand 3536 states and 4402 transitions. Second operand 4 states. [2018-11-22 22:20:37,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:20:37,865 INFO L93 Difference]: Finished difference Result 4032 states and 5027 transitions. [2018-11-22 22:20:37,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-22 22:20:37,866 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 447 [2018-11-22 22:20:37,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:20:37,867 INFO L225 Difference]: With dead ends: 4032 [2018-11-22 22:20:37,867 INFO L226 Difference]: Without dead ends: 0 [2018-11-22 22:20:37,871 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 452 GetRequests, 449 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-22 22:20:37,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-22 22:20:37,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-22 22:20:37,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-22 22:20:37,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-22 22:20:37,871 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 447 [2018-11-22 22:20:37,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:20:37,872 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 22:20:37,872 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-22 22:20:37,872 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-22 22:20:37,872 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 22:20:37,876 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-22 22:20:37,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:37,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:37,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:37,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:37,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:37,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:37,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:37,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:37,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:37,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:37,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:37,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:37,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:37,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:37,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:37,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:37,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:37,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:37,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:37,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,010 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,224 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,272 WARN L180 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 68 [2018-11-22 22:20:38,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,299 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 22:20:38,987 WARN L180 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 56 [2018-11-22 22:20:39,147 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-22 22:20:39,148 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-22 22:20:39,148 INFO L448 ceAbstractionStarter]: For program point L399(lines 399 401) no Hoare annotation was computed. [2018-11-22 22:20:39,148 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 368) no Hoare annotation was computed. [2018-11-22 22:20:39,148 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 491) no Hoare annotation was computed. [2018-11-22 22:20:39,148 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 502) no Hoare annotation was computed. [2018-11-22 22:20:39,148 INFO L448 ceAbstractionStarter]: For program point L103(lines 103 513) no Hoare annotation was computed. [2018-11-22 22:20:39,148 INFO L448 ceAbstractionStarter]: For program point L467(lines 467 469) no Hoare annotation was computed. [2018-11-22 22:20:39,148 INFO L448 ceAbstractionStarter]: For program point L467-2(lines 467 469) no Hoare annotation was computed. [2018-11-22 22:20:39,148 INFO L444 ceAbstractionStarter]: At program point L137(lines 133 503) the Hoare annotation is: (or (and (<= 4352 ssl3_connect_~s__state~0) (<= ssl3_connect_~blastFlag~0 4) (= ssl3_connect_~s__hit~0 0) (<= ssl3_connect_~s__state~0 4560)) (< |ssl3_connect_#in~initial_state| 12292)) [2018-11-22 22:20:39,148 INFO L451 ceAbstractionStarter]: At program point L534(lines 96 535) the Hoare annotation is: true [2018-11-22 22:20:39,148 INFO L448 ceAbstractionStarter]: For program point L270(lines 270 274) no Hoare annotation was computed. [2018-11-22 22:20:39,148 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 240) no Hoare annotation was computed. [2018-11-22 22:20:39,148 INFO L448 ceAbstractionStarter]: