./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/ssh-simplified/s3_clnt_3_true-unreach-call_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5d3dab94-fbec-45d7-8739-b9bd45ec6d83/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5d3dab94-fbec-45d7-8739-b9bd45ec6d83/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5d3dab94-fbec-45d7-8739-b9bd45ec6d83/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5d3dab94-fbec-45d7-8739-b9bd45ec6d83/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ssh-simplified/s3_clnt_3_true-unreach-call_true-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5d3dab94-fbec-45d7-8739-b9bd45ec6d83/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5d3dab94-fbec-45d7-8739-b9bd45ec6d83/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 429b7772bb057004ca0c11ab7cd7751d4a0d846f ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:30:02,245 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:30:02,246 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:30:02,255 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:30:02,255 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:30:02,256 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:30:02,257 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:30:02,258 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:30:02,260 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:30:02,260 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:30:02,261 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:30:02,261 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:30:02,262 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:30:02,262 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:30:02,263 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:30:02,264 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:30:02,264 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:30:02,266 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:30:02,267 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:30:02,268 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:30:02,270 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:30:02,270 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:30:02,272 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:30:02,273 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:30:02,273 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:30:02,273 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:30:02,275 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:30:02,275 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:30:02,276 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:30:02,277 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:30:02,277 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:30:02,277 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:30:02,278 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:30:02,278 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:30:02,278 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:30:02,279 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:30:02,279 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5d3dab94-fbec-45d7-8739-b9bd45ec6d83/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 12:30:02,289 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:30:02,289 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:30:02,290 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:30:02,290 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 12:30:02,290 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:30:02,291 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:30:02,291 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 12:30:02,291 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:30:02,291 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:30:02,291 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:30:02,291 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:30:02,291 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:30:02,292 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:30:02,292 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:30:02,292 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:30:02,292 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:30:02,292 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:30:02,292 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:30:02,292 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:30:02,293 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:30:02,293 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:30:02,293 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:30:02,293 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:30:02,293 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:30:02,293 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:30:02,294 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:30:02,294 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:30:02,294 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 12:30:02,294 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:30:02,294 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:30:02,294 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_5d3dab94-fbec-45d7-8739-b9bd45ec6d83/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 -> 429b7772bb057004ca0c11ab7cd7751d4a0d846f [2018-11-18 12:30:02,317 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:30:02,325 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:30:02,327 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:30:02,328 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:30:02,328 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:30:02,328 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5d3dab94-fbec-45d7-8739-b9bd45ec6d83/bin-2019/uautomizer/../../sv-benchmarks/c/ssh-simplified/s3_clnt_3_true-unreach-call_true-termination.cil.c [2018-11-18 12:30:02,364 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5d3dab94-fbec-45d7-8739-b9bd45ec6d83/bin-2019/uautomizer/data/071a7b4c0/1bb2386a4dc842e5923c00074e64d1b8/FLAG48dd3486b [2018-11-18 12:30:02,795 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:30:02,795 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5d3dab94-fbec-45d7-8739-b9bd45ec6d83/sv-benchmarks/c/ssh-simplified/s3_clnt_3_true-unreach-call_true-termination.cil.c [2018-11-18 12:30:02,801 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5d3dab94-fbec-45d7-8739-b9bd45ec6d83/bin-2019/uautomizer/data/071a7b4c0/1bb2386a4dc842e5923c00074e64d1b8/FLAG48dd3486b [2018-11-18 12:30:02,809 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5d3dab94-fbec-45d7-8739-b9bd45ec6d83/bin-2019/uautomizer/data/071a7b4c0/1bb2386a4dc842e5923c00074e64d1b8 [2018-11-18 12:30:02,811 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:30:02,812 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 12:30:02,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:30:02,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:30:02,815 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:30:02,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:30:02" (1/1) ... [2018-11-18 12:30:02,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bf57369 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:30:02, skipping insertion in model container [2018-11-18 12:30:02,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:30:02" (1/1) ... [2018-11-18 12:30:02,826 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:30:02,855 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:30:03,002 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:30:03,004 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:30:03,037 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:30:03,045 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:30:03,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:30:03 WrapperNode [2018-11-18 12:30:03,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:30:03,045 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:30:03,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:30:03,046 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:30:03,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:30:03" (1/1) ... [2018-11-18 12:30:03,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:30:03" (1/1) ... [2018-11-18 12:30:03,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:30:03" (1/1) ... [2018-11-18 12:30:03,097 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:30:03" (1/1) ... [2018-11-18 12:30:03,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:30:03" (1/1) ... [2018-11-18 12:30:03,114 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:30:03" (1/1) ... [2018-11-18 12:30:03,115 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:30:03" (1/1) ... [2018-11-18 12:30:03,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:30:03,117 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:30:03,117 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:30:03,117 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:30:03,118 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:30:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5d3dab94-fbec-45d7-8739-b9bd45ec6d83/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 [2018-11-18 12:30:03,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:30:03,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:30:03,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2018-11-18 12:30:03,149 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:30:03,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 12:30:03,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2018-11-18 12:30:03,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 12:30:03,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2018-11-18 12:30:03,150 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-11-18 12:30:03,150 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2018-11-18 12:30:03,150 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:30:03,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:30:03,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:30:03,235 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 12:30:03,236 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 12:30:03,555 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:30:03,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:30:03 BoogieIcfgContainer [2018-11-18 12:30:03,556 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:30:03,557 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:30:03,557 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:30:03,558 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:30:03,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:30:02" (1/3) ... [2018-11-18 12:30:03,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51469b18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:30:03, skipping insertion in model container [2018-11-18 12:30:03,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:30:03" (2/3) ... [2018-11-18 12:30:03,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51469b18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:30:03, skipping insertion in model container [2018-11-18 12:30:03,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:30:03" (3/3) ... [2018-11-18 12:30:03,560 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_clnt_3_true-unreach-call_true-termination.cil.c [2018-11-18 12:30:03,566 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:30:03,570 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:30:03,579 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:30:03,598 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 12:30:03,598 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:30:03,599 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:30:03,599 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:30:03,599 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:30:03,599 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:30:03,599 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:30:03,599 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:30:03,599 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:30:03,613 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2018-11-18 12:30:03,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 12:30:03,618 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:30:03,619 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:30:03,621 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:30:03,624 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:30:03,624 INFO L82 PathProgramCache]: Analyzing trace with hash 171574540, now seen corresponding path program 1 times [2018-11-18 12:30:03,625 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:30:03,625 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:30:03,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:03,654 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:30:03,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:03,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:30:03,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:30:03,763 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:30:03,763 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:30:03,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:30:03,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:30:03,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:30:03,780 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 3 states. [2018-11-18 12:30:03,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:30:03,868 INFO L93 Difference]: Finished difference Result 380 states and 637 transitions. [2018-11-18 12:30:03,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:30:03,869 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-11-18 12:30:03,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:30:03,878 INFO L225 Difference]: With dead ends: 380 [2018-11-18 12:30:03,878 INFO L226 Difference]: Without dead ends: 222 [2018-11-18 12:30:03,881 INFO L604 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 [2018-11-18 12:30:03,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2018-11-18 12:30:03,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2018-11-18 12:30:03,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2018-11-18 12:30:03,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 328 transitions. [2018-11-18 12:30:03,923 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 328 transitions. Word has length 30 [2018-11-18 12:30:03,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:30:03,923 INFO L480 AbstractCegarLoop]: Abstraction has 222 states and 328 transitions. [2018-11-18 12:30:03,923 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:30:03,923 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 328 transitions. [2018-11-18 12:30:03,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 12:30:03,924 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:30:03,924 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:30:03,925 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:30:03,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:30:03,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1775768565, now seen corresponding path program 1 times [2018-11-18 12:30:03,925 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:30:03,925 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:30:03,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:03,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:30:03,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:30:03,985 