./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/ssh-simplified/s3_clnt_4_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_ef53ab8a-1767-4371-aab2-5cd98405214b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ef53ab8a-1767-4371-aab2-5cd98405214b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ef53ab8a-1767-4371-aab2-5cd98405214b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ef53ab8a-1767-4371-aab2-5cd98405214b/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ssh-simplified/s3_clnt_4_true-unreach-call_true-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ef53ab8a-1767-4371-aab2-5cd98405214b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ef53ab8a-1767-4371-aab2-5cd98405214b/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 4189574b2550552a572f663e591e000dc3f42b46 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:34:49,858 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:34:49,859 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:34:49,865 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:34:49,865 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:34:49,866 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:34:49,867 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:34:49,868 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:34:49,869 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:34:49,870 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:34:49,871 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:34:49,871 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:34:49,871 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:34:49,872 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:34:49,873 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:34:49,874 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:34:49,874 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:34:49,875 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:34:49,877 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:34:49,878 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:34:49,878 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:34:49,879 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:34:49,881 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:34:49,881 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:34:49,881 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:34:49,882 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:34:49,883 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:34:49,883 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:34:49,884 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:34:49,884 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:34:49,885 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:34:49,885 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:34:49,885 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:34:49,885 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:34:49,886 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:34:49,887 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:34:49,887 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ef53ab8a-1767-4371-aab2-5cd98405214b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 08:34:49,896 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:34:49,897 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:34:49,897 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 08:34:49,898 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 08:34:49,898 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 08:34:49,898 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 08:34:49,898 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 08:34:49,899 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:34:49,899 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:34:49,899 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:34:49,899 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:34:49,899 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:34:49,899 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 08:34:49,899 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 08:34:49,900 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 08:34:49,900 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:34:49,900 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:34:49,900 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:34:49,900 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 08:34:49,900 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:34:49,901 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 08:34:49,901 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 08:34:49,901 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 08:34:49,901 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 08:34:49,901 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:34:49,901 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 08:34:49,902 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 08:34:49,902 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 08:34:49,902 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 08:34:49,902 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 08:34:49,902 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_ef53ab8a-1767-4371-aab2-5cd98405214b/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 -> 4189574b2550552a572f663e591e000dc3f42b46 [2018-11-18 08:34:49,925 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:34:49,932 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:34:49,935 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:34:49,936 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:34:49,936 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:34:49,937 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ef53ab8a-1767-4371-aab2-5cd98405214b/bin-2019/uautomizer/../../sv-benchmarks/c/ssh-simplified/s3_clnt_4_true-unreach-call_true-termination.cil.c [2018-11-18 08:34:49,973 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ef53ab8a-1767-4371-aab2-5cd98405214b/bin-2019/uautomizer/data/860c090a6/89c70b9b9d7c4849b12605d53894d7e8/FLAG5402470cd [2018-11-18 08:34:50,399 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:34:50,400 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ef53ab8a-1767-4371-aab2-5cd98405214b/sv-benchmarks/c/ssh-simplified/s3_clnt_4_true-unreach-call_true-termination.cil.c [2018-11-18 08:34:50,407 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ef53ab8a-1767-4371-aab2-5cd98405214b/bin-2019/uautomizer/data/860c090a6/89c70b9b9d7c4849b12605d53894d7e8/FLAG5402470cd [2018-11-18 08:34:50,419 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ef53ab8a-1767-4371-aab2-5cd98405214b/bin-2019/uautomizer/data/860c090a6/89c70b9b9d7c4849b12605d53894d7e8 [2018-11-18 08:34:50,421 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:34:50,422 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 08:34:50,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:50,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:34:50,426 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:34:50,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:50" (1/1) ... [2018-11-18 08:34:50,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29ff0320 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:50, skipping insertion in model container [2018-11-18 08:34:50,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:50" (1/1) ... [2018-11-18 08:34:50,434 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:34:50,460 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:34:50,598 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:50,601 