For program point L270-2(lines 270 274) no Hoare annotation was computed. [2018-11-22 22:20:39,148 INFO L448 ceAbstractionStarter]: For program point L304(lines 304 307) no Hoare annotation was computed. [2018-11-22 22:20:39,149 INFO L444 ceAbstractionStarter]: At program point L205(lines 103 513) the Hoare annotation is: (or (< |ssl3_connect_#in~initial_state| 12292) (<= ssl3_connect_~blastFlag~0 0) (and (<= ssl3_connect_~blastFlag~0 4) (= ssl3_connect_~s__hit~0 0))) [2018-11-22 22:20:39,149 INFO L448 ceAbstractionStarter]: For program point L172(lines 172 490) no Hoare annotation was computed. [2018-11-22 22:20:39,149 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 501) no Hoare annotation was computed. [2018-11-22 22:20:39,149 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 512) no Hoare annotation was computed. [2018-11-22 22:20:39,149 INFO L444 ceAbstractionStarter]: At program point L173(lines 169 491) the Hoare annotation is: (or (< |ssl3_connect_#in~initial_state| 12292) (and (= ssl3_connect_~s__hit~0 0) (<= ssl3_connect_~s__state~0 4560) (<= 4464 ssl3_connect_~s__state~0))) [2018-11-22 22:20:39,149 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 474) no Hoare annotation was computed. [2018-11-22 22:20:39,149 INFO L448 ceAbstractionStarter]: For program point L439(lines 439 450) no Hoare annotation was computed. [2018-11-22 22:20:39,149 INFO L448 ceAbstractionStarter]: For program point L406(lines 406 420) no Hoare annotation was computed. [2018-11-22 22:20:39,149 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 406 420) no Hoare annotation was computed. [2018-11-22 22:20:39,149 INFO L448 ceAbstractionStarter]: For program point L439-2(lines 439 450) no Hoare annotation was computed. [2018-11-22 22:20:39,149 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 489) no Hoare annotation was computed. [2018-11-22 22:20:39,149 INFO L448 ceAbstractionStarter]: For program point L142(lines 142 500) no Hoare annotation was computed. [2018-11-22 22:20:39,149 INFO L448 ceAbstractionStarter]: For program point L109(lines 109 511) no Hoare annotation was computed. [2018-11-22 22:20:39,149 INFO L448 ceAbstractionStarter]: For program point L539(lines 539 541) no Hoare annotation was computed. [2018-11-22 22:20:39,149 INFO L448 ceAbstractionStarter]: For program point L539-2(lines 539 541) no Hoare annotation was computed. [2018-11-22 22:20:39,150 INFO L444 ceAbstractionStarter]: At program point L143(lines 139 501) the Hoare annotation is: (or (and (<= 4352 ssl3_connect_~s__state~0) (<= ssl3_connect_~blastFlag~0 4) (= ssl3_connect_~s__hit~0 0) (<= ssl3_connect_~s__state~0 4560)) (< |ssl3_connect_#in~initial_state| 12292)) [2018-11-22 22:20:39,150 INFO L448 ceAbstractionStarter]: For program point L342(lines 342 344) no Hoare annotation was computed. [2018-11-22 22:20:39,150 INFO L448 ceAbstractionStarter]: For program point L210(lines 210 212) no Hoare annotation was computed. [2018-11-22 22:20:39,150 INFO L448 ceAbstractionStarter]: For program point L210-2(lines 210 212) no Hoare annotation was computed. [2018-11-22 22:20:39,150 INFO L448 ceAbstractionStarter]: For program point L376(lines 376 378) no Hoare annotation was computed. [2018-11-22 22:20:39,150 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 488) no Hoare annotation was computed. [2018-11-22 22:20:39,150 INFO L448 ceAbstractionStarter]: For program point L145(lines 145 499) no Hoare annotation was computed. [2018-11-22 22:20:39,150 INFO L448 ceAbstractionStarter]: For program point L112(lines 112 510) no Hoare annotation was computed. [2018-11-22 22:20:39,150 INFO L448 ceAbstractionStarter]: For program point L410(lines 410 416) no Hoare annotation was computed. [2018-11-22 22:20:39,150 INFO L444 ceAbstractionStarter]: At program point L179(lines 175 489) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~s__state~0 4560)) (.cse1 (<= 4464 ssl3_connect_~s__state~0))) (or (< |ssl3_connect_#in~initial_state| 12292) (and (= ssl3_connect_~s__hit~0 0) .cse0 .cse1) (and (<= ssl3_connect_~blastFlag~0 2) .cse0 .cse1))) [2018-11-22 22:20:39,150 INFO L448 ceAbstractionStarter]: For program point L444(lines 444 447) no Hoare annotation was computed. [2018-11-22 22:20:39,150 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 314) no Hoare annotation was computed. [2018-11-22 22:20:39,150 INFO L448 ceAbstractionStarter]: For program point L279-1(lines 279 289) no Hoare annotation was computed. [2018-11-22 22:20:39,150 INFO L444 ceAbstractionStarter]: At program point L313(lines 75 545) the Hoare annotation is: (< |ssl3_connect_#in~initial_state| 12292) [2018-11-22 22:20:39,151 INFO L448 ceAbstractionStarter]: For program point L181(lines 181 487) no Hoare annotation was computed. [2018-11-22 