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:30:03,986 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:30:03,986 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:30:03,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:30:03,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:30:03,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:30:03,988 INFO L87 Difference]: Start difference. First operand 222 states and 328 transitions. Second operand 3 states. [2018-11-18 12:30:04,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:30:04,119 INFO L93 Difference]: Finished difference Result 478 states and 716 transitions. [2018-11-18 12:30:04,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:30:04,119 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2018-11-18 12:30:04,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:30:04,121 INFO L225 Difference]: With dead ends: 478 [2018-11-18 12:30:04,121 INFO L226 Difference]: Without dead ends: 268 [2018-11-18 12:30:04,122 INFO L604 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 [2018-11-18 12:30:04,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2018-11-18 12:30:04,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 258. [2018-11-18 12:30:04,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2018-11-18 12:30:04,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 374 transitions. [2018-11-18 12:30:04,138 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 374 transitions. Word has length 45 [2018-11-18 12:30:04,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:30:04,138 INFO L480 AbstractCegarLoop]: Abstraction has 258 states and 374 transitions. [2018-11-18 12:30:04,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:30:04,139 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 374 transitions. [2018-11-18 12:30:04,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 12:30:04,140 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:30:04,141 INFO L375 BasicCegarLoop]: trace histogram [3, 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] [2018-11-18 12:30:04,141 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:30:04,141 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:30:04,141 INFO L82 PathProgramCache]: Analyzing trace with hash -196010889, now seen corresponding path program 1 times [2018-11-18 12:30:04,141 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:30:04,141 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:30:04,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:04,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:30:04,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:04,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:30:04,201 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:30:04,201 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:30:04,202 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:30:04,202 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:30:04,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:30:04,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:30:04,203 INFO L87 Difference]: Start difference. First operand 258 states and 374 transitions. Second operand 3 states. [2018-11-18 12:30:04,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:30:04,337 INFO L93 Difference]: Finished difference Result 608 states and 912 transitions. [2018-11-18 12:30:04,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:30:04,338 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2018-11-18 12:30:04,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:30:04,340 INFO L225 Difference]: With dead ends: 608 [2018-11-18 12:30:04,340 INFO L226 Difference]: Without dead ends: 360 [2018-11-18 12:30:04,342 INFO L604 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 [2018-11-18 12:30:04,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2018-11-18 12:30:04,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 342. [2018-11-18 12:30:04,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2018-11-18 12:30:04,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 476 transitions. [2018-11-18 12:30:04,358 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 476 transitions. Word has length 63 [2018-11-18 12:30:04,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:30:04,359 INFO L480 AbstractCegarLoop]: Abstraction has 342 states and 476 transitions. [2018-11-18 12:30:04,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:30:04,359 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 476 transitions. [2018-11-18 12:30:04,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 12:30:04,361 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:30:04,361 INFO L375 BasicCegarLoop]: trace histogram [3, 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] [2018-11-18 12:30:04,361 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:30:04,362 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:30:04,362 INFO L82 PathProgramCache]: Analyzing trace with hash -330024395, now seen corresponding path program 1 times [2018-11-18 12:30:04,362 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:30:04,362 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:30:04,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:04,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:30:04,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:04,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:30:04,416 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:30:04,416 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:30:04,417 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:30:04,417 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:30:04,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:30:04,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:30:04,417 INFO L87 Difference]: Start difference. First operand 342 states and 476 transitions. Second operand 3 states. [2018-11-18 12:30:04,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:30:04,510 INFO L93 Difference]: Finished difference Result 722 states and 1019 transitions. [2018-11-18 12:30:04,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:30:04,510 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2018-11-18 12:30:04,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:30:04,512 INFO L225 Difference]: With dead ends: 722 [2018-11-18 12:30:04,512 INFO L226 Difference]: Without dead ends: 392 [2018-11-18 12:30:04,514 INFO L604 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 [2018-11-18 12:30:04,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2018-11-18 12:30:04,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 382. [2018-11-18 12:30:04,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2018-11-18 12:30:04,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 526 transitions. [2018-11-18 12:30:04,526 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 526 transitions. Word has length 63 [2018-11-18 12:30:04,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:30:04,527 INFO L480 AbstractCegarLoop]: Abstraction has 382 states and 526 transitions. [2018-11-18 12:30:04,527 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:30:04,527 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 526 transitions. [2018-11-18 12:30:04,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-18 12:30:04,528 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:30:04,529 INFO L375 BasicCegarLoop]: trace histogram [4, 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] [2018-11-18 12:30:04,529 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:30:04,529 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:30:04,529 INFO L82 PathProgramCache]: Analyzing trace with hash 2107235932, now seen corresponding path program 1 times [2018-11-18 12:30:04,529 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:30:04,529 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:30:04,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:04,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:30:04,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:04,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:30:04,583 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:30:04,583 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:30:04,583 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:30:04,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:30:04,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:30:04,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:30:04,584 INFO L87 Difference]: Start difference. First operand 382 states and 526 transitions. Second operand 3 states. [2018-11-18 12:30:04,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:30:04,727 INFO L93 Difference]: Finished difference Result 860 states and 1222 transitions. [2018-11-18 12:30:04,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:30:04,727 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2018-11-18 12:30:04,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:30:04,729 INFO L225 Difference]: With dead ends: 860 [2018-11-18 12:30:04,729 INFO L226 Difference]: Without dead ends: 488 [2018-11-18 12:30:04,730 INFO L604 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 [2018-11-18 12:30:04,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2018-11-18 12:30:04,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 462. [2018-11-18 12:30:04,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2018-11-18 12:30:04,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 662 transitions. [2018-11-18 12:30:04,745 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 662 transitions. Word has length 77 [2018-11-18 12:30:04,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:30:04,745 INFO L480 AbstractCegarLoop]: Abstraction has 462 states and 662 transitions. [2018-11-18 12:30:04,745 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:30:04,745 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 662 transitions. [2018-11-18 12:30:04,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-18 12:30:04,746 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:30:04,746 INFO L375 BasicCegarLoop]: trace histogram [4, 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, 1] [2018-11-18 12:30:04,747 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:30:04,747 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:30:04,747 INFO L82 PathProgramCache]: Analyzing trace with hash -402330157, now seen corresponding path program 1 times [2018-11-18 12:30:04,747 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:30:04,747 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:30:04,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:04,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:30:04,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:04,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:30:04,792 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-18 12:30:04,792 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:30:04,792 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:30:04,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:30:04,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:30:04,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:30:04,793 INFO L87 Difference]: Start difference. First operand 462 states and 662 transitions. Second operand 3 states. [2018-11-18 12:30:04,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:30:04,869 INFO L93 Difference]: Finished difference Result 962 states and 1387 transitions. [2018-11-18 12:30:04,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:30:04,874 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2018-11-18 12:30:04,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:30:04,875 INFO L225 Difference]: With dead ends: 962 [2018-11-18 12:30:04,875 INFO L226 Difference]: Without dead ends: 512 [2018-11-18 12:30:04,876 INFO L604 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 [2018-11-18 12:30:04,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2018-11-18 12:30:04,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 506. [2018-11-18 12:30:04,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 506 states. [2018-11-18 12:30:04,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 716 transitions. [2018-11-18 12:30:04,887 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 716 transitions. Word has length 81 [2018-11-18 12:30:04,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:30:04,887 INFO L480 AbstractCegarLoop]: Abstraction has 506 states and 716 transitions. [2018-11-18 12:30:04,888 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:30:04,888 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 716 transitions. [2018-11-18 12:30:04,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 12:30:04,889 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:30:04,889 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-11-18 12:30:04,890 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:30:04,890 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:30:04,890 INFO L82 PathProgramCache]: Analyzing trace with hash -199923553, now seen corresponding path program 1 times [2018-11-18 12:30:04,890 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:30:04,891 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:30:04,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:04,892 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:30:04,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:04,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:30:04,932 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-18 12:30:04,932 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:30:04,932 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:30:04,933 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:30:04,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:30:04,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:30:04,934 INFO L87 Difference]: Start difference. First operand 506 states and 716 transitions. Second operand 3 states. [2018-11-18 12:30:05,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:30:05,062 INFO L93 Difference]: Finished difference Result 1106 states and 1590 transitions. [2018-11-18 12:30:05,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:30:05,063 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2018-11-18 12:30:05,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:30:05,065 INFO L225 Difference]: With dead ends: 1106 [2018-11-18 12:30:05,065 INFO L226 Difference]: Without dead ends: 608 [2018-11-18 12:30:05,066 INFO L604 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 [2018-11-18 12:30:05,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2018-11-18 12:30:05,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 588. [2018-11-18 12:30:05,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 588 states. [2018-11-18 12:30:05,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 816 transitions. [2018-11-18 12:30:05,074 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 816 transitions. Word has length 102 [2018-11-18 12:30:05,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:30:05,074 INFO L480 AbstractCegarLoop]: Abstraction has 588 states and 816 transitions. [2018-11-18 12:30:05,074 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:30:05,074 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 816 transitions. [2018-11-18 12:30:05,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 