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:34:50,633 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:50,641 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:34:50,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:50 WrapperNode [2018-11-18 08:34:50,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:50,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:34:50,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:34:50,642 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:34:50,695 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:50" (1/1) ... [2018-11-18 08:34:50,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:50" (1/1) ... [2018-11-18 08:34:50,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:50" (1/1) ... [2018-11-18 08:34:50,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:50" (1/1) ... [2018-11-18 08:34:50,714 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:50" (1/1) ... [2018-11-18 08:34:50,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:50" (1/1) ... [2018-11-18 08:34:50,725 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:50" (1/1) ... [2018-11-18 08:34:50,728 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:34:50,729 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:34:50,729 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:34:50,729 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:34:50,730 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ef53ab8a-1767-4371-aab2-5cd98405214b/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 08:34:50,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 08:34:50,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:34:50,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2018-11-18 08:34:50,769 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 08:34:50,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 08:34:50,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2018-11-18 08:34:50,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 08:34:50,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2018-11-18 08:34:50,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-11-18 08:34:50,770 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2018-11-18 08:34:50,770 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 08:34:50,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 08:34:50,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:34:50,867 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 08:34:50,868 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 08:34:51,244 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:34:51,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:51 BoogieIcfgContainer [2018-11-18 08:34:51,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:34:51,244 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 08:34:51,245 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 08:34:51,247 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 08:34:51,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:34:50" (1/3) ... [2018-11-18 08:34:51,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12c74998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:34:51, skipping insertion in model container [2018-11-18 08:34:51,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:50" (2/3) ... [2018-11-18 08:34:51,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12c74998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:34:51, skipping insertion in model container [2018-11-18 08:34:51,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:51" (3/3) ... [2018-11-18 08:34:51,249 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_clnt_4_true-unreach-call_true-termination.cil.c [2018-11-18 08:34:51,256 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 08:34:51,264 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 08:34:51,274 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 08:34:51,295 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 08:34:51,295 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 08:34:51,295 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 08:34:51,296 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 08:34:51,296 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 08:34:51,296 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 08:34:51,296 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 08:34:51,296 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 08:34:51,296 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 08:34:51,312 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2018-11-18 08:34:51,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 08:34:51,317 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:51,318 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 08:34:51,319 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:51,323 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:51,324 INFO L82 PathProgramCache]: Analyzing trace with hash 171574540, now seen corresponding path program 1 times [2018-11-18 08:34:51,325 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:51,325 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:51,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:51,357 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:51,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:51,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:51,468 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 08:34:51,470 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:51,470 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:51,474 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:34:51,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:51,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:51,486 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 3 states. [2018-11-18 08:34:51,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:51,546 INFO L93 Difference]: Finished difference Result 380 states and 637 transitions. [2018-11-18 08:34:51,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:51,548 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-11-18 08:34:51,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:51,558 INFO L225 Difference]: With dead ends: 380 [2018-11-18 08:34:51,558 INFO L226 Difference]: Without dead ends: 222 [2018-11-18 08:34:51,561 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 08:34:51,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2018-11-18 08:34:51,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2018-11-18 08:34:51,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2018-11-18 08:34:51,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 328 transitions. [2018-11-18 08:34:51,601 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 328 transitions. Word has length 30 [2018-11-18 08:34:51,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:51,602 INFO L480 AbstractCegarLoop]: Abstraction has 222 states and 328 transitions. [2018-11-18 08:34:51,602 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:34:51,602 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 328 transitions. [2018-11-18 08:34:51,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 08:34:51,604 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:51,604 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 08:34:51,604 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:51,605 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:51,605 INFO L82 PathProgramCache]: Analyzing trace with hash -1775768565, now seen corresponding path program 1 times [2018-11-18 08:34:51,605 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:51,605 