22:20:39,151 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 498) no Hoare annotation was computed. [2018-11-22 22:20:39,151 INFO L448 ceAbstractionStarter]: For program point L115(lines 115 509) no Hoare annotation was computed. [2018-11-22 22:20:39,151 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 218) no Hoare annotation was computed. [2018-11-22 22:20:39,151 INFO L444 ceAbstractionStarter]: At program point L149(lines 145 499) the Hoare annotation is: (let ((.cse0 (<= 4352 ssl3_connect_~s__state~0)) (.cse1 (= ssl3_connect_~s__hit~0 0)) (.cse2 (<= ssl3_connect_~s__state~0 4560))) (or (and .cse0 (<= ssl3_connect_~blastFlag~0 4) .cse1 .cse2) (< |ssl3_connect_#in~initial_state| 12292) (and (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse0 .cse1 .cse2))) [2018-11-22 22:20:39,151 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-22 22:20:39,151 INFO L444 ceAbstractionStarter]: At program point L480(lines 97 533) the Hoare annotation is: (let ((.cse3 (<= ssl3_connect_~s__state~0 4352)) (.cse4 (<= 4352 ssl3_connect_~s__state~0)) (.cse7 (<= 4560 ssl3_connect_~s__s3__tmp__next_state___0~0)) (.cse8 (<= 4560 ssl3_connect_~s__state~0)) (.cse9 (<= ssl3_connect_~s__state~0 4560)) (.cse6 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560)) (.cse0 (<= ssl3_connect_~blastFlag~0 2)) (.cse5 (= ssl3_connect_~s__state~0 4512)) (.cse1 (= ssl3_connect_~s__state~0 4528)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (and .cse0 .cse1) (and .cse2 (= ssl3_connect_~s__state~0 4480)) (and (= ssl3_connect_~s__state~0 4496) .cse2) (and .cse0 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 3) .cse3 .cse4) (and .cse0 (= ssl3_connect_~s__state~0 4384)) (and .cse5 .cse2) (and (= ssl3_connect_~s__state~0 4464) .cse2) (< |ssl3_connect_#in~initial_state| 12292) (and .cse6 .cse3 .cse4 .cse2 .cse7) (and .cse6 .cse8 .cse2 .cse9 .cse7) (and (<= ssl3_connect_~blastFlag~0 0) (= ssl3_connect_~s__state~0 4368)) (and .cse0 .cse8 .cse9) (and (<= ssl3_connect_~s__state~0 3) .cse6) (and .cse0 .cse5) (and .cse1 .cse2) (and (<= ssl3_connect_~blastFlag~0 4) .cse2))) [2018-11-22 22:20:39,151 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 317) no Hoare annotation was computed. [2018-11-22 22:20:39,151 INFO L448 ceAbstractionStarter]: For program point L249(lines 249 251) no Hoare annotation was computed. [2018-11-22 22:20:39,151 INFO L448 ceAbstractionStarter]: For program point L249-2(lines 200 479) no Hoare annotation was computed. [2018-11-22 22:20:39,151 INFO L451 ceAbstractionStarter]: At program point ssl3_connectENTRY(lines 11 546) the Hoare annotation is: true [2018-11-22 22:20:39,151 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 386) no Hoare annotation was computed. [2018-11-22 22:20:39,152 INFO L448 ceAbstractionStarter]: For program point L382-2(lines 200 479) no Hoare annotation was computed. [2018-11-22 22:20:39,152 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 285) no Hoare annotation was computed. [2018-11-22 22:20:39,152 INFO L448 ceAbstractionStarter]: For program point L283-2(lines 281 289) no Hoare annotation was computed. [2018-11-22 22:20:39,152 INFO L448 ceAbstractionStarter]: For program point L184(lines 184 486) no Hoare annotation was computed. [2018-11-22 22:20:39,152 INFO L448 ceAbstractionStarter]: For program point L151(lines 151 497) no Hoare annotation was computed. [2018-11-22 22:20:39,152 INFO L448 ceAbstractionStarter]: For program point L118(lines 118 508) no Hoare annotation was computed. [2018-11-22 22:20:39,152 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 531) no Hoare annotation was computed. [2018-11-22 22:20:39,152 INFO L444 ceAbstractionStarter]: At program point L185(lines 181 487) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~s__state~0 4560)) (.cse1 (<= 4464 ssl3_connect_~s__state~0))) (or (< |ssl3_connect_#in~initial_state| 12292) (and (= ssl3_connect_~s__hit~0 0) .cse0 .cse1) (and (<= ssl3_connect_~blastFlag~0 2) .cse0 .cse1))) [2018-11-22 22:20:39,152 INFO L444 ceAbstractionStarter]: At program point L119(lines 115 509) the Hoare annotation is: (let ((.cse2 (<= ssl3_connect_~blastFlag~0 0)) (.cse0 (<= 4352 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560))) (or (and .cse0 (<= ssl3_connect_~blastFlag~0 4) (= ssl3_connect_~s__hit~0 0) .cse1) (< |ssl3_connect_#in~initial_state| 12292) (and .cse2 (= ssl3_connect_~s__state~0 4368)) (and (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse2 .cse0 .cse1))) [2018-11-22 22:20:39,152 INFO L448 ceAbstractionStarter]: For program point L86(lines 86 88) no Hoare annotation was computed. [2018-11-22 22:20:39,152 INFO L448 ceAbstractionStarter]: For program point L86-2(lines 83 89) no Hoare annotation was computed. [2018-11-22 22:20:39,152 INFO L448 