12:30:05,075 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:30:05,075 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-11-18 12:30:05,075 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:30:05,075 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:30:05,076 INFO L82 PathProgramCache]: Analyzing trace with hash -333937059, now seen corresponding path program 1 times [2018-11-18 12:30:05,076 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:30:05,076 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:30:05,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:05,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:30:05,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:05,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:30:05,109 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:30:05,109 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:30:05,109 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:30:05,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:30:05,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:30:05,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:30:05,110 INFO L87 Difference]: Start difference. First operand 588 states and 816 transitions. Second operand 3 states. [2018-11-18 12:30:05,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:30:05,128 INFO L93 Difference]: Finished difference Result 1612 states and 2266 transitions. [2018-11-18 12:30:05,129 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:30:05,129 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2018-11-18 12:30:05,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:30:05,131 INFO L225 Difference]: With dead ends: 1612 [2018-11-18 12:30:05,131 INFO L226 Difference]: Without dead ends: 1036 [2018-11-18 12:30:05,132 INFO L604 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 [2018-11-18 12:30:05,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2018-11-18 12:30:05,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 1034. [2018-11-18 12:30:05,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1034 states. [2018-11-18 12:30:05,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1459 transitions. [2018-11-18 12:30:05,145 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1459 transitions. Word has length 102 [2018-11-18 12:30:05,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:30:05,145 INFO L480 AbstractCegarLoop]: Abstraction has 1034 states and 1459 transitions. [2018-11-18 12:30:05,145 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:30:05,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1459 transitions. [2018-11-18 12:30:05,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 12:30:05,147 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:30:05,147 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:30:05,147 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:30:05,147 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:30:05,147 INFO L82 PathProgramCache]: Analyzing trace with hash -2037876779, now seen corresponding path program 1 times [2018-11-18 12:30:05,147 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:30:05,147 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:30:05,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:05,148 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:30:05,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:05,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:30:05,172 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 12:30:05,173 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:30:05,173 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:30:05,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:30:05,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:30:05,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:30:05,173 INFO L87 Difference]: Start difference. First operand 1034 states and 1459 transitions. Second operand 3 states. [2018-11-18 12:30:05,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:30:05,213 INFO L93 Difference]: Finished difference Result 2056 states and 2912 transitions. [2018-11-18 12:30:05,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:30:05,214 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2018-11-18 12:30:05,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:30:05,217 INFO L225 Difference]: With dead ends: 2056 [2018-11-18 12:30:05,217 INFO L226 Difference]: Without dead ends: 1544 [2018-11-18 12:30:05,218 INFO L604 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 [2018-11-18 12:30:05,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1544 states. [2018-11-18 12:30:05,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1544 to 1544. [2018-11-18 12:30:05,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1544 states. [2018-11-18 12:30:05,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 1544 states and 2179 transitions. [2018-11-18 12:30:05,237 INFO L78 Accepts]: Start accepts. Automaton has 1544 states and 2179 transitions. Word has length 102 [2018-11-18 12:30:05,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:30:05,237 INFO L480 AbstractCegarLoop]: Abstraction has 1544 states and 2179 transitions. [2018-11-18 12:30:05,237 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:30:05,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1544 states and 2179 transitions. [2018-11-18 12:30:05,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 12:30:05,238 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:30:05,238 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:30:05,239 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:30:05,239 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:30:05,239 INFO L82 PathProgramCache]: Analyzing trace with hash 609264735, now seen corresponding path program 1 times [2018-11-18 12:30:05,239 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:30:05,239 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:30:05,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:05,240 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:30:05,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:30:05,276 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-18 12:30:05,277 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:30:05,277 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:30:05,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:30:05,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:30:05,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:30:05,277 INFO L87 Difference]: Start difference. First operand 1544 states and 2179 transitions. Second operand 3 states. [2018-11-18 12:30:05,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:30:05,319 INFO L93 Difference]: Finished difference Result 2056 states and 2906 transitions. [2018-11-18 12:30:05,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:30:05,320 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2018-11-18 12:30:05,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:30:05,323 INFO L225 Difference]: With dead ends: 2056 [2018-11-18 12:30:05,323 INFO L226 Difference]: Without dead ends: 2054 [2018-11-18 12:30:05,324 INFO L604 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 [2018-11-18 12:30:05,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2054 states. [2018-11-18 12:30:05,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2054 to 2054. [2018-11-18 12:30:05,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2054 states. [2018-11-18 12:30:05,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2054 states to 2054 states and 2903 transitions. [2018-11-18 12:30:05,350 INFO L78 Accepts]: Start accepts. Automaton has 2054 states and 2903 transitions. Word has length 104 [2018-11-18 12:30:05,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:30:05,351 INFO L480 AbstractCegarLoop]: Abstraction has 2054 states and 2903 transitions. [2018-11-18 12:30:05,351 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:30:05,351 INFO L276 IsEmpty]: Start isEmpty. Operand 2054 states and 2903 transitions. [2018-11-18 12:30:05,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-18 12:30:05,353 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:30:05,353 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:30:05,353 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:30:05,354 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:30:05,354 INFO L82 PathProgramCache]: Analyzing trace with hash 183144198, now seen corresponding path program 1 times [2018-11-18 12:30:05,354 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:30:05,354 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:30:05,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:05,355 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:30:05,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:05,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:30:05,396 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-18 12:30:05,396 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:30:05,396 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:30:05,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:30:05,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:30:05,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:30:05,397 INFO L87 Difference]: Start difference. First operand 2054 states and 2903 transitions. Second operand 3 states. [2018-11-18 12:30:05,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:30:05,505 INFO L93 Difference]: Finished difference Result 4504 states and 6470 transitions. [2018-11-18 12:30:05,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:30:05,506 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 162 [2018-11-18 12:30:05,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:30:05,510 INFO L225 Difference]: With dead ends: 4504 [2018-11-18 12:30:05,510 INFO L226 Difference]: Without dead ends: 2446 [2018-11-18 12:30:05,512 INFO L604 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 [2018-11-18 12:30:05,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2446 states. [2018-11-18 12:30:05,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2446 to 2334. [2018-11-18 12:30:05,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2334 states. [2018-11-18 12:30:05,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2334 states to 2334 states and 3319 transitions. [2018-11-18 12:30:05,543 INFO L78 Accepts]: Start accepts. Automaton has 2334 states and 3319 transitions. Word has length 162 [2018-11-18 12:30:05,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:30:05,543 INFO L480 AbstractCegarLoop]: Abstraction has 2334 states and 3319 transitions. [2018-11-18 12:30:05,543 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:30:05,543 INFO L276 IsEmpty]: Start isEmpty. Operand 2334 states and 3319 transitions. [2018-11-18 12:30:05,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-18 12:30:05,546 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:30:05,546 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 6, 6, 4, 4, 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] [2018-11-18 12:30:05,546 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:30:05,546 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:30:05,546 INFO L82 PathProgramCache]: Analyzing trace with hash 285272055, now seen corresponding path program 1 times [2018-11-18 12:30:05,546 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:30:05,546 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:30:05,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:05,547 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:30:05,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:05,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:30:05,591 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 338 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2018-11-18 12:30:05,592 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:30:05,592 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:30:05,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:30:05,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:30:05,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:30:05,592 INFO L87 Difference]: Start difference. First operand 2334 states and 3319 transitions. Second operand 3 states. [2018-11-18 12:30:05,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:30:05,696 INFO L93 Difference]: Finished difference Result 4874 states and 6889 transitions. [2018-11-18 12:30:05,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:30:05,697 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2018-11-18 12:30:05,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:30:05,701 INFO L225 Difference]: With dead ends: 4874 [2018-11-18 12:30:05,701 INFO L226 Difference]: Without dead ends: 2552 [2018-11-18 12:30:05,704 INFO L604 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 [2018-11-18 12:30:05,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2552 states. [2018-11-18 12:30:05,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2552 to 2526. [2018-11-18 12:30:05,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2526 states. [2018-11-18 12:30:05,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2526 states to 2526 states and 3551 transitions. [2018-11-18 12:30:05,747 INFO L78 Accepts]: Start accepts. Automaton has 2526 states and 3551 transitions. Word has length 199 [2018-11-18 12:30:05,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:30:05,747 INFO L480 AbstractCegarLoop]: Abstraction has 2526 states and 3551 transitions. [2018-11-18 12:30:05,747 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:30:05,747 INFO L276 IsEmpty]: Start isEmpty. Operand 2526 states and 3551 transitions. [2018-11-18 12:30:05,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-18 12:30:05,751 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:30:05,751 INFO L375 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 7, 7, 5, 5, 3, 3, 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] [2018-11-18 12:30:05,751 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:30:05,751 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:30:05,752 INFO L82 PathProgramCache]: Analyzing trace with hash 1787778247, now seen corresponding path program 1 times [2018-11-18 12:30:05,752 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:30:05,752 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:30:05,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:05,752 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:30:05,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:05,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:30:05,830 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 423 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-11-18 12:30:05,830 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:30:05,830 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:30:05,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:30:05,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:30:05,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:30:05,831 INFO L87 Difference]: Start difference. First operand 2526 states and 3551 transitions. Second operand 3 states. [2018-11-18 12:30:05,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:30:05,909 INFO L93 Difference]: Finished difference Result 5272 states and 7390 transitions. [2018-11-18 12:30:05,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:30:05,910 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 221 [2018-11-18 12:30:05,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:30:05,914 INFO L225 Difference]: With dead ends: 5272 [2018-11-18 12:30:05,914 INFO L226 Difference]: Without dead ends: 2758 [2018-11-18 12:30:05,917 INFO L604 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 [2018-11-18 12:30:05,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2758 states. [2018-11-18 12:30:05,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2758 to 2734. [2018-11-18 12:30:05,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2734 states. [2018-11-18 12:30:05,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2734 states to 2734 states and 3799 transitions. [2018-11-18 12:30:05,950 INFO L78 Accepts]: Start accepts. Automaton has 2734 states and 3799 transitions. Word has length 221 [2018-11-18 12:30:05,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:30:05,950 INFO L480 AbstractCegarLoop]: Abstraction has 2734 states and 3799 transitions. [2018-11-18 12:30:05,950 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:30:05,950 INFO L276 IsEmpty]: Start isEmpty. Operand 2734 states and 3799 transitions. [2018-11-18 12:30:05,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-18 12:30:05,953 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:30:05,953 INFO L375 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 8, 8, 6, 6, 4, 4, 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] [2018-11-18 12:30:05,953 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:30:05,954 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:30:05,954 INFO L82 PathProgramCache]: Analyzing trace with hash -1716166414, now seen corresponding path program 1 times [2018-11-18 12:30:05,954 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:30:05,954 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:30:05,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:05,955 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:30:05,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:30:06,011 INFO L134 CoverageAnalysis]: Checked inductivity of 789 backedges. 