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:51,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:51,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:51,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:51,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:51,668 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 08:34:51,669 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:51,669 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:51,670 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:34:51,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:51,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:51,671 INFO L87 Difference]: Start difference. First operand 222 states and 328 transitions. Second operand 3 states. [2018-11-18 08:34:51,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:51,797 INFO L93 Difference]: Finished difference Result 476 states and 713 transitions. [2018-11-18 08:34:51,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:51,798 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2018-11-18 08:34:51,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:51,799 INFO L225 Difference]: With dead ends: 476 [2018-11-18 08:34:51,800 INFO L226 Difference]: Without dead ends: 266 [2018-11-18 08:34:51,801 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 08:34:51,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2018-11-18 08:34:51,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 258. [2018-11-18 08:34:51,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2018-11-18 08:34:51,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 374 transitions. [2018-11-18 08:34:51,817 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 374 transitions. Word has length 45 [2018-11-18 08:34:51,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:51,818 INFO L480 AbstractCegarLoop]: Abstraction has 258 states and 374 transitions. [2018-11-18 08:34:51,818 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:34:51,819 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 374 transitions. [2018-11-18 08:34:51,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 08:34:51,820 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:51,820 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 08:34:51,821 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:51,821 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:51,821 INFO L82 PathProgramCache]: Analyzing trace with hash 6279890, now seen corresponding path program 1 times [2018-11-18 08:34:51,821 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:51,821 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:51,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:51,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:51,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:51,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:51,870 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 08:34:51,871 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:51,871 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:51,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:34:51,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:51,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:51,872 INFO L87 Difference]: Start difference. First operand 258 states and 374 transitions. Second operand 3 states. [2018-11-18 08:34:52,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:52,032 INFO L93 Difference]: Finished difference Result 608 states and 912 transitions. [2018-11-18 08:34:52,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:52,032 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2018-11-18 08:34:52,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:52,035 INFO L225 Difference]: With dead ends: 608 [2018-11-18 08:34:52,035 INFO L226 Difference]: Without dead ends: 360 [2018-11-18 08:34:52,036 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 08:34:52,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2018-11-18 08:34:52,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 342. [2018-11-18 08:34:52,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2018-11-18 08:34:52,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 476 transitions. [2018-11-18 08:34:52,051 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 476 transitions. Word has length 63 [2018-11-18 08:34:52,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:52,052 INFO L480 AbstractCegarLoop]: Abstraction has 342 states and 476 transitions. [2018-11-18 08:34:52,052 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:34:52,052 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 476 transitions. [2018-11-18 08:34:52,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 08:34:52,055 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:52,055 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 08:34:52,055 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:52,056 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:52,056 INFO L82 PathProgramCache]: Analyzing trace with hash -127733616, now seen corresponding path program 1 times [2018-11-18 08:34:52,056 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:52,056 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:52,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:52,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:52,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:52,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:52,102 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 08:34:52,102 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:52,102 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:52,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:34:52,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:52,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:52,103 INFO L87 Difference]: Start difference. First operand 342 states and 476 transitions. Second operand 3 states. [2018-11-18 08:34:52,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:52,206 INFO L93 Difference]: Finished difference Result 724 states and 1022 transitions. [2018-11-18 08:34:52,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:52,206 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2018-11-18 08:34:52,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:52,208 INFO L225 Difference]: With dead ends: 724 [2018-11-18 08:34:52,208 INFO L226 Difference]: Without dead ends: 394 [2018-11-18 08:34:52,208 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 08:34:52,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2018-11-18 08:34:52,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 382. [2018-11-18 08:34:52,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2018-11-18 08:34:52,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 526 transitions. [2018-11-18 08:34:52,225 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 526 transitions. Word has length 63 [2018-11-18 08:34:52,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:52,225 INFO L480 AbstractCegarLoop]: Abstraction has 382 states and 526 transitions. [2018-11-18 08:34:52,225 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:34:52,225 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 526 transitions. [2018-11-18 08:34:52,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-18 08:34:52,228 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:52,228 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 08:34:52,228 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:52,228 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:52,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1202772343, now