ceAbstractionStarter]: For program point L516(lines 516 530) no Hoare annotation was computed. [2018-11-22 22:20:39,152 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 353) no Hoare annotation was computed. [2018-11-22 22:20:39,152 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 522) no Hoare annotation was computed. [2018-11-22 22:20:39,153 INFO L448 ceAbstractionStarter]: For program point L517-2(lines 516 530) no Hoare annotation was computed. [2018-11-22 22:20:39,153 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 485) no Hoare annotation was computed. [2018-11-22 22:20:39,153 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 496) no Hoare annotation was computed. [2018-11-22 22:20:39,153 INFO L448 ceAbstractionStarter]: For program point L121(lines 121 507) no Hoare annotation was computed. [2018-11-22 22:20:39,153 INFO L448 ceAbstractionStarter]: For program point $Ultimate##85(lines 200 481) no Hoare annotation was computed. [2018-11-22 22:20:39,153 INFO L448 ceAbstractionStarter]: For program point $Ultimate##84(lines 200 481) no Hoare annotation was computed. [2018-11-22 22:20:39,153 INFO L448 ceAbstractionStarter]: For program point L221(lines 221 232) no Hoare annotation was computed. [2018-11-22 22:20:39,153 INFO L448 ceAbstractionStarter]: For program point L221-2(lines 200 479) no Hoare annotation was computed. [2018-11-22 22:20:39,153 INFO L448 ceAbstractionStarter]: For program point L519(lines 519 521) no Hoare annotation was computed. [2018-11-22 22:20:39,153 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 360) no Hoare annotation was computed. [2018-11-22 22:20:39,153 INFO L448 ceAbstractionStarter]: For program point L355-2(lines 355 360) no Hoare annotation was computed. [2018-11-22 22:20:39,153 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 226) no Hoare annotation was computed. [2018-11-22 22:20:39,153 INFO L448 ceAbstractionStarter]: For program point L190(lines 190 484) no Hoare annotation was computed. [2018-11-22 22:20:39,153 INFO L448 ceAbstractionStarter]: For program point L157(lines 157 495) no Hoare annotation was computed. [2018-11-22 22:20:39,153 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 506) no Hoare annotation was computed. [2018-11-22 22:20:39,153 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 95) no Hoare annotation was computed. [2018-11-22 22:20:39,154 INFO L448 ceAbstractionStarter]: For program point ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION(line 543) no Hoare annotation was computed. [2018-11-22 22:20:39,154 INFO L448 ceAbstractionStarter]: For program point L455-1(lines 455 457) no Hoare annotation was computed. [2018-11-22 22:20:39,154 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 259) no Hoare annotation was computed. [2018-11-22 22:20:39,154 INFO L444 ceAbstractionStarter]: At program point L191(lines 187 485) the Hoare annotation is: (let ((.cse1 (= ssl3_connect_~s__hit~0 0)) (.cse0 (<= 4560 ssl3_connect_~s__state~0)) (.cse2 (<= ssl3_connect_~s__state~0 4560))) (or (< |ssl3_connect_#in~initial_state| 12292) (and .cse0 (<= ssl3_connect_~blastFlag~0 4) .cse1) (and (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse0 .cse1 .cse2) (and (<= ssl3_connect_~blastFlag~0 2) .cse0 .cse2))) [2018-11-22 22:20:39,154 INFO L444 ceAbstractionStarter]: At program point L125(lines 121 507) the Hoare annotation is: (let ((.cse0 (<= 4352 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560))) (or (and .cse0 (<= ssl3_connect_~blastFlag~0 4) (= ssl3_connect_~s__hit~0 0) .cse1) (< |ssl3_connect_#in~initial_state| 12292) (and (<= ssl3_connect_~blastFlag~0 2) .cse0 .cse1))) [2018-11-22 22:20:39,154 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 94) no Hoare annotation was computed. [2018-11-22 22:20:39,154 INFO L448 ceAbstractionStarter]: For program point ssl3_connectEXIT(lines 11 546) no Hoare annotation was computed. [2018-11-22 22:20:39,154 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 326) no Hoare annotation was computed. [2018-11-22 22:20:39,154 INFO L448 ceAbstractionStarter]: For program point L324-2(lines 200 479) no Hoare annotation was computed. [2018-11-22 22:20:39,154 INFO L448 ceAbstractionStarter]: For program point ssl3_connectFINAL(lines 11 546) no Hoare annotation was computed. [2018-11-22 22:20:39,154 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 394) no Hoare annotation was computed. [2018-11-22 22:20:39,154 INFO L448 ceAbstractionStarter]: For program point L193(lines 193 483) no Hoare annotation was computed. [2018-11-22 22:20:39,155 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 494) no Hoare annotation was computed. [2018-11-22 22:20:39,155 INFO L448 ceAbstractionStarter]: For program point L127(lines 127 505) no Hoare annotation was