508 proven. 0 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2018-11-18 12:30:06,012 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:30:06,012 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:30:06,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:30:06,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:30:06,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:30:06,013 INFO L87 Difference]: Start difference. First operand 2734 states and 3799 transitions. Second operand 3 states. [2018-11-18 12:30:06,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:30:06,101 INFO L93 Difference]: Finished difference Result 5704 states and 7910 transitions. [2018-11-18 12:30:06,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:30:06,101 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 246 [2018-11-18 12:30:06,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:30:06,107 INFO L225 Difference]: With dead ends: 5704 [2018-11-18 12:30:06,107 INFO L226 Difference]: Without dead ends: 2982 [2018-11-18 12:30:06,109 INFO L604 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 [2018-11-18 12:30:06,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2982 states. [2018-11-18 12:30:06,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2982 to 2966. [2018-11-18 12:30:06,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2966 states. [2018-11-18 12:30:06,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2966 states to 2966 states and 4071 transitions. [2018-11-18 12:30:06,145 INFO L78 Accepts]: Start accepts. Automaton has 2966 states and 4071 transitions. Word has length 246 [2018-11-18 12:30:06,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:30:06,145 INFO L480 AbstractCegarLoop]: Abstraction has 2966 states and 4071 transitions. [2018-11-18 12:30:06,145 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:30:06,145 INFO L276 IsEmpty]: Start isEmpty. Operand 2966 states and 4071 transitions. [2018-11-18 12:30:06,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-18 12:30:06,148 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:30:06,148 INFO L375 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 8, 8, 6, 6, 4, 4, 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] [2018-11-18 12:30:06,149 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:30:06,149 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:30:06,149 INFO L82 PathProgramCache]: Analyzing trace with hash 1296628596, now seen corresponding path program 1 times [2018-11-18 12:30:06,149 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:30:06,149 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:30:06,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:06,150 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:30:06,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:06,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:30:06,196 INFO L134 CoverageAnalysis]: Checked inductivity of 789 backedges. 508 proven. 0 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2018-11-18 12:30:06,196 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:30:06,196 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:30:06,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:30:06,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:30:06,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:30:06,197 INFO L87 Difference]: Start difference. First operand 2966 states and 4071 transitions. Second operand 3 states. [2018-11-18 12:30:06,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:30:06,301 INFO L93 Difference]: Finished difference Result 6200 states and 8526 transitions. [2018-11-18 12:30:06,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:30:06,302 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 246 [2018-11-18 12:30:06,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:30:06,307 INFO L225 Difference]: With dead ends: 6200 [2018-11-18 12:30:06,307 INFO L226 Difference]: Without dead ends: 3246 [2018-11-18 12:30:06,310 INFO L604 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 [2018-11-18 12:30:06,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3246 states. [2018-11-18 12:30:06,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3246 to 3222. [2018-11-18 12:30:06,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3222 states. [2018-11-18 12:30:06,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3222 states to 3222 states and 4367 transitions. [2018-11-18 12:30:06,351 INFO L78 Accepts]: Start accepts. Automaton has 3222 states and 4367 transitions. Word has length 246 [2018-11-18 12:30:06,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:30:06,352 INFO L480 AbstractCegarLoop]: Abstraction has 3222 states and 4367 transitions. [2018-11-18 12:30:06,352 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:30:06,352 INFO L276 IsEmpty]: Start isEmpty. Operand 3222 states and 4367 transitions. [2018-11-18 12:30:06,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-11-18 12:30:06,356 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:30:06,356 INFO L375 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 9, 9, 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] [2018-11-18 12:30:06,356 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:30:06,356 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:30:06,356 INFO L82 PathProgramCache]: Analyzing trace with hash 801968022, now seen corresponding path program 1 times [2018-11-18 12:30:06,357 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:30:06,357 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:30:06,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:06,357 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:30:06,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:06,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:30:06,457 INFO L134 CoverageAnalysis]: Checked inductivity of 974 backedges. 629 proven. 0 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2018-11-18 12:30:06,458 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:30:06,458 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:30:06,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:30:06,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:30:06,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:30:06,459 INFO L87 Difference]: Start difference. First operand 3222 states and 4367 transitions. Second operand 3 states. [2018-11-18 12:30:06,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:30:06,532 INFO L93 Difference]: Finished difference Result 9346 states and 12637 transitions. [2018-11-18 12:30:06,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:30:06,533 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 277 [2018-11-18 12:30:06,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:30:06,550 INFO L225 Difference]: With dead ends: 9346 [2018-11-18 12:30:06,550 INFO L226 Difference]: Without dead ends: 6136 [2018-11-18 12:30:06,557 INFO L604 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 [2018-11-18 12:30:06,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6136 states. [2018-11-18 12:30:06,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6136 to 6134. [2018-11-18 12:30:06,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6134 states. [2018-11-18 12:30:06,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6134 states to 6134 states and 8277 transitions. [2018-11-18 12:30:06,683 INFO L78 Accepts]: Start accepts. Automaton has 6134 states and 8277 transitions. Word has length 277 [2018-11-18 12:30:06,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:30:06,684 INFO L480 AbstractCegarLoop]: Abstraction has 6134 states and 8277 transitions. [2018-11-18 12:30:06,684 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:30:06,684 INFO L276 IsEmpty]: Start isEmpty. Operand 6134 states and 8277 transitions. [2018-11-18 12:30:06,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-11-18 12:30:06,693 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:30:06,693 INFO L375 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 9, 9, 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] [2018-11-18 12:30:06,693 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:30:06,694 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:30:06,694 INFO L82 PathProgramCache]: Analyzing trace with hash -480204264, now seen corresponding path program 1 times [2018-11-18 12:30:06,694 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:30:06,694 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:30:06,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:06,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:30:06,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:06,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:30:06,783 INFO L134 CoverageAnalysis]: Checked inductivity of 974 backedges. 599 proven. 0 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2018-11-18 12:30:06,783 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:30:06,783 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:30:06,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:30:06,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:30:06,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:30:06,784 INFO L87 Difference]: Start difference. First operand 6134 states and 8277 transitions. Second operand 3 states. [2018-11-18 12:30:06,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:30:06,952 INFO L93 Difference]: Finished difference Result 12864 states and 17242 transitions. [2018-11-18 12:30:06,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:30:06,953 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 277 [2018-11-18 12:30:06,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:30:06,965 INFO L225 Difference]: With dead ends: 12864 [2018-11-18 12:30:06,965 INFO L226 Difference]: Without dead ends: 6742 [2018-11-18 12:30:06,973 INFO L604 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 [2018-11-18 12:30:06,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6742 states. [2018-11-18 12:30:07,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6742 to 6710. [2018-11-18 12:30:07,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6710 states. [2018-11-18 12:30:07,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6710 states to 6710 states and 8933 transitions. [2018-11-18 12:30:07,092 INFO L78 Accepts]: Start accepts. Automaton has 6710 states and 8933 transitions. Word has length 277 [2018-11-18 12:30:07,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:30:07,092 INFO L480 AbstractCegarLoop]: Abstraction has 6710 states and 8933 transitions. [2018-11-18 12:30:07,092 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:30:07,092 INFO L276 IsEmpty]: Start isEmpty. Operand 6710 states and 8933 transitions. [2018-11-18 12:30:07,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-11-18 12:30:07,102 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:30:07,102 INFO L375 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 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] [2018-11-18 12:30:07,103 INFO L423 AbstractCegarLoop]: === Iteration 18 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:30:07,103 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:30:07,103 INFO L82 PathProgramCache]: Analyzing trace with hash 8856548, now seen corresponding path program 1 times [2018-11-18 12:30:07,103 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:30:07,103 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:30:07,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:07,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:30:07,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:07,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:30:07,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1178 backedges. 686 proven. 0 refuted. 0 times theorem prover too weak. 492 trivial. 0 not checked. [2018-11-18 12:30:07,200 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:30:07,200 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:30:07,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:30:07,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:30:07,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:30:07,200 INFO L87 Difference]: Start difference. First operand 6710 states and 8933 transitions. Second operand 3 states. [2018-11-18 12:30:07,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:30:07,386 INFO L93 Difference]: Finished difference Result 13432 states and 17866 transitions. [2018-11-18 12:30:07,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:30:07,387 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 302 [2018-11-18 12:30:07,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:30:07,399 INFO L225 Difference]: With dead ends: 13432 [2018-11-18 12:30:07,399 INFO L226 Difference]: Without dead ends: 6734 [2018-11-18 12:30:07,407 INFO L604 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 [2018-11-18 12:30:07,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6734 states. [2018-11-18 12:30:07,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6734 to 6702. [2018-11-18 12:30:07,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6702 states. [2018-11-18 12:30:07,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6702 states to 6702 states and 8829 transitions. [2018-11-18 12:30:07,521 INFO L78 Accepts]: Start accepts. Automaton has 6702 states and 8829 transitions. Word has length 302 [2018-11-18 12:30:07,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:30:07,522 INFO L480 AbstractCegarLoop]: Abstraction has 6702 states and 8829 transitions. [2018-11-18 12:30:07,522 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:30:07,522 INFO L276 IsEmpty]: Start isEmpty. Operand 6702 states and 8829 transitions. [2018-11-18 12:30:07,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-11-18 12:30:07,532 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:30:07,533 INFO L375 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:30:07,533 INFO L423 AbstractCegarLoop]: === Iteration 19 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:30:07,533 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:30:07,533 INFO L82 PathProgramCache]: Analyzing trace with hash 510871661, now seen corresponding path program 1 times [2018-11-18 12:30:07,533 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:30:07,533 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:30:07,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:07,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:30:07,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:30:07,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 581 proven. 