seen corresponding path program 1 times [2018-11-18 08:34:52,229 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:52,229 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:52,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:52,230 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:52,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:52,283 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 08:34:52,283 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:52,283 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:52,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:34:52,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:52,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:52,284 INFO L87 Difference]: Start difference. First operand 382 states and 526 transitions. Second operand 3 states. [2018-11-18 08:34:52,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:52,423 INFO L93 Difference]: Finished difference Result 860 states and 1222 transitions. [2018-11-18 08:34:52,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:52,424 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2018-11-18 08:34:52,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:52,426 INFO L225 Difference]: With dead ends: 860 [2018-11-18 08:34:52,426 INFO L226 Difference]: Without dead ends: 488 [2018-11-18 08:34:52,427 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 08:34:52,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2018-11-18 08:34:52,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 462. [2018-11-18 08:34:52,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2018-11-18 08:34:52,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 662 transitions. [2018-11-18 08:34:52,438 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 662 transitions. Word has length 77 [2018-11-18 08:34:52,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:52,439 INFO L480 AbstractCegarLoop]: Abstraction has 462 states and 662 transitions. [2018-11-18 08:34:52,439 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:34:52,439 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 662 transitions. [2018-11-18 08:34:52,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-18 08:34:52,440 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:52,440 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 08:34:52,440 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:52,440 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:52,441 INFO L82 PathProgramCache]: Analyzing trace with hash 145332238, now seen corresponding path program 1 times [2018-11-18 08:34:52,441 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:52,441 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:52,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:52,441 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:52,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:52,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:52,484 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 08:34:52,484 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:52,484 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:52,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:34:52,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:52,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:52,485 INFO L87 Difference]: Start difference. First operand 462 states and 662 transitions. Second operand 3 states. [2018-11-18 08:34:52,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:52,583 INFO L93 Difference]: Finished difference Result 962 states and 1387 transitions. [2018-11-18 08:34:52,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:52,584 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2018-11-18 08:34:52,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:52,586 INFO L225 Difference]: With dead ends: 962 [2018-11-18 08:34:52,586 INFO L226 Difference]: Without dead ends: 512 [2018-11-18 08:34:52,587 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 08:34:52,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2018-11-18 08:34:52,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 506. [2018-11-18 08:34:52,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 506 states. [2018-11-18 08:34:52,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 716 transitions. [2018-11-18 08:34:52,601 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 716 transitions. Word has length 81 [2018-11-18 08:34:52,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:52,601 INFO L480 AbstractCegarLoop]: Abstraction has 506 states and 716 transitions. [2018-11-18 08:34:52,601 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:34:52,601 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 716 transitions. [2018-11-18 08:34:52,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 08:34:52,603 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:52,603 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 08:34:52,603 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:52,603 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:52,604 INFO L82 PathProgramCache]: Analyzing trace with hash -718630428, now seen corresponding path program 1 times [2018-11-18 08:34:52,604 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:52,604 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:52,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:52,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:52,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:52,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:52,668 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 08:34:52,668 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:52,668 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:52,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:34:52,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:52,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:52,669 INFO L87 Difference]: Start difference. First operand 506 states and 716 transitions. Second operand 3 states. [2018-11-18 08:34:52,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:52,785 INFO L93 Difference]: Finished difference Result 1106 states and 1590 transitions. [2018-11-18 08:34:52,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:52,785 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2018-11-18 08:34:52,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:52,789 INFO L225 Difference]: With dead ends: 1106 [2018-11-18 08:34:52,789 INFO L226 Difference]: Without dead ends: 608 [2018-11-18 08:34:52,790 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 08:34:52,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2018-11-18 08:34:52,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 588. [2018-11-18 08:34:52,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 588 states. [2018-11-18 08:34:52,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 816 transitions. [2018-11-18 08:34:52,805 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 816 transitions. Word has length 102 [2018-11-18 08:34:52,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:52,805 INFO L480 AbstractCegarLoop]: Abstraction has 588 states and 816 transitions. [2018-11-18 08:34:52,805 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:34:52,805 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 816 transitions. [2018-11-18 08:34:52,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 08:34:52,807 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:52,807 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 08:34:52,807 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:52,807 