computed. [2018-11-22 22:20:39,155 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 528) no Hoare annotation was computed. [2018-11-22 22:20:39,155 INFO L448 ceAbstractionStarter]: For program point L227(lines 227 230) no Hoare annotation was computed. [2018-11-22 22:20:39,155 INFO L444 ceAbstractionStarter]: At program point L194(lines 193 483) the Hoare annotation is: (let ((.cse2 (= ssl3_connect_~s__hit~0 0)) (.cse0 (<= ssl3_connect_~s__state~0 4352)) (.cse1 (<= 4352 ssl3_connect_~s__state~0))) (or (< |ssl3_connect_#in~initial_state| 12292) (and .cse0 .cse1 (<= ssl3_connect_~blastFlag~0 4) .cse2) (and (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse0 .cse1 .cse2 (<= 4560 ssl3_connect_~s__s3__tmp__next_state___0~0)) (and (<= ssl3_connect_~blastFlag~0 2) (<= ssl3_connect_~s__s3__tmp__next_state___0~0 3) .cse0 .cse1))) [2018-11-22 22:20:39,155 INFO L444 ceAbstractionStarter]: At program point L161(lines 151 497) the Hoare annotation is: (or (< |ssl3_connect_#in~initial_state| 12292) (and (<= ssl3_connect_~s__state~0 4560) (= ssl3_connect_~s__hit~0 0) (<= 4464 ssl3_connect_~s__state~0))) [2018-11-22 22:20:39,155 INFO L448 ceAbstractionStarter]: For program point L426(lines 426 428) no Hoare annotation was computed. [2018-11-22 22:20:39,155 INFO L448 ceAbstractionStarter]: For program point L196(lines 196 482) no Hoare annotation was computed. [2018-11-22 22:20:39,155 INFO L448 ceAbstractionStarter]: For program point L163(lines 163 493) no Hoare annotation was computed. [2018-11-22 22:20:39,155 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 504) no Hoare annotation was computed. [2018-11-22 22:20:39,155 INFO L448 ceAbstractionStarter]: For program point L97-1(lines 75 545) no Hoare annotation was computed. [2018-11-22 22:20:39,155 INFO L448 ceAbstractionStarter]: For program point L461(lines 461 463) no Hoare annotation was computed. [2018-11-22 22:20:39,155 INFO L448 ceAbstractionStarter]: For program point L461-2(lines 461 463) no Hoare annotation was computed. [2018-11-22 22:20:39,155 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 298) no Hoare annotation was computed. [2018-11-22 22:20:39,156 INFO L448 ceAbstractionStarter]: For program point L296-2(lines 200 479) no Hoare annotation was computed. [2018-11-22 22:20:39,156 INFO L451 ceAbstractionStarter]: At program point L197(lines 196 482) the Hoare annotation is: true [2018-11-22 22:20:39,156 INFO L444 ceAbstractionStarter]: At program point L131(lines 127 505) the Hoare annotation is: (or (and (<= 4352 ssl3_connect_~s__state~0) (<= ssl3_connect_~blastFlag~0 4) (= ssl3_connect_~s__hit~0 0) (<= ssl3_connect_~s__state~0 4560)) (< |ssl3_connect_#in~initial_state| 12292)) [2018-11-22 22:20:39,156 INFO L448 ceAbstractionStarter]: For program point L98(line 98) no Hoare annotation was computed. [2018-11-22 22:20:39,156 INFO L448 ceAbstractionStarter]: For program point L429(lines 429 433) no Hoare annotation was computed. [2018-11-22 22:20:39,156 INFO L448 ceAbstractionStarter]: For program point L429-2(lines 429 433) no Hoare annotation was computed. [2018-11-22 22:20:39,156 INFO L448 ceAbstractionStarter]: For program point L330(lines 330 334) no Hoare annotation was computed. [2018-11-22 22:20:39,156 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 266) no Hoare annotation was computed. [2018-11-22 22:20:39,156 INFO L448 ceAbstractionStarter]: For program point L330-2(lines 330 334) no Hoare annotation was computed. [2018-11-22 22:20:39,156 INFO L448 ceAbstractionStarter]: For program point L264-2(lines 200 479) no Hoare annotation was computed. [2018-11-22 22:20:39,156 INFO L451 ceAbstractionStarter]: At program point L199(lines 198 482) the Hoare annotation is: true [2018-11-22 22:20:39,156 INFO L448 ceAbstractionStarter]: For program point L166(lines 166 492) no Hoare annotation was computed. [2018-11-22 22:20:39,156 INFO L448 ceAbstractionStarter]: For program point L133(lines 133 503) no Hoare annotation was computed. [2018-11-22 22:20:39,156 INFO L448 ceAbstractionStarter]: For program point L100(lines 100 514) no Hoare annotation was computed. [2018-11-22 22:20:39,156 INFO L444 ceAbstractionStarter]: At program point L167(lines 163 493) the Hoare annotation is: (or (< |ssl3_connect_#in~initial_state| 12292) (and (= ssl3_connect_~s__hit~0 0) (<= ssl3_connect_~s__state~0 4560) (<= 4464 ssl3_connect_~s__state~0))) [2018-11-22 22:20:39,157 INFO L444 ceAbstractionStarter]: At program point L101(lines 100 514) the Hoare annotation is: (let ((.cse0 (<= 12292 ssl3_connect_~s__state~0))) (or (< |ssl3_connect_#in~initial_state| 12292) (and (<= ssl3_connect_~blastFlag~0 0) .cse0) (and .cse0 (<= ssl3_connect_~blastFlag~0 4) (= ssl3_connect_~s__hit~0 0)))) [2018-11-22 22:20:39,157 