0 refuted. 0 times theorem prover too weak. 609 trivial. 0 not checked. [2018-11-18 12:30:07,628 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:30:07,629 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:30:07,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:30:07,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:30:07,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:30:07,630 INFO L87 Difference]: Start difference. First operand 6702 states and 8829 transitions. Second operand 3 states. [2018-11-18 12:30:07,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:30:07,818 INFO L93 Difference]: Finished difference Result 14208 states and 19002 transitions. [2018-11-18 12:30:07,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:30:07,819 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 313 [2018-11-18 12:30:07,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:30:07,830 INFO L225 Difference]: With dead ends: 14208 [2018-11-18 12:30:07,831 INFO L226 Difference]: Without dead ends: 7518 [2018-11-18 12:30:07,839 INFO L604 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 [2018-11-18 12:30:07,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7518 states. [2018-11-18 12:30:07,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7518 to 7342. [2018-11-18 12:30:07,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7342 states. [2018-11-18 12:30:07,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7342 states to 7342 states and 9581 transitions. [2018-11-18 12:30:07,941 INFO L78 Accepts]: Start accepts. Automaton has 7342 states and 9581 transitions. Word has length 313 [2018-11-18 12:30:07,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:30:07,942 INFO L480 AbstractCegarLoop]: Abstraction has 7342 states and 9581 transitions. [2018-11-18 12:30:07,942 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:30:07,942 INFO L276 IsEmpty]: Start isEmpty. Operand 7342 states and 9581 transitions. [2018-11-18 12:30:07,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-11-18 12:30:07,952 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:30:07,953 INFO L375 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 12:30:07,953 INFO L423 AbstractCegarLoop]: === Iteration 20 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:30:07,953 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:30:07,953 INFO L82 PathProgramCache]: Analyzing trace with hash 1593672479, now seen corresponding path program 1 times [2018-11-18 12:30:07,953 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:30:07,953 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:30:07,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:07,954 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:30:07,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:07,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:30:08,031 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 644 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2018-11-18 12:30:08,032 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:30:08,032 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:30:08,032 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:30:08,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:30:08,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:30:08,033 INFO L87 Difference]: Start difference. First operand 7342 states and 9581 transitions. Second operand 3 states. [2018-11-18 12:30:08,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:30:08,203 INFO L93 Difference]: Finished difference Result 15496 states and 20114 transitions. [2018-11-18 12:30:08,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:30:08,204 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 328 [2018-11-18 12:30:08,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:30:08,213 INFO L225 Difference]: With dead ends: 15496 [2018-11-18 12:30:08,213 INFO L226 Difference]: Without dead ends: 8166 [2018-11-18 12:30:08,220 INFO L604 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 [2018-11-18 12:30:08,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8166 states. [2018-11-18 12:30:08,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8166 to 7590. [2018-11-18 12:30:08,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7590 states. [2018-11-18 12:30:08,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7590 states to 7590 states and 9877 transitions. [2018-11-18 12:30:08,310 INFO L78 Accepts]: Start accepts. Automaton has 7590 states and 9877 transitions. Word has length 328 [2018-11-18 12:30:08,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:30:08,310 INFO L480 AbstractCegarLoop]: Abstraction has 7590 states and 9877 transitions. [2018-11-18 12:30:08,310 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:30:08,310 INFO L276 IsEmpty]: Start isEmpty. Operand 7590 states and 9877 transitions. [2018-11-18 12:30:08,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2018-11-18 12:30:08,319 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:30:08,319 INFO L375 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 12:30:08,320 INFO L423 AbstractCegarLoop]: === Iteration 21 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:30:08,320 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:30:08,320 INFO L82 PathProgramCache]: Analyzing trace with hash 1085355354, now seen corresponding path program 1 times [2018-11-18 12:30:08,320 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:30:08,320 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:30:08,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:08,321 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:30:08,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:08,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:30:08,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 764 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2018-11-18 12:30:08,425 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:30:08,425 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:30:08,427 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:30:08,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:30:08,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:30:08,428 INFO L87 Difference]: Start difference. First operand 7590 states and 9877 transitions. Second operand 3 states. [2018-11-18 12:30:08,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:30:08,583 INFO L93 Difference]: Finished difference Result 15176 states and 19730 transitions. [2018-11-18 12:30:08,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:30:08,584 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 330 [2018-11-18 12:30:08,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:30:08,595 INFO L225 Difference]: With dead ends: 15176 [2018-11-18 12:30:08,595 INFO L226 Difference]: Without dead ends: 7598 [2018-11-18 12:30:08,604 INFO L604 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 [2018-11-18 12:30:08,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7598 states. [2018-11-18 12:30:08,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7598 to 7566. [2018-11-18 12:30:08,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7566 states. [2018-11-18 12:30:08,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7566 states to 7566 states and 9789 transitions. [2018-11-18 12:30:08,697 INFO L78 Accepts]: Start accepts. Automaton has 7566 states and 9789 transitions. Word has length 330 [2018-11-18 12:30:08,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:30:08,698 INFO L480 AbstractCegarLoop]: Abstraction has 7566 states and 9789 transitions. [2018-11-18 12:30:08,698 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:30:08,698 INFO L276 IsEmpty]: Start isEmpty. Operand 7566 states and 9789 transitions. [2018-11-18 12:30:08,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2018-11-18 12:30:08,706 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:30:08,707 INFO L375 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 11, 11, 9, 9, 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, 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] [2018-11-18 12:30:08,707 INFO L423 AbstractCegarLoop]: === Iteration 22 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:30:08,707 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:30:08,707 INFO L82 PathProgramCache]: Analyzing trace with hash 880461980, now seen corresponding path program 1 times [2018-11-18 12:30:08,707 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:30:08,707 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:30:08,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:08,708 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:30:08,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:08,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:30:08,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1439 backedges. 817 proven. 13 refuted. 0 times theorem prover too weak. 609 trivial. 0 not checked. [2018-11-18 12:30:08,802 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:30:08,802 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5d3dab94-fbec-45d7-8739-b9bd45ec6d83/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 [2018-11-18 12:30:08,812 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:30:08,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:30:08,894 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:30:09,012 INFO L134 CoverageAnalysis]: Checked inductivity of 1439 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 1322 trivial. 0 not checked. [2018-11-18 12:30:09,040 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:30:09,040 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2018-11-18 12:30:09,041 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 12:30:09,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 12:30:09,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:30:09,041 INFO L87 Difference]: Start difference. First operand 7566 states and 9789 transitions. Second operand 7 states. [2018-11-18 12:30:09,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:30:09,627 INFO L93 Difference]: Finished difference Result 17742 states and 22666 transitions. [2018-11-18 12:30:09,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 12:30:09,629 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 353 [2018-11-18 12:30:09,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:30:09,643 INFO L225 Difference]: With dead ends: 17742 [2018-11-18 12:30:09,644 INFO L226 Difference]: Without dead ends: 10152 [2018-11-18 12:30:09,652 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 355 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2018-11-18 12:30:09,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10152 states. [2018-11-18 12:30:09,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10152 to 7714. [2018-11-18 12:30:09,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7714 states. [2018-11-18 12:30:09,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7714 states to 7714 states and 9800 transitions. [2018-11-18 12:30:09,819 INFO L78 Accepts]: Start accepts. Automaton has 7714 states and 9800 transitions. Word has length 353 [2018-11-18 12:30:09,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:30:09,819 INFO L480 AbstractCegarLoop]: Abstraction has 7714 states and 9800 transitions. [2018-11-18 12:30:09,819 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 12:30:09,819 INFO L276 IsEmpty]: Start isEmpty. Operand 7714 states and 9800 transitions. [2018-11-18 12:30:09,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-11-18 12:30:09,832 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:30:09,833 INFO L375 BasicCegarLoop]: trace histogram [16, 16, 16, 15, 15, 14, 14, 14, 14, 14, 13, 13, 11, 11, 9, 9, 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, 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] [2018-11-18 12:30:09,833 INFO L423 AbstractCegarLoop]: === Iteration 23 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:30:09,833 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:30:09,833 INFO L82 PathProgramCache]: Analyzing trace with hash 1679620924, now seen corresponding path program 1 times [2018-11-18 12:30:09,833 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:30:09,833 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:30:09,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:09,834 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:30:09,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:09,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:30:09,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1617 backedges. 911 proven. 6 refuted. 0 times theorem prover too weak. 700 trivial. 0 not checked. [2018-11-18 12:30:09,950 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:30:09,950 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5d3dab94-fbec-45d7-8739-b9bd45ec6d83/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 [2018-11-18 12:30:09,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:30:10,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:30:10,032 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:30:10,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1617 backedges. 687 proven. 0 refuted. 0 times theorem prover too weak. 930 trivial. 