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:52,808 INFO L82 PathProgramCache]: Analyzing trace with hash -852643934, now seen corresponding path program 1 times [2018-11-18 08:34:52,808 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:52,808 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:52,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:52,808 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:52,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:52,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:52,855 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 08:34:52,855 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:52,855 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:52,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:34:52,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:52,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:52,856 INFO L87 Difference]: Start difference. First operand 588 states and 816 transitions. Second operand 3 states. [2018-11-18 08:34:52,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:52,881 INFO L93 Difference]: Finished difference Result 1612 states and 2266 transitions. [2018-11-18 08:34:52,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:52,882 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2018-11-18 08:34:52,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:52,885 INFO L225 Difference]: With dead ends: 1612 [2018-11-18 08:34:52,885 INFO L226 Difference]: Without dead ends: 1036 [2018-11-18 08:34:52,887 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 08:34:52,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2018-11-18 08:34:52,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 1034. [2018-11-18 08:34:52,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1034 states. [2018-11-18 08:34:52,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1459 transitions. [2018-11-18 08:34:52,910 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1459 transitions. Word has length 102 [2018-11-18 08:34:52,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:52,910 INFO L480 AbstractCegarLoop]: Abstraction has 1034 states and 1459 transitions. [2018-11-18 08:34:52,910 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:34:52,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1459 transitions. [2018-11-18 08:34:52,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 08:34:52,912 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:52,912 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 08:34:52,913 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:52,913 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:52,913 INFO L82 PathProgramCache]: Analyzing trace with hash -1021046662, now seen corresponding path program 1 times [2018-11-18 08:34:52,913 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:52,913 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:52,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:52,914 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:52,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:52,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:52,946 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 08:34:52,946 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:52,946 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:52,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:34:52,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:52,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:52,947 INFO L87 Difference]: Start difference. First operand 1034 states and 1459 transitions. Second operand 3 states. [2018-11-18 08:34:52,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:52,984 INFO L93 Difference]: Finished difference Result 2056 states and 2912 transitions. [2018-11-18 08:34:52,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:52,985 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2018-11-18 08:34:52,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:52,989 INFO L225 Difference]: With dead ends: 2056 [2018-11-18 08:34:52,989 INFO L226 Difference]: Without dead ends: 1544 [2018-11-18 08:34:52,991 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 08:34:52,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1544 states. [2018-11-18 08:34:53,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1544 to 1544. [2018-11-18 08:34:53,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1544 states. [2018-11-18 08:34:53,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 1544 states and 2179 transitions. [2018-11-18 08:34:53,024 INFO L78 Accepts]: Start accepts. Automaton has 1544 states and 2179 transitions. Word has length 102 [2018-11-18 08:34:53,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:53,024 INFO L480 AbstractCegarLoop]: Abstraction has 1544 states and 2179 transitions. [2018-11-18 08:34:53,024 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:34:53,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1544 states and 2179 transitions. [2018-11-18 08:34:53,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 08:34:53,026 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:53,027 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 08:34:53,027 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:53,027 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:53,027 INFO L82 PathProgramCache]: Analyzing trace with hash 152232873, now seen corresponding path program 1 times [2018-11-18 08:34:53,027 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:53,027 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:53,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:53,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:53,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:53,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:53,076 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 08:34:53,076 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:53,076 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:53,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:34:53,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:53,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:53,077 INFO L87 Difference]: Start difference. First operand 1544 states and 2179 transitions. Second operand 3 states. [2018-11-18 08:34:53,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:53,133 INFO L93 Difference]: Finished difference Result 2056 states and 2906 transitions. [2018-11-18 08:34:53,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:53,134 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2018-11-18 08:34:53,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:53,140 INFO L225 Difference]: With dead ends: 2056 [2018-11-18 08:34:53,140 INFO L226 Difference]: Without dead ends: 2054 [2018-11-18 08:34:53,141 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 08:34:53,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2054 states. [2018-11-18 08:34:53,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2054 to 2054. [2018-11-18 08:34:53,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2054 states. [2018-11-18 08:34:53,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2054 states to 2054 states and 2903 transitions. [2018-11-18 08:34:53,184 INFO L78 Accepts]: Start accepts. Automaton has 2054 states and 2903 transitions. Word has length 104 [2018-11-18 08:34:53,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:53,185 INFO L480 AbstractCegarLoop]: Abstraction has 2054 states and 2903 transitions. [2018-11-18 08:34:53,185 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:34:53,185 INFO L276 IsEmpty]: Start isEmpty. Operand 2054 states and 2903 transitions. [2018-11-18 08:34:53,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-18 08:34:53,189 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:53,189 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:53,189 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:53,189 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:53,190 INFO L82 PathProgramCache]: Analyzing trace with hash -1773369778, now seen corresponding path program 1 times [2018-11-18 08:34:53,190 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:53,190 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:53,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:53,190 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:53,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:53,229 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 199 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-11-18 08:34:53,229 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:53,229 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:53,229 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:34:53,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:53,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:53,230 INFO L87 Difference]: Start difference. First operand 2054 states and 2903 transitions. Second operand 3 states. [2018-11-18 08:34:53,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:53,408 INFO L93 Difference]: Finished difference Result 4504 states and 6470 transitions. [2018-11-18 08:34:53,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:53,408 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2018-11-18 08:34:53,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:53,415 INFO L225 Difference]: With dead ends: 4504 [2018-11-18 08:34:53,416 INFO L226 Difference]: Without dead ends: 2446 [2018-11-18 08:34:53,419 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 08:34:53,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2446 states. [2018-11-18 08:34:53,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2446 to 2334. [2018-11-18 08:34:53,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2334 states. [2018-11-18 08:34:53,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2334 states to 2334 states and 3319 transitions. [2018-11-18 08:34:53,474 INFO L78 Accepts]: Start accepts. Automaton has 2334 states and 3319 transitions. Word has length 146 [2018-11-18 08:34:53,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:53,474 INFO L480 AbstractCegarLoop]: Abstraction has 2334 states and 3319 transitions. [2018-11-18 08:34:53,474 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:34:53,474 INFO L276 IsEmpty]: Start isEmpty. Operand 2334 states and 3319 transitions. [2018-11-18 08:34:53,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-18 08:34:53,479 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:53,479 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 4, 4, 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 08:34:53,479 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:53,479 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:53,479 INFO L82 PathProgramCache]: Analyzing trace with hash -529878549, now seen corresponding path program 1 times [2018-11-18 08:34:53,479 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:53,479 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:53,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:53,480 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:53,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:53,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:53,545 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 274 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-18 08:34:53,545 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:53,545 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:53,545 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:34:53,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:53,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:53,546 INFO L87 Difference]: Start difference. First operand 2334 states and 3319 transitions. Second operand 3 states. [2018-11-18 08:34:53,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:53,655 INFO L93 Difference]: Finished difference Result 4874 states and 6889 transitions. [2018-11-18 08:34:53,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:53,655 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 183 [2018-11-18 08:34:53,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:53,662 INFO L225 Difference]: With dead ends: 4874 [2018-11-18 08:34:53,662 INFO L226 Difference]: Without dead ends: 2552 [2018-11-18 08:34:53,666 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 08:34:53,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2552 states. [2018-11-18 08:34:53,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2552 to 2526. [2018-11-18 08:34:53,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2526 states. [2018-11-18 08:34:53,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2526 states to 2526 states and 3551 transitions. [2018-11-18 08:34:53,715 INFO L78 Accepts]: Start accepts. Automaton has 2526 states and 3551 transitions. Word has length 183 [2018-11-18 08:34:53,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:53,715 INFO L480 AbstractCegarLoop]: Abstraction has 2526 states and 3551 transitions. [2018-11-18 08:34:53,715 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:34:53,715 INFO L276 IsEmpty]: Start isEmpty. Operand 2526 states and 3551 transitions. [2018-11-18 08:34:53,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-11-18 08:34:53,720 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:53,720 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 7, 7, 5, 5, 3, 3, 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 08:34:53,720 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:53,720 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:53,720 INFO L82 PathProgramCache]: Analyzing trace with hash -757521861, now seen corresponding path program 1 times [2018-11-18 08:34:53,720 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:53,720 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:53,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:53,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:53,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:53,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:53,791 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 346 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2018-11-18 08:34:53,792 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:53,792 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:53,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:34:53,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:53,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:53,793 INFO L87 Difference]: Start difference. First operand 2526 states and 3551 transitions. Second operand 3 states. [2018-11-18 08:34:53,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:53,904 INFO L93 Difference]: Finished difference Result 5272 states and 7390 transitions. [2018-11-18 08:34:53,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:53,905 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 205 [2018-11-18 08:34:53,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:53,912 INFO L225 Difference]: With dead ends: 5272 [2018-11-18 08:34:53,912 INFO L226 Difference]: Without dead ends: 2758 [2018-11-18 08:34:53,916 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 08:34:53,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2758 