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-22 22:20:39,157 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-22 22:20:39,157 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-22 22:20:39,157 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-22 22:20:39,157 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 547 557) the Hoare annotation is: true [2018-11-22 22:20:39,157 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 547 557) no Hoare annotation was computed. [2018-11-22 22:20:39,157 INFO L451 ceAbstractionStarter]: At program point L553(line 553) the Hoare annotation is: true [2018-11-22 22:20:39,157 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 547 557) no Hoare annotation was computed. [2018-11-22 22:20:39,157 INFO L448 ceAbstractionStarter]: For program point L553-1(line 553) no Hoare annotation was computed. [2018-11-22 22:20:39,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 10:20:39 BoogieIcfgContainer [2018-11-22 22:20:39,176 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 22:20:39,176 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 22:20:39,176 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 22:20:39,176 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 22:20:39,176 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:20:30" (3/4) ... [2018-11-22 22:20:39,180 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 22:20:39,185 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-22 22:20:39,185 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ssl3_connect [2018-11-22 22:20:39,186 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-22 22:20:39,193 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-11-22 22:20:39,194 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-22 22:20:39,194 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 22:20:39,220 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(initial_state) < 12292 || (blastFlag <= 0 && 12292 <= s__state)) || ((12292 <= s__state && blastFlag <= 4) && s__hit == 0) [2018-11-22 22:20:39,220 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(initial_state) < 12292 || blastFlag <= 0) || (blastFlag <= 4 && s__hit == 0) [2018-11-22 22:20:39,220 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((4352 <= s__state && blastFlag <= 4) && s__hit == 0) && s__state <= 4560) || \old(initial_state) < 12292) || (blastFlag <= 0 && s__state == 4368)) || (((s__s3__tmp__next_state___0 <= 4560 && blastFlag <= 0) && 4352 <= s__state) && s__state <= 4560) [2018-11-22 22:20:39,220 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((4352 <= s__state && blastFlag <= 4) && s__hit == 0) && s__state <= 4560) || \old(initial_state) < 12292) || ((blastFlag <= 2 && 4352 <= s__state) && s__state <= 4560) [2018-11-22 22:20:39,221 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((4352 <= s__state && blastFlag <= 4) && s__hit == 0) && s__state <= 4560) || \old(initial_state) < 12292 [2018-11-22 22:20:39,221 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((4352 <= s__state && blastFlag <= 4) && s__hit == 0) && s__state <= 4560) || \old(initial_state) < 12292 [2018-11-22 22:20:39,221 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((blastFlag <= 2 && s__state == 4528) || (s__hit == 0 && s__state == 4480)) || (s__state == 4496 && s__hit == 0)) || (((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 3) && s__state <= 4352) && 4352 <= s__state)) || (blastFlag <= 2 && s__state == 4384)) || (s__state == 4512 && s__hit == 0)) || (s__state == 4464 && s__hit == 0)) || \old(initial_state) < 12292) || ((((s__s3__tmp__next_state___0 <= 4560 && s__state <= 4352) && 4352 <= s__state) && s__hit == 0) && 4560 <= s__s3__tmp__next_state___0)) || ((((s__s3__tmp__next_state___0 <= 4560 && 4560 <= s__state) && s__hit == 0) && s__state <= 4560) && 4560 <= s__s3__tmp__next_state___0)) || (blastFlag <= 0 && s__state == 4368)) || ((blastFlag <= 2 && 4560 <= s__state) && s__state <= 4560)) || (s__state <= 3 && s__s3__tmp__next_state___0 <= 4560)) || (blastFlag <= 2 && s__state == 4512)) || (s__state == 4528 && s__hit == 0)) || (blastFlag <= 4 && s__hit == 0) [2018-11-22 22:20:39,221 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((4352 <= s__state && blastFlag <= 4) && s__hit == 0) && s__state <= 4560) || \old(initial_state) < 12292 [2018-11-22 22:20:39,221 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((4352 <= s__state && blastFlag <= 4) && s__hit == 0) && s__state <= 4560) || \old(initial_state) < 12292) || (((s__s3__tmp__next_state___0 <= 4560 && 4352 <= s__state) && s__hit == 0) && s__state <= 4560) [2018-11-22 22:20:39,222 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(initial_state) < 12292 [2018-11-22 22:20:39,222 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(initial_state) < 