0 not checked. [2018-11-18 12:30:10,141 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:30:10,141 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-11-18 12:30:10,142 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 12:30:10,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 12:30:10,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:30:10,142 INFO L87 Difference]: Start difference. First operand 7714 states and 9800 transitions. Second operand 5 states. [2018-11-18 12:30:10,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:30:10,464 INFO L93 Difference]: Finished difference Result 16440 states and 20408 transitions. [2018-11-18 12:30:10,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 12:30:10,465 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 381 [2018-11-18 12:30:10,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:30:10,477 INFO L225 Difference]: With dead ends: 16440 [2018-11-18 12:30:10,477 INFO L226 Difference]: Without dead ends: 8737 [2018-11-18 12:30:10,484 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 388 GetRequests, 383 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:30:10,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8737 states. [2018-11-18 12:30:10,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8737 to 7150. [2018-11-18 12:30:10,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7150 states. [2018-11-18 12:30:10,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7150 states to 7150 states and 8695 transitions. [2018-11-18 12:30:10,635 INFO L78 Accepts]: Start accepts. Automaton has 7150 states and 8695 transitions. Word has length 381 [2018-11-18 12:30:10,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:30:10,635 INFO L480 AbstractCegarLoop]: Abstraction has 7150 states and 8695 transitions. [2018-11-18 12:30:10,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 12:30:10,636 INFO L276 IsEmpty]: Start isEmpty. Operand 7150 states and 8695 transitions. [2018-11-18 12:30:10,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2018-11-18 12:30:10,649 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:30:10,649 INFO L375 BasicCegarLoop]: trace histogram [18, 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, 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] [2018-11-18 12:30:10,649 INFO L423 AbstractCegarLoop]: === Iteration 24 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:30:10,650 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:30:10,650 INFO L82 PathProgramCache]: Analyzing trace with hash 934836294, now seen corresponding path program 1 times [2018-11-18 12:30:10,650 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:30:10,650 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:30:10,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:10,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:30:10,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:10,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:30:10,876 INFO L134 CoverageAnalysis]: Checked inductivity of 2123 backedges. 962 proven. 0 refuted. 0 times theorem prover too weak. 1161 trivial. 0 not checked. [2018-11-18 12:30:10,877 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:30:10,877 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:30:10,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:30:10,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:30:10,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:30:10,878 INFO L87 Difference]: Start difference. First operand 7150 states and 8695 transitions. Second operand 3 states. [2018-11-18 12:30:11,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:30:11,047 INFO L93 Difference]: Finished difference Result 13114 states and 15862 transitions. [2018-11-18 12:30:11,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:30:11,048 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 436 [2018-11-18 12:30:11,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:30:11,056 INFO L225 Difference]: With dead ends: 13114 [2018-11-18 12:30:11,056 INFO L226 Difference]: Without dead ends: 5382 [2018-11-18 12:30:11,062 INFO L604 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 [2018-11-18 12:30:11,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5382 states. [2018-11-18 12:30:11,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5382 to 5124. [2018-11-18 12:30:11,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5124 states. [2018-11-18 12:30:11,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5124 states to 5124 states and 6191 transitions. [2018-11-18 12:30:11,139 INFO L78 Accepts]: Start accepts. Automaton has 5124 states and 6191 transitions. Word has length 436 [2018-11-18 12:30:11,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:30:11,140 INFO L480 AbstractCegarLoop]: Abstraction has 5124 states and 6191 transitions. [2018-11-18 12:30:11,140 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:30:11,140 INFO L276 IsEmpty]: Start isEmpty. Operand 5124 states and 6191 transitions. [2018-11-18 12:30:11,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2018-11-18 12:30:11,145 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:30:11,145 INFO L375 BasicCegarLoop]: trace histogram [17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 15, 15, 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, 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] [2018-11-18 12:30:11,145 INFO L423 AbstractCegarLoop]: === Iteration 25 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:30:11,145 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:30:11,145 INFO L82 PathProgramCache]: Analyzing trace with hash 1940794016, now seen corresponding path program 1 times [2018-11-18 12:30:11,145 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:30:11,146 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:30:11,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:11,146 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:30:11,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:11,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:30:11,300 INFO L134 CoverageAnalysis]: Checked inductivity of 2364 backedges. 1438 proven. 0 refuted. 0 times theorem prover too weak. 926 trivial. 0 not checked. [2018-11-18 12:30:11,301 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:30:11,301 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:30:11,301 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:30:11,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:30:11,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:30:11,302 INFO L87 Difference]: Start difference. First operand 5124 states and 6191 transitions. Second operand 3 states. [2018-11-18 12:30:11,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:30:11,360 INFO L93 Difference]: Finished difference Result 8912 states and 10814 transitions. [2018-11-18 12:30:11,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:30:11,361 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 482 [2018-11-18 12:30:11,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:30:11,366 INFO L225 Difference]: With dead ends: 8912 [2018-11-18 12:30:11,366 INFO L226 Difference]: Without dead ends: 3627 [2018-11-18 12:30:11,370 INFO L604 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 [2018-11-18 12:30:11,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3627 states. [2018-11-18 12:30:11,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3627 to 3550. [2018-11-18 12:30:11,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3550 states. [2018-11-18 12:30:11,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3550 states to 3550 states and 4361 transitions. [2018-11-18 12:30:11,421 INFO L78 Accepts]: Start accepts. Automaton has 3550 states and 4361 transitions. Word has length 482 [2018-11-18 12:30:11,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:30:11,421 INFO L480 AbstractCegarLoop]: Abstraction has 3550 states and 4361 transitions. [2018-11-18 12:30:11,421 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:30:11,421 INFO L276 IsEmpty]: Start isEmpty. Operand 3550 states and 4361 transitions. [2018-11-18 12:30:11,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 636 [2018-11-18 12:30:11,426 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:30:11,427 INFO L375 BasicCegarLoop]: trace histogram [21, 21, 21, 20, 20, 20, 20, 20, 20, 20, 19, 19, 17, 17, 16, 16, 15, 15, 13, 13, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 8, 8, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 12:30:11,427 INFO L423 AbstractCegarLoop]: === Iteration 26 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:30:11,427 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:30:11,427 INFO L82 PathProgramCache]: Analyzing trace with hash -206246475, now seen corresponding path program 1 times [2018-11-18 12:30:11,427 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:30:11,427 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:30:11,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:11,428 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:30:11,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:30:11,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:30:11,653 INFO L134 CoverageAnalysis]: Checked inductivity of 4138 backedges. 2170 proven. 15 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2018-11-18 12:30:11,653 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:30:11,653 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5d3dab94-fbec-45d7-8739-b9bd45ec6d83/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 [2018-11-18 12:30:11,662 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:30:11,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:30:11,775 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:30:11,954 INFO L134 CoverageAnalysis]: Checked inductivity of 4138 backedges. 2170 proven. 15 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2018-11-18 12:30:11,985 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:30:11,985 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-11-18 12:30:11,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 12:30:11,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 12:30:11,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 12:30:11,987 INFO L87 Difference]: Start difference. First operand 3550 states and 4361 transitions. Second operand 4 states. [2018-11-18 12:30:12,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:30:12,167 INFO L93 Difference]: Finished difference Result 4061 states and 5001 transitions. [2018-11-18 12:30:12,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 12:30:12,168 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 635 [2018-11-18 12:30:12,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:30:12,169 INFO L225 Difference]: With dead ends: 4061 [2018-11-18 12:30:12,169 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 12:30:12,173 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 640 GetRequests, 637 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:30:12,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 12:30:12,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 12:30:12,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 12:30:12,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 12:30:12,173 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 635 [2018-11-18 12:30:12,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:30:12,174 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 12:30:12,174 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 12:30:12,174 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 12:30:12,174 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:30:12,177 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 12:30:12,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,276 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,593 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:30:12,616 WARN L180 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 101 [2018-11-18 12:30:13,465 WARN L180 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 71 [2018-11-18 12:30:13,469 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-18 12:30:13,469 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:30:13,470 INFO L428 ceAbstractionStarter]: At program point L564(lines 107 565) the Hoare annotation is: true [2018-11-18 12:30:13,470 INFO L425 ceAbstractionStarter]: For program point L201(lines 201 514) no Hoare annotation was computed. [2018-11-18 12:30:13,470 INFO L425 ceAbstractionStarter]: For program point L168(lines 168 525) no Hoare annotation was computed. [2018-11-18 12:30:13,470 INFO L425 ceAbstractionStarter]: For program point L135(lines 135 536) no Hoare annotation was computed. [2018-11-18 12:30:13,470 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 106) no Hoare annotation was computed. [2018-11-18 12:30:13,470 INFO L421 ceAbstractionStarter]: At program point L202(lines 198 515) the Hoare annotation is: (let ((.cse0 (<= 4560 ssl3_connect_~s__state~0)) (.cse2 (= ssl3_connect_~s__hit~0 0)) (.cse1 (<= ssl3_connect_~s__state~0 4560))) (or (< |ssl3_connect_#in~initial_state| 12292) (and (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse0 (<= ssl3_connect_~blastFlag~0 4) .cse1 .cse2 (<= 4560 ssl3_connect_~s__s3__tmp__next_state___0~0)) (and (<= ssl3_connect_~blastFlag~0 2) .cse0 (not .cse2) .cse1))) [2018-11-18 12:30:13,470 INFO L421 ceAbstractionStarter]: At program point L136(lines 132 537) the Hoare annotation is: (or (< |ssl3_connect_#in~initial_state| 12292) (and (<= ssl3_connect_~blastFlag~0 2) (<= 4352 ssl3_connect_~s__state~0) (<= ssl3_connect_~s__state~0 4560))) [2018-11-18 12:30:13,470 INFO L425 ceAbstractionStarter]: For program point L103(lines 103 105) no Hoare annotation was computed. [2018-11-18 12:30:13,470 INFO L425 ceAbstractionStarter]: For program point ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION(line 573) no Hoare annotation was computed. [2018-11-18 12:30:13,471 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 252) no Hoare annotation was computed. [2018-11-18 12:30:13,471 INFO L425 ceAbstractionStarter]: For program point L236-2(lines 211 509) no Hoare annotation was computed. [2018-11-18 12:30:13,471 INFO L425 ceAbstractionStarter]: For program point L468(lines 468 480) no Hoare annotation was computed. [2018-11-18 12:30:13,471 INFO L425 ceAbstractionStarter]: For program point L435(lines 435 449) no Hoare annotation was computed. [2018-11-18 12:30:13,471 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 435 449) no Hoare annotation was computed. [2018-11-18 12:30:13,471 INFO L425 ceAbstractionStarter]: For program point L468-2(lines 468 480) no Hoare annotation was computed. [2018-11-18 12:30:13,471 INFO L425 ceAbstractionStarter]: For program point L336(lines 336 339) no Hoare annotation was computed. [2018-11-18 12:30:13,471 INFO L425 ceAbstractionStarter]: For program point L270(lines 270 272) no Hoare annotation was computed. [2018-11-18 12:30:13,471 INFO L425 ceAbstractionStarter]: For program point L204(lines 204 513) no Hoare annotation was computed. [2018-11-18 12:30:13,471 INFO L425 ceAbstractionStarter]: For program point L270-2(lines 211 509) no Hoare annotation was computed. [2018-11-18 12:30:13,471 INFO L425 ceAbstractionStarter]: For program point L171(lines 171 524) no Hoare annotation was computed. [2018-11-18 12:30:13,471 INFO L425 ceAbstractionStarter]: For program point L138(lines 138 535) no Hoare annotation was computed. [2018-11-18 12:30:13,472 INFO L425 ceAbstractionStarter]: For program point L502(lines 502 504) no Hoare annotation was computed. [2018-11-18 12:30:13,472 INFO L421 ceAbstractionStarter]: At program point L205(lines 204 513) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~s__state~0 4352)) (.cse1 (<= 4352 ssl3_connect_~s__state~0)) (.cse2 (= ssl3_connect_~s__hit~0 0))) (or (< |ssl3_connect_#in~initial_state| 12292) (and (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse0 .cse1 (<= ssl3_connect_~blastFlag~0 4) .