states. [2018-11-18 08:34:53,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2758 to 2734. [2018-11-18 08:34:53,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2734 states. [2018-11-18 08:34:53,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2734 states to 2734 states and 3799 transitions. [2018-11-18 08:34:53,966 INFO L78 Accepts]: Start accepts. Automaton has 2734 states and 3799 transitions. Word has length 205 [2018-11-18 08:34:53,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:53,966 INFO L480 AbstractCegarLoop]: Abstraction has 2734 states and 3799 transitions. [2018-11-18 08:34:53,966 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:34:53,966 INFO L276 IsEmpty]: Start isEmpty. Operand 2734 states and 3799 transitions. [2018-11-18 08:34:53,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-18 08:34:53,971 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:53,971 INFO L375 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 8, 6, 6, 4, 4, 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 08:34:53,972 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:53,972 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:53,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1415964870, now seen corresponding path program 1 times [2018-11-18 08:34:53,972 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:53,972 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:53,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:53,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:53,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:54,059 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 418 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2018-11-18 08:34:54,059 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:54,059 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:54,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:34:54,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:54,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:54,060 INFO L87 Difference]: Start difference. First operand 2734 states and 3799 transitions. Second operand 3 states. [2018-11-18 08:34:54,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:54,176 INFO L93 Difference]: Finished difference Result 5704 states and 7910 transitions. [2018-11-18 08:34:54,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:54,177 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 230 [2018-11-18 08:34:54,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:54,185 INFO L225 Difference]: With dead ends: 5704 [2018-11-18 08:34:54,186 INFO L226 Difference]: Without dead ends: 2982 [2018-11-18 08:34:54,190 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 08:34:54,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2982 states. [2018-11-18 08:34:54,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2982 to 2966. [2018-11-18 08:34:54,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2966 states. [2018-11-18 08:34:54,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2966 states to 2966 states and 4071 transitions. [2018-11-18 08:34:54,242 INFO L78 Accepts]: Start accepts. Automaton has 2966 states and 4071 transitions. Word has length 230 [2018-11-18 08:34:54,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:54,242 INFO L480 AbstractCegarLoop]: Abstraction has 2966 states and 4071 transitions. [2018-11-18 08:34:54,242 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:34:54,242 INFO L276 IsEmpty]: Start isEmpty. Operand 2966 states and 4071 transitions. [2018-11-18 08:34:54,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-18 08:34:54,247 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:54,247 INFO L375 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 8, 6, 6, 4, 4, 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 08:34:54,248 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:54,248 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:54,248 INFO L82 PathProgramCache]: Analyzing trace with hash 845608380, now seen corresponding path program 1 times [2018-11-18 08:34:54,248 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:54,248 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:54,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:54,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:54,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:54,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:54,326 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 418 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2018-11-18 08:34:54,327 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:54,327 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:54,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:34:54,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:54,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:54,327 INFO L87 Difference]: Start difference. First operand 2966 states and 4071 transitions. Second operand 3 states. [2018-11-18 08:34:54,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:54,455 INFO L93 Difference]: Finished difference Result 6200 states and 8526 transitions. [2018-11-18 08:34:54,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:54,456 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 230 [2018-11-18 08:34:54,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:54,465 INFO L225 Difference]: With dead ends: 6200 [2018-11-18 08:34:54,465 INFO L226 Difference]: Without dead ends: 3246 [2018-11-18 08:34:54,469 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 08:34:54,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3246 states. [2018-11-18 08:34:54,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3246 to 3222. [2018-11-18 08:34:54,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3222 states. [2018-11-18 08:34:54,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3222 states to 3222 states and 4367 transitions. [2018-11-18 08:34:54,525 INFO L78 Accepts]: Start accepts. Automaton has 3222 states and 4367 transitions. Word has length 230 [2018-11-18 08:34:54,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:54,526 INFO L480 AbstractCegarLoop]: Abstraction has 3222 states and 4367 transitions. [2018-11-18 08:34:54,526 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:34:54,526 INFO L276 IsEmpty]: Start isEmpty. Operand 3222 states and 4367 transitions. [2018-11-18 08:34:54,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-11-18 08:34:54,531 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:54,531 INFO L375 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:34:54,532 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:54,532 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:54,532 INFO L82 PathProgramCache]: Analyzing trace with hash 97714442, now seen corresponding path program 1 times [2018-11-18 08:34:54,532 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:54,532 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:54,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:54,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:54,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:54,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:54,634 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 539 proven. 