12292 || ((s__state <= 4560 && s__hit == 0) && 4464 <= s__state) [2018-11-22 22:20:39,222 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(initial_state) < 12292 || ((s__hit == 0 && s__state <= 4560) && 4464 <= s__state) [2018-11-22 22:20:39,222 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(initial_state) < 12292 || ((s__hit == 0 && s__state <= 4560) && 4464 <= s__state) [2018-11-22 22:20:39,222 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(initial_state) < 12292 || ((s__hit == 0 && s__state <= 4560) && 4464 <= s__state)) || ((blastFlag <= 2 && s__state <= 4560) && 4464 <= s__state) [2018-11-22 22:20:39,223 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(initial_state) < 12292 || ((s__hit == 0 && s__state <= 4560) && 4464 <= s__state)) || ((blastFlag <= 2 && s__state <= 4560) && 4464 <= s__state) [2018-11-22 22:20:39,223 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(initial_state) < 12292 || ((4560 <= s__state && blastFlag <= 4) && s__hit == 0)) || (((s__s3__tmp__next_state___0 <= 4560 && 4560 <= s__state) && s__hit == 0) && s__state <= 4560)) || ((blastFlag <= 2 && 4560 <= s__state) && s__state <= 4560) [2018-11-22 22:20:39,223 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(initial_state) < 12292 || (((s__state <= 4352 && 4352 <= s__state) && blastFlag <= 4) && s__hit == 0)) || ((((s__s3__tmp__next_state___0 <= 4560 && s__state <= 4352) && 4352 <= s__state) && s__hit == 0) && 4560 <= s__s3__tmp__next_state___0)) || (((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 3) && s__state <= 4352) && 4352 <= s__state) [2018-11-22 22:20:39,270 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a632fe41-1d9b-4710-a2f2-c9d77c5411b4/bin-2019/uautomizer/witness.graphml [2018-11-22 22:20:39,270 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 22:20:39,271 INFO L168 Benchmark]: Toolchain (without parser) took 9414.65 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 673.2 MB). Free memory was 959.3 MB in the beginning and 1.6 GB in the end (delta: -644.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. [2018-11-22 22:20:39,272 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:20:39,272 INFO L168 Benchmark]: CACSL2BoogieTranslator took 234.49 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 940.3 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. [2018-11-22 22:20:39,272 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -190.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2018-11-22 22:20:39,272 INFO L168 Benchmark]: Boogie Preprocessor took 30.31 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. [2018-11-22 22:20:39,273 INFO L168 Benchmark]: RCFGBuilder took 439.30 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: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. [2018-11-22 22:20:39,273 INFO L168 Benchmark]: TraceAbstraction took 8557.48 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 540.0 MB). Free memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: -538.7 MB). Peak memory consumption was 807.5 MB. Max. memory is 11.5 GB. [2018-11-22 22:20:39,273 INFO L168 Benchmark]: Witness Printer took 94.66 ms. Allocated memory is still 1.7 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. [2018-11-22 22:20:39,275 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 234.49 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 940.3 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -190.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.31 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. * RCFGBuilder took 439.30 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: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8557.48 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 540.0 MB). Free memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: -538.7 MB). Peak memory consumption was 807.5 MB. Max. memory is 11.5 GB. * Witness Printer took 94.66 ms. Allocated memory is still 1.7 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 543]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: \old(initial_state) < 12292 || ((s__state <= 4560 && s__hit == 0) && 4464 <= s__state) - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: (((((4352 <= s__state && blastFlag <= 4) && s__hit == 0) && s__state <= 4560) || \old(initial_state) < 12292) || (blastFlag <= 0 && s__state == 4368)) || (((s__s3__tmp__next_state___0 <= 4560 && blastFlag <= 0) && 4352 <= s__state) && s__state <= 4560) - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: (((((((((((((((blastFlag <= 2 && s__state == 4528) || (s__hit == 0 && s__state == 4480)) || (s__state == 4496 && s__hit == 0)) || (((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 3) && s__state <= 4352) && 4352 <= s__state)) || (blastFlag <= 2 && s__state == 4384)) || (s__state == 4512 && s__hit == 0)) || (s__state == 4464 && s__hit == 0)) || \old(initial_state) < 12292) || ((((s__s3__tmp__next_state___0 <= 4560 && s__state <= 4352) && 4352 <= s__state) && s__hit == 0) && 4560 <= s__s3__tmp__next_state___0)) || ((((s__s3__tmp__next_state___0 <= 4560 && 4560 <= s__state) && s__hit == 0) && s__state <= 4560) && 4560 <= s__s3__tmp__next_state___0)) || (blastFlag <= 0 && s__state == 4368)) || ((blastFlag <= 2 && 4560 <= s__state) && s__state <= 4560)) || (s__state <= 3 && s__s3__tmp__next_state___0 <= 4560)) || (blastFlag <= 2 && s__state == 4512)) || (s__state == 4528 && s__hit == 0)) || (blastFlag <= 4 && s__hit == 0) - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: ((((4352 <= s__state && blastFlag <= 4) && s__hit == 0) && s__state <= 4560) || \old(initial_state) < 12292) || (((s__s3__tmp__next_state___0 <= 4560 && 4352 <= s__state) && s__hit == 0) && s__state <= 4560) - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: \old(initial_state) < 12292 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: (\old(initial_state) < 12292 || ((s__hit == 0 && s__state <= 4560) && 4464 <= s__state)) || ((blastFlag <= 2 && s__state <= 4560) && 4464 <= s__state) - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: (((4352 <= s__state && blastFlag <= 4) && s__hit == 0) && s__state <= 4560) || \old(initial_state) < 12292 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: (\old(initial_state) < 12292 || blastFlag <= 0) || (blastFlag <= 4 && s__hit == 0) - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: \old(initial_state) < 12292 || ((s__hit == 0 && s__state <= 4560) && 4464 <= s__state) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (((4352 <= s__state && blastFlag <= 4) && s__hit == 0) && s__state <= 4560) || \old(initial_state) < 12292 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: ((\old(initial_state) < 12292 || (((s__state <= 4352 && 4352 <= s__state) && blastFlag <= 4) && s__hit == 0)) || ((((s__s3__tmp__next_state___0 <= 4560 && s__state <= 4352) && 4352 <= s__state) && s__hit == 0) && 4560 <= s__s3__tmp__next_state___0)) || (((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 3) && s__state <= 4352) && 4352 <= s__state) - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: \old(initial_state) < 12292 || ((s__hit == 0 && s__state <= 4560) && 4464 <= s__state) - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: (\old(initial_state) < 12292 || (blastFlag <= 0 && 12292 <= s__state)) || ((12292 <= s__state && blastFlag <= 4) && s__hit == 0) - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: ((\old(initial_state) < 12292 || ((4560 <= s__state && blastFlag <= 4) && s__hit == 0)) || (((s__s3__tmp__next_state___0 <= 4560 && 4560 <= s__state) && s__hit == 0) && s__state <= 4560)) || ((blastFlag <= 2 && 4560 <= s__state) && s__state <= 4560) - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: (((4352 <= s__state && blastFlag <= 4) && s__hit == 0) && s__state <= 4560) || \old(initial_state) < 12292 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: (\old(initial_state) < 12292 || ((s__hit == 0 && s__state <= 4560) && 4464 <= s__state)) || ((blastFlag <= 2 && s__state <= 4560) && 4464 <= s__state) - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: ((((4352 <= s__state && blastFlag <= 4) && s__hit == 0) && s__state <= 4560) || \old(initial_state) < 12292) || ((blastFlag <= 2 && 4352 <= s__state) && s__state <= 4560) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 137 locations, 1 error locations. SAFE Result, 8.5s OverallTime, 23 OverallIterations, 18 TraceHistogramMax, 3.5s AutomataDifference, 0.0s DeadEndRemovalTime, 1.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 4657 SDtfs, 1854 SDslu, 2919 SDs, 0 SdLazy, 2715 SolverSat, 460 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1125 GetRequests, 1088 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9674occurred in iteration=21, 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: 1.2s AutomataMinimizationTime, 23 MinimizatonAttempts, 4400 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 341 NumberOfFragments, 518 HoareAnnotationTreeSize, 26 FomulaSimplifications, 21934 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 26 FomulaSimplificationsInter, 909 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 5339 NumberOfCodeBlocks, 5339 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 5313 ConstructedInterpolants, 0 QuantifiedInterpolants, 1856425 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1970 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 26 InterpolantComputations, 22 PerfectInterpolantSequences, 15819/15870 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...