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 (not .cse2)))) [2018-11-18 12:30:13,472 INFO L421 ceAbstractionStarter]: At program point L172(lines 162 527) the Hoare annotation is: (or (< |ssl3_connect_#in~initial_state| 12292) (and (and (<= 4432 ssl3_connect_~s__state~0) (<= ssl3_connect_~blastFlag~0 4) (<= ssl3_connect_~s__state~0 4560)) (= ssl3_connect_~s__hit~0 0))) [2018-11-18 12:30:13,472 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 571) no Hoare annotation was computed. [2018-11-18 12:30:13,472 INFO L425 ceAbstractionStarter]: For program point L569-2(lines 569 571) no Hoare annotation was computed. [2018-11-18 12:30:13,472 INFO L425 ceAbstractionStarter]: For program point L371(lines 371 373) no Hoare annotation was computed. [2018-11-18 12:30:13,472 INFO L425 ceAbstractionStarter]: For program point L405(lines 405 407) no Hoare annotation was computed. [2018-11-18 12:30:13,472 INFO L425 ceAbstractionStarter]: For program point L207(lines 207 512) no Hoare annotation was computed. [2018-11-18 12:30:13,472 INFO L425 ceAbstractionStarter]: For program point L174(lines 174 523) no Hoare annotation was computed. [2018-11-18 12:30:13,472 INFO L425 ceAbstractionStarter]: For program point L141(lines 141 534) no Hoare annotation was computed. [2018-11-18 12:30:13,472 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 563) no Hoare annotation was computed. [2018-11-18 12:30:13,473 INFO L425 ceAbstractionStarter]: For program point L108-2(lines 85 575) no Hoare annotation was computed. [2018-11-18 12:30:13,473 INFO L425 ceAbstractionStarter]: For program point L439(lines 439 445) no Hoare annotation was computed. [2018-11-18 12:30:13,473 INFO L428 ceAbstractionStarter]: At program point L208(lines 207 512) the Hoare annotation is: true [2018-11-18 12:30:13,473 INFO L421 ceAbstractionStarter]: At program point L142(lines 138 535) the Hoare annotation is: (or (< |ssl3_connect_#in~initial_state| 12292) (and (<= ssl3_connect_~blastFlag~0 2) (<= 4352 ssl3_connect_~s__state~0) (<= ssl3_connect_~s__state~0 4560) (= ssl3_connect_~s__hit~0 0))) [2018-11-18 12:30:13,473 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-18 12:30:13,473 INFO L425 ceAbstractionStarter]: For program point L242(lines 242 245) no Hoare annotation was computed. [2018-11-18 12:30:13,473 INFO L425 ceAbstractionStarter]: For program point L474(lines 474 477) no Hoare annotation was computed. [2018-11-18 12:30:13,473 INFO L428 ceAbstractionStarter]: At program point L210(lines 209 512) the Hoare annotation is: true [2018-11-18 12:30:13,473 INFO L425 ceAbstractionStarter]: For program point L177(lines 177 522) no Hoare annotation was computed. [2018-11-18 12:30:13,473 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 533) no Hoare annotation was computed. [2018-11-18 12:30:13,474 INFO L425 ceAbstractionStarter]: For program point L111(lines 111 544) no Hoare annotation was computed. [2018-11-18 12:30:13,474 INFO L425 ceAbstractionStarter]: For program point L310(lines 310 320) no Hoare annotation was computed. [2018-11-18 12:30:13,474 INFO L425 ceAbstractionStarter]: For program point L310-2(lines 310 320) no Hoare annotation was computed. [2018-11-18 12:30:13,474 INFO L421 ceAbstractionStarter]: At program point L178(lines 174 523) the Hoare annotation is: (or (and (<= 4432 ssl3_connect_~s__state~0) (= ssl3_connect_~s__hit~0 0) (<= ssl3_connect_~blastFlag~0 4) (<= ssl3_connect_~s__state~0 4560)) (< |ssl3_connect_#in~initial_state| 12292)) [2018-11-18 12:30:13,474 INFO L421 ceAbstractionStarter]: At program point L112(lines 111 544) the Hoare annotation is: (or (< |ssl3_connect_#in~initial_state| 12292) (and (<= ssl3_connect_~blastFlag~0 0) (<= 12292 ssl3_connect_~s__state~0))) [2018-11-18 12:30:13,474 INFO L425 ceAbstractionStarter]: For program point L344(lines 344 346) no Hoare annotation was computed. [2018-11-18 12:30:13,474 INFO L421 ceAbstractionStarter]: At program point L510(lines 108 563) the Hoare annotation is: (let ((.cse2 (= ssl3_connect_~s__hit~0 0))) (let ((.cse9 (<= ssl3_connect_~s__state~0 3)) (.cse6 (not .cse2)) (.cse7 (<= 4560 ssl3_connect_~s__state~0)) (.cse8 (<= ssl3_connect_~s__state~0 4560)) (.cse12 (= ssl3_connect_~s__state~0 4528)) (.cse10 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560)) (.cse4 (<= ssl3_connect_~s__state~0 4352)) (.cse5 (<= 4352 ssl3_connect_~s__state~0)) (.cse11 (<= 4560 ssl3_connect_~s__s3__tmp__next_state___0~0)) (.cse3 (<= ssl3_connect_~blastFlag~0 2)) (.cse0 (= ssl3_connect_~s__state~0 4512)) (.cse1 (<= ssl3_connect_~blastFlag~0 4))) (or (and .cse0 .cse1 .cse2) (and (= ssl3_connect_~s__state~0 4496) .cse1 .cse2) (and .cse2 (and (= ssl3_connect_~s__state~0 4432) .cse1)) (and .cse3 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 3) .cse4 .cse5 .cse6) (and .cse3 .cse7 .cse6 .cse8) (and .cse9 .cse10 .cse1 .cse11) (and (<= ssl3_connect_~blastFlag~0 0) (= ssl3_connect_~s__state~0 4368)) (and .cse9 .cse10 .cse6) (and .cse1 .cse2 (= ssl3_connect_~s__state~0 4480)) (and (= ssl3_connect_~s__state~0 4464) .cse1 .cse2) (and .cse3 .cse12) (and .cse10 .cse7 .cse1 .cse8 .cse2 .cse11) (and .cse3 (= ssl3_connect_~s__state~0 4384)) (and .cse12 .cse1 .cse2) (< |ssl3_connect_#in~initial_state| 12292) (and .cse3 (= ssl3_connect_~s__state~0 4400) .cse2) (and .cse10 .cse4 .cse5 .cse1 .cse2 .cse11) (and (and (= ssl3_connect_~s__state~0 4448) .cse1) .cse2) (and .cse3 .cse0) (and (= ssl3_connect_~s__state~0 4416) .cse1 .cse2)))) [2018-11-18 12:30:13,474 INFO L425 ceAbstractionStarter]: For program point L411(lines 411 415) no Hoare annotation was computed. [2018-11-18 12:30:13,475 INFO L421 ceAbstractionStarter]: At program point L345(lines 85 575) the Hoare annotation is: (< |ssl3_connect_#in~initial_state| 12292) [2018-11-18 12:30:13,475 INFO L425 ceAbstractionStarter]: For program point L411-2(lines 211 509) no Hoare annotation was computed. [2018-11-18 12:30:13,475 INFO L425 ceAbstractionStarter]: For program point L180(lines 180 521) no Hoare annotation was computed. [2018-11-18 12:30:13,475 INFO L425 ceAbstractionStarter]: For program point L147(lines 147 532) no Hoare annotation was computed. [2018-11-18 12:30:13,475 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 543) no Hoare annotation was computed. [2018-11-18 12:30:13,475 INFO L425 ceAbstractionStarter]: For program point L247(lines 247 250) no Hoare annotation was computed. [2018-11-18 12:30:13,475 INFO L421 ceAbstractionStarter]: At program point L148(lines 144 533) the Hoare annotation is: (or (< |ssl3_connect_#in~initial_state| 12292) (and (<= 4352 ssl3_connect_~s__state~0) (<= ssl3_connect_~blastFlag~0 4) (<= ssl3_connect_~s__state~0 4560) (= ssl3_connect_~s__hit~0 0))) [2018-11-18 12:30:13,475 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 561) no Hoare annotation was computed. [2018-11-18 12:30:13,475 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 382) no Hoare annotation was computed. [2018-11-18 12:30:13,475 INFO L425 ceAbstractionStarter]: For program point L347(lines 347 349) no Hoare annotation was computed. [2018-11-18 12:30:13,475 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 316) no Hoare annotation was computed. [2018-11-18 12:30:13,476 INFO L425 ceAbstractionStarter]: For program point L281(lines 281 283) no Hoare annotation was computed. [2018-11-18 12:30:13,476 INFO L425 ceAbstractionStarter]: For program point L314-2(lines 312 320) no Hoare annotation was computed. [2018-11-18 12:30:13,476 INFO L425 ceAbstractionStarter]: For program point L546(lines 546 560) no Hoare annotation was computed. [2018-11-18 12:30:13,476 INFO L421 ceAbstractionStarter]: At program point L216(lines 114 543) the Hoare annotation is: (or (< |ssl3_connect_#in~initial_state| 12292) (<= ssl3_connect_~blastFlag~0 0)) [2018-11-18 12:30:13,476 INFO L425 ceAbstractionStarter]: For program point L183(lines 183 520) no Hoare annotation was computed. [2018-11-18 12:30:13,476 INFO L425 ceAbstractionStarter]: For program point L150(lines 150 531) no Hoare annotation was computed. [2018-11-18 12:30:13,476 INFO L425 ceAbstractionStarter]: For program point L117(lines 117 542) no Hoare annotation was computed. [2018-11-18 12:30:13,476 INFO L428 ceAbstractionStarter]: At program point ssl3_connectENTRY(lines 11 576) the Hoare annotation is: true [2018-11-18 12:30:13,476 INFO L425 ceAbstractionStarter]: For program point L547(lines 547 552) no Hoare annotation was computed. [2018-11-18 12:30:13,476 INFO L425 ceAbstractionStarter]: For program point L547-2(lines 546 560) no Hoare annotation was computed. [2018-11-18 12:30:13,477 INFO L421 ceAbstractionStarter]: At program point L184(lines 180 521) the Hoare annotation is: (or (< |ssl3_connect_#in~initial_state| 12292) (and (<= 4432 ssl3_connect_~s__state~0) (<= ssl3_connect_~blastFlag~0 4) (<= ssl3_connect_~s__state~0 4560) (= ssl3_connect_~s__hit~0 0))) [2018-11-18 12:30:13,477 INFO L425 ceAbstractionStarter]: For program point L549(lines 549 551) no Hoare annotation was computed. [2018-11-18 12:30:13,477 INFO L425 ceAbstractionStarter]: For program point L384(lines 384 389) no Hoare annotation was computed. [2018-11-18 12:30:13,477 INFO L425 ceAbstractionStarter]: For program point L384-2(lines 384 389) no Hoare annotation was computed. [2018-11-18 12:30:13,477 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 519) no Hoare annotation was computed. [2018-11-18 12:30:13,477 INFO L425 ceAbstractionStarter]: For program point L153(lines 153 530) no Hoare annotation was computed. [2018-11-18 12:30:13,477 INFO L425 ceAbstractionStarter]: For program point L120(lines 120 541) no Hoare annotation was computed. [2018-11-18 12:30:13,477 INFO L421 ceAbstractionStarter]: At program point L154(lines 150 531) the Hoare annotation is: (or (< |ssl3_connect_#in~initial_state| 12292) (and (<= 4432 ssl3_connect_~s__state~0) (<= ssl3_connect_~s__state~0 4560) (= ssl3_connect_~s__hit~0 0) (<= ssl3_connect_~blastFlag~0 4))) [2018-11-18 12:30:13,477 INFO L425 ceAbstractionStarter]: For program point $Ultimate##85(lines 211 511) no Hoare annotation was computed. [2018-11-18 12:30:13,477 INFO L425 ceAbstractionStarter]: For program point $Ultimate##84(lines 211 511) no Hoare annotation was computed. [2018-11-18 12:30:13,478 INFO L425 ceAbstractionStarter]: For program point L485-1(lines 485 487) no Hoare annotation was computed. [2018-11-18 12:30:13,478 INFO L425 ceAbstractionStarter]: For program point L221(lines 221 223) no Hoare annotation was computed. [2018-11-18 12:30:13,478 INFO L425 ceAbstractionStarter]: For program point L221-2(lines 221 223) no Hoare annotation was computed. [2018-11-18 12:30:13,478 INFO L425 ceAbstractionStarter]: For program point L420(lines 420 423) no Hoare annotation was computed. [2018-11-18 12:30:13,478 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 518) no Hoare annotation was computed. [2018-11-18 12:30:13,478 INFO L425 ceAbstractionStarter]: For program point L156(lines 156 529) no Hoare annotation was computed. [2018-11-18 12:30:13,478 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 540) no Hoare annotation was computed. [2018-11-18 12:30:13,478 INFO L425 ceAbstractionStarter]: For program point L289(lines 289 295) no Hoare annotation was computed. [2018-11-18 12:30:13,478 INFO L421 ceAbstractionStarter]: At program point L190(lines 186 519) the Hoare annotation is: (let ((.cse0 (<= 4512 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560))) (or (< |ssl3_connect_#in~initial_state| 12292) (and .cse0 (= ssl3_connect_~s__hit~0 0) (<= ssl3_connect_~blastFlag~0 4) .cse1) (and (<= ssl3_connect_~blastFlag~0 2) .cse0 .cse1))) [2018-11-18 12:30:13,478 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 558) no Hoare annotation was computed. [2018-11-18 12:30:13,478 INFO L425 ceAbstractionStarter]: For program point L455(lines 455 457) no Hoare annotation was computed. [2018-11-18 12:30:13,479 INFO L425 ceAbstractionStarter]: For program point L356(lines 356 358) no Hoare annotation was computed. [2018-11-18 12:30:13,479 INFO L425 ceAbstractionStarter]: For program point ssl3_connectEXIT(lines 11 576) no Hoare annotation was computed. [2018-11-18 12:30:13,479 INFO L425 ceAbstractionStarter]: For program point L258(lines 258 261) no Hoare annotation was computed. [2018-11-18 12:30:13,479 INFO L425 ceAbstractionStarter]: For program point L192(lines 192 517) no Hoare annotation was computed. [2018-11-18 12:30:13,479 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 528) no Hoare annotation was computed. [2018-11-18 12:30:13,479 INFO L425 ceAbstractionStarter]: For program point L126(lines 126 539) no Hoare annotation was computed. [2018-11-18 12:30:13,479 INFO L425 ceAbstractionStarter]: For program point ssl3_connectFINAL(lines 11 576) no Hoare annotation was computed. [2018-11-18 12:30:13,479 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 294) no Hoare annotation was computed. [2018-11-18 12:30:13,479 INFO L425 ceAbstractionStarter]: For program point L226(lines 226 229) no Hoare annotation was computed. [2018-11-18 12:30:13,479 INFO L425 ceAbstractionStarter]: For program point L292-2(lines 211 509) no Hoare annotation was computed. [2018-11-18 12:30:13,479 INFO L421 ceAbstractionStarter]: At program point L160(lines 156 529) the Hoare annotation is: (or (< |ssl3_connect_#in~initial_state| 12292) (and (and (<= 4432 ssl3_connect_~s__state~0) (<= ssl3_connect_~blastFlag~0 4) (<= ssl3_connect_~s__state~0 4560)) (= ssl3_connect_~s__hit~0 0))) [2018-11-18 12:30:13,479 INFO L425 ceAbstractionStarter]: For program point L94(lines 94 100) no Hoare annotation was computed. [2018-11-18 12:30:13,480 INFO L425 ceAbstractionStarter]: For program point L491(lines 491 493) no Hoare annotation was computed. [2018-11-18 12:30:13,480 INFO L425 ceAbstractionStarter]: For program point L458(lines 458 462) no Hoare annotation was computed. [2018-11-18 12:30:13,480 INFO L425 ceAbstractionStarter]: For program point L491-2(lines 491 493) no Hoare annotation was computed. [2018-11-18 12:30:13,480 INFO L425 ceAbstractionStarter]: For program point L458-2(lines 458 462) no Hoare annotation was computed. [2018-11-18 12:30:13,480 INFO L425 ceAbstractionStarter]: For program point L359(lines 359 363) no Hoare annotation was computed. [2018-11-18 12:30:13,480 INFO L425 ceAbstractionStarter]: For program point L359-2(lines 359 363) no Hoare annotation was computed. [2018-11-18 12:30:13,480 INFO L425 ceAbstractionStarter]: For program point L195(lines 195 516) no Hoare annotation was computed. [2018-11-18 12:30:13,480 INFO L425 ceAbstractionStarter]: For program point L162(lines 162 527) no Hoare annotation was computed. [2018-11-18 12:30:13,480 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 538) no Hoare annotation was computed. [2018-11-18 12:30:13,480 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 330) no Hoare annotation was computed. [2018-11-18 12:30:13,480 INFO L425 ceAbstractionStarter]: For program point L328-2(lines 211 509) no Hoare annotation was computed. [2018-11-18 12:30:13,480 INFO L421 ceAbstractionStarter]: At program point L196(lines 192 517) the Hoare annotation is: (let ((.cse0 (<= 4512 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4560))) (or (< |ssl3_connect_#in~initial_state| 12292) (and .cse0 (<= ssl3_connect_~blastFlag~0 4) .cse1 (= ssl3_connect_~s__hit~0 0)) (and (<= ssl3_connect_~blastFlag~0 2) .cse0 .cse1))) [2018-11-18 12:30:13,481 INFO L421 ceAbstractionStarter]: At program point L130(lines 126 539) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~blastFlag~0 0))) (or (< |ssl3_connect_#in~initial_state| 12292) (and .cse0 (= ssl3_connect_~s__state~0 4368)) (and (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560) .cse0 (<= 4352 ssl3_connect_~s__state~0) (not (= ssl3_connect_~s__hit~0 0)) (<= ssl3_connect_~s__state~0 4560)))) [2018-11-18 12:30:13,481 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 99) no Hoare annotation was computed. [2018-11-18 12:30:13,481 INFO L425 ceAbstractionStarter]: For program point L97-2(lines 94 100) no Hoare annotation was computed. [2018-11-18 12:30:13,481 INFO L425 ceAbstractionStarter]: For program point L428(lines 428 430) no Hoare annotation was computed. [2018-11-18 12:30:13,481 INFO L425 ceAbstractionStarter]: For program point L395(lines 395 397) no Hoare annotation was computed. [2018-11-18 12:30:13,481 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 515) no Hoare annotation was computed. [2018-11-18 12:30:13,481 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 526) no Hoare annotation was computed. [2018-11-18 12:30:13,481 INFO L425 ceAbstractionStarter]: For program point L132(lines 132 537) no Hoare annotation was computed. [2018-11-18 12:30:13,481 INFO L425 ceAbstractionStarter]: For program point L497(lines 497 499) no Hoare annotation was computed. [2018-11-18 12:30:13,481 INFO L425 ceAbstractionStarter]: For program point L497-2(lines 497 499) no Hoare annotation was computed. [2018-11-18 12:30:13,481 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 303) no Hoare annotation was computed. [2018-11-18 12:30:13,481 INFO L425 ceAbstractionStarter]: For program point L299-2(lines 299 303) no Hoare annotation was computed. [2018-11-18 12:30:13,482 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:30:13,482 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 12:30:13,482 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 12:30:13,482 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:30:13,482 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 577 587) the Hoare annotation is: true [2018-11-18 12:30:13,482 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 577 587) no Hoare annotation was computed. [2018-11-18 12:30:13,482 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 587) no Hoare annotation was computed. [2018-11-18 12:30:13,482 INFO L421 ceAbstractionStarter]: At program point L583(line 583) the Hoare annotation is: (<= 12292 main_~s~0) [2018-11-18 12:30:13,482 INFO L425 ceAbstractionStarter]: For program point L583-1(line 583) no Hoare annotation was computed. [2018-11-18 12:30:13,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:30:13 BoogieIcfgContainer [2018-11-18 12:30:13,500 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 12:30:13,500 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:30:13,500 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:30:13,500 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:30:13,501 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:30:03" (3/4) ... [2018-11-18 12:30:13,504 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:30:13,510 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 12:30:13,510 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ssl3_connect [2018-11-18 12:30:13,510 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 12:30:13,518 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2018-11-18 12:30:13,520 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 12:30:13,521 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 12:30:13,550 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(initial_state) < 12292 || (blastFlag <= 0 && 12292 <= s__state) [2018-11-18 12:30:13,551 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(initial_state) < 12292 || blastFlag <= 0 [2018-11-18 12:30:13,551 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(initial_state) < 12292 || (blastFlag <= 0 && s__state == 4368)) || ((((s__s3__tmp__next_state___0 <= 4560 && blastFlag <= 0) && 4352 <= s__state) && !(s__hit == 0)) && s__state <= 4560) [2018-11-18 12:30:13,551 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(initial_state) < 12292 || ((blastFlag <= 2 && 4352 <= s__state) && s__state <= 4560) [2018-11-18 12:30:13,551 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(initial_state) < 12292 || (((blastFlag <= 2 && 4352 <= s__state) && s__state <= 4560) && s__hit == 0) [2018-11-18 12:30:13,552 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(initial_state) < 12292 || (((4352 <= s__state && blastFlag <= 4) && s__state <= 4560) && s__hit == 0) [2018-11-18 12:30:13,552 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(initial_state) < 12292 || (((4432 <= s__state && s__state <= 4560) && s__hit == 0) && blastFlag <= 4) [2018-11-18 12:30:13,552 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((s__state == 4512 && blastFlag <= 4) && s__hit == 0) || ((s__state == 4496 && blastFlag <= 4) && s__hit == 0)) || (s__hit == 0 && s__state == 4432 && blastFlag <= 4)) || ((((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 3) && s__state <= 4352) && 4352 <= s__state) && !(s__hit == 0))) || (((blastFlag <= 2 && 4560 <= s__state) && !(s__hit == 0)) && s__state <= 4560)) || (((s__state <= 3 && s__s3__tmp__next_state___0 <= 4560) && blastFlag <= 4) && 4560 <= s__s3__tmp__next_state___0)) || (blastFlag <= 0 && s__state == 4368)) || ((s__state <= 3 && s__s3__tmp__next_state___0 <= 4560) && !(s__hit == 0))) || ((blastFlag <= 4 && s__hit == 0) && s__state == 4480)) || ((s__state == 4464 && blastFlag <= 4) && s__hit == 0)) || (blastFlag <= 2 && s__state == 4528)) || (((((s__s3__tmp__next_state___0 <= 4560 && 4560 <= s__state) && blastFlag <= 4) && s__state <= 4560) && s__hit == 0) && 4560 <= s__s3__tmp__next_state___0)) || (blastFlag <= 2 && s__state == 4384)) || ((s__state == 4528 && blastFlag <= 4) && s__hit == 0)) || \old(initial_state) < 12292) || ((blastFlag <= 2 && s__state == 4400) && s__hit == 0)) || (((((s__s3__tmp__next_state___0 <= 4560 && s__state <= 4352) && 4352 <= s__state) && blastFlag <= 4) && s__hit == 0) && 4560 <= s__s3__tmp__next_state___0)) || ((s__state == 4448 && blastFlag <= 4) && s__hit == 0)) || (blastFlag <= 2 && s__state == 4512)) || ((s__state == 4416 && blastFlag <= 4) && s__hit == 0) [2018-11-18 12:30:13,552 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(initial_state) < 12292 || (((4432 <= s__state && blastFlag <= 4) && s__state <= 4560) && s__hit == 0) [2018-11-18 12:30:13,552 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(initial_state) < 12292 [2018-11-18 12:30:13,552 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(initial_state) < 12292 || (((4432 <= s__state && blastFlag <= 4) && s__state <= 4560) && s__hit == 0) [2018-11-18 12:30:13,553 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((4432 <= s__state && s__hit == 0) && blastFlag <= 4) && s__state <= 4560) || \old(initial_state) < 12292 [2018-11-18 12:30:13,553 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(initial_state) < 12292 || (((4432 <= s__state && blastFlag <= 4) && s__state <= 4560) && s__hit == 0) [2018-11-18 12:30:13,553 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(initial_state) < 12292 || (((4512 <= s__state && s__hit == 0) && blastFlag <= 4) && s__state <= 4560)) || ((blastFlag <= 2 && 4512 <= s__state) && s__state <= 4560) [2018-11-18 12:30:13,553 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(initial_state) < 12292 || (((4512 <= s__state && blastFlag <= 4) && s__state <= 4560) && s__hit == 0)) || ((blastFlag <= 2 && 4512 <= s__state) && s__state <= 4560) [2018-11-18 12:30:13,554 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(initial_state) < 12292 || (((((s__s3__tmp__next_state___0 <= 4560 && 4560 <= s__state) && blastFlag <= 4) && s__state <= 4560) && s__hit == 0) && 4560 <= s__s3__tmp__next_state___0)) || (((blastFlag <= 2 && 4560 <= s__state) && !(s__hit == 0)) && s__state <= 4560) [2018-11-18 12:30:13,554 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(initial_state) < 12292 || (((((s__s3__tmp__next_state___0 <= 4560 && s__state <= 4352) && 4352 <= s__state) && blastFlag <= 4) && 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) && !(s__hit == 0)) [2018-11-18 12:30:13,608 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5d3dab94-fbec-45d7-8739-b9bd45ec6d83/bin-2019/uautomizer/witness.graphml [2018-11-18 12:30:13,608 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:30:13,609 INFO L168 Benchmark]: Toolchain (without parser) took 10797.31 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 942.1 MB). Free memory was 952.7 MB in the beginning and 1.9 GB in the end (delta: -959.0 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-18 12:30:13,609 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:30:13,609 INFO L168 Benchmark]: CACSL2BoogieTranslator took 232.85 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 933.9 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:30:13,609 INFO L168 Benchmark]: Boogie Preprocessor took 71.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 933.9 MB in the beginning and 1.1 GB in the end (delta: -196.4 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2018-11-18 12:30:13,610 INFO L168 Benchmark]: RCFGBuilder took 439.18 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: 51.5 MB). Peak memory consumption was 51.5 MB. Max. memory is 11.5 GB. [2018-11-18 12:30:13,610 INFO L168 Benchmark]: TraceAbstraction took 9943.23 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 806.4 MB). Free memory was 1.1 GB in the beginning and 795.3 MB in the end (delta: 283.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-18 12:30:13,610 INFO L168 Benchmark]: Witness Printer took 107.87 ms. Allocated memory is still 2.0 GB. Free memory was 795.3 MB in the beginning and 1.9 GB in the end (delta: -1.1 GB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:30:13,611 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 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 232.85 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 933.9 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 933.9 MB in the beginning and 1.1 GB in the end (delta: -196.4 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 439.18 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: 51.5 MB). Peak memory consumption was 51.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9943.23 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 806.4 MB). Free memory was 1.1 GB in the beginning and 795.3 MB in the end (delta: 283.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 107.87 ms. Allocated memory is still 2.0 GB. Free memory was 795.3 MB in the beginning and 1.9 GB in the end (delta: -1.1 GB). There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 573]: 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: 162]: Loop Invariant Derived loop invariant: \old(initial_state) < 12292 || (((4432 <= s__state && blastFlag <= 4) && s__state <= 4560) && s__hit == 0) - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: (\old(initial_state) < 12292 || (((((s__s3__tmp__next_state___0 <= 4560 && 4560 <= s__state) && blastFlag <= 4) && s__state <= 4560) && s__hit == 0) && 4560 <= s__s3__tmp__next_state___0)) || (((blastFlag <= 2 && 4560 <= s__state) && !(s__hit == 0)) && s__state <= 4560) - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: \old(initial_state) < 12292 || (((4432 <= s__state && blastFlag <= 4) && s__state <= 4560) && s__hit == 0) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: \old(initial_state) < 12292 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: \old(initial_state) < 12292 || (((blastFlag <= 2 && 4352 <= s__state) && s__state <= 4560) && s__hit == 0) - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: (\old(initial_state) < 12292 || (((4512 <= s__state && blastFlag <= 4) && s__state <= 4560) && s__hit == 0)) || ((blastFlag <= 2 && 4512 <= s__state) && s__state <= 4560) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: (\old(initial_state) < 12292 || (((((s__s3__tmp__next_state___0 <= 4560 && s__state <= 4352) && 4352 <= s__state) && blastFlag <= 4) && 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) && !(s__hit == 0)) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: (\old(initial_state) < 12292 || (blastFlag <= 0 && s__state == 4368)) || ((((s__s3__tmp__next_state___0 <= 4560 && blastFlag <= 0) && 4352 <= s__state) && !(s__hit == 0)) && s__state <= 4560) - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: \old(initial_state) < 12292 || blastFlag <= 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: \old(initial_state) < 12292 || (((4432 <= s__state && blastFlag <= 4) && s__state <= 4560) && s__hit == 0) - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: \old(initial_state) < 12292 || (blastFlag <= 0 && 12292 <= s__state) - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: \old(initial_state) < 12292 || (((4432 <= s__state && s__state <= 4560) && s__hit == 0) && blastFlag <= 4) - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: \old(initial_state) < 12292 || (((4352 <= s__state && blastFlag <= 4) && s__state <= 4560) && s__hit == 0) - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: ((((((((((((((((((((s__state == 4512 && blastFlag <= 4) && s__hit == 0) || ((s__state == 4496 && blastFlag <= 4) && s__hit == 0)) || (s__hit == 0 && s__state == 4432 && blastFlag <= 4)) || ((((blastFlag <= 2 && s__s3__tmp__next_state___0 <= 3) && s__state <= 4352) && 4352 <= s__state) && !(s__hit == 0))) || (((blastFlag <= 2 && 4560 <= s__state) && !(s__hit == 0)) && s__state <= 4560)) || (((s__state <= 3 && s__s3__tmp__next_state___0 <= 4560) && blastFlag <= 4) && 4560 <= s__s3__tmp__next_state___0)) || (blastFlag <= 0 && s__state == 4368)) || ((s__state <= 3 && s__s3__tmp__next_state___0 <= 4560) && !(s__hit == 0))) || ((blastFlag <= 4 && s__hit == 0) && s__state == 4480)) || ((s__state == 4464 && blastFlag <= 4) && s__hit == 0)) || (blastFlag <= 2 && s__state == 4528)) || (((((s__s3__tmp__next_state___0 <= 4560 && 4560 <= s__state) && blastFlag <= 4) && s__state <= 4560) && s__hit == 0) && 4560 <= s__s3__tmp__next_state___0)) || (blastFlag <= 2 && s__state == 4384)) || ((s__state == 4528 && blastFlag <= 4) && s__hit == 0)) || \old(initial_state) < 12292) || ((blastFlag <= 2 && s__state == 4400) && s__hit == 0)) || (((((s__s3__tmp__next_state___0 <= 4560 && s__state <= 4352) && 4352 <= s__state) && blastFlag <= 4) && s__hit == 0) && 4560 <= s__s3__tmp__next_state___0)) || ((s__state == 4448 && blastFlag <= 4) && s__hit == 0)) || (blastFlag <= 2 && s__state == 4512)) || ((s__state == 4416 && blastFlag <= 4) && s__hit == 0) - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: (\old(initial_state) < 12292 || (((4512 <= s__state && s__hit == 0) && blastFlag <= 4) && s__state <= 4560)) || ((blastFlag <= 2 && 4512 <= s__state) && s__state <= 4560) - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: \old(initial_state) < 12292 || ((blastFlag <= 2 && 4352 <= s__state) && s__state <= 4560) - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: (((4432 <= s__state && s__hit == 0) && blastFlag <= 4) && s__state <= 4560) || \old(initial_state) < 12292 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 139 locations, 1 error locations. SAFE Result, 9.8s OverallTime, 26 OverallIterations, 21 TraceHistogramMax, 3.9s AutomataDifference, 0.0s DeadEndRemovalTime, 1.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 5351 SDtfs, 2052 SDslu, 3487 SDs, 0 SdLazy, 2777 SolverSat, 461 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1462 GetRequests, 1421 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7714occurred in iteration=22, 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: 1.4s AutomataMinimizationTime, 26 MinimizatonAttempts, 5504 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 166 NumberOfFragments, 560 HoareAnnotationTreeSize, 26 FomulaSimplifications, 18663 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 26 FomulaSimplificationsInter, 1252 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 7326 NumberOfCodeBlocks, 7326 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 7297 ConstructedInterpolants, 0 QuantifiedInterpolants, 3222042 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2453 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 29 InterpolantComputations, 25 PerfectInterpolantSequences, 29375/29424 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...