0 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2018-11-18 08:34:54,634 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:54,634 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:54,636 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:34:54,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:54,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:54,636 INFO L87 Difference]: Start difference. First operand 3222 states and 4367 transitions. Second operand 3 states. [2018-11-18 08:34:54,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:54,689 INFO L93 Difference]: Finished difference Result 9346 states and 12637 transitions. [2018-11-18 08:34:54,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:54,690 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 261 [2018-11-18 08:34:54,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:54,703 INFO L225 Difference]: With dead ends: 9346 [2018-11-18 08:34:54,703 INFO L226 Difference]: Without dead ends: 6136 [2018-11-18 08:34:54,707 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 08:34:54,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6136 states. [2018-11-18 08:34:54,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6136 to 6134. [2018-11-18 08:34:54,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6134 states. [2018-11-18 08:34:54,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6134 states to 6134 states and 8277 transitions. [2018-11-18 08:34:54,775 INFO L78 Accepts]: Start accepts. Automaton has 6134 states and 8277 transitions. Word has length 261 [2018-11-18 08:34:54,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:54,776 INFO L480 AbstractCegarLoop]: Abstraction has 6134 states and 8277 transitions. [2018-11-18 08:34:54,776 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:34:54,776 INFO L276 IsEmpty]: Start isEmpty. Operand 6134 states and 8277 transitions. [2018-11-18 08:34:54,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-11-18 08:34:54,781 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:54,782 INFO L375 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:34:54,782 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:54,782 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:54,782 INFO L82 PathProgramCache]: Analyzing trace with hash -1935679604, now seen corresponding path program 1 times [2018-11-18 08:34:54,782 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:54,782 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:54,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:54,783 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:54,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:54,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:54,830 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 496 proven. 0 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2018-11-18 08:34:54,831 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:54,831 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:54,831 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:34:54,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:54,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:54,832 INFO L87 Difference]: Start difference. First operand 6134 states and 8277 transitions. Second operand 3 states. [2018-11-18 08:34:54,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:54,948 INFO L93 Difference]: Finished difference Result 12864 states and 17242 transitions. [2018-11-18 08:34:54,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:54,949 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 261 [2018-11-18 08:34:54,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:54,962 INFO L225 Difference]: With dead ends: 12864 [2018-11-18 08:34:54,962 INFO L226 Difference]: Without dead ends: 6742 [2018-11-18 08:34:54,968 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 08:34:54,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6742 states. [2018-11-18 08:34:55,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6742 to 6710. [2018-11-18 08:34:55,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6710 states. [2018-11-18 08:34:55,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6710 states to 6710 states and 8933 transitions. [2018-11-18 08:34:55,039 INFO L78 Accepts]: Start accepts. Automaton has 6710 states and 8933 transitions. Word has length 261 [2018-11-18 08:34:55,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:55,039 INFO L480 AbstractCegarLoop]: Abstraction has 6710 states and 8933 transitions. [2018-11-18 08:34:55,039 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:34:55,039 INFO L276 IsEmpty]: Start isEmpty. Operand 6710 states and 8933 transitions. [2018-11-18 08:34:55,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-11-18 08:34:55,045 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:55,046 INFO L375 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:34:55,046 INFO L423 AbstractCegarLoop]: === Iteration 18 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:55,046 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:55,046 INFO L82 PathProgramCache]: Analyzing trace with hash 258218028, now seen corresponding path program 1 times [2018-11-18 08:34:55,046 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:55,046 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:55,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:55,047 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:55,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:55,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:55,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1023 backedges. 570 proven. 0 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2018-11-18 08:34:55,150 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:55,150 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:55,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:34:55,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:55,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:55,151 INFO L87 Difference]: Start difference. First operand 6710 states and 8933 transitions. Second operand 3 states. [2018-11-18 08:34:55,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:55,295 INFO L93 Difference]: Finished difference Result 13432 states and 17866 transitions. [2018-11-18 08:34:55,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:55,295 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 286 [2018-11-18 08:34:55,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:55,305 INFO L225 Difference]: With dead ends: 13432 [2018-11-18 08:34:55,305 INFO L226 Difference]: Without dead ends: 6734 [2018-11-18 08:34:55,312 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 08:34:55,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6734 states. [2018-11-18 08:34:55,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6734 to 6702. [2018-11-18 08:34:55,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6702 states. [2018-11-18 08:34:55,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6702 states to 6702 states and 8829 transitions. [2018-11-18 08:34:55,383 INFO L78 Accepts]: Start accepts. Automaton has 6702 states and 8829 transitions. Word has length 286 [2018-11-18 08:34:55,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:55,384 INFO L480 AbstractCegarLoop]: Abstraction has 6702 states and 8829 transitions. [2018-11-18 08:34:55,384 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:34:55,384 INFO L276 IsEmpty]: Start isEmpty. Operand 6702 states and 8829 transitions. [2018-11-18 08:34:55,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-11-18 08:34:55,390 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:55,390 INFO L375 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:34:55,390 INFO L423 AbstractCegarLoop]: === Iteration 19 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:55,391 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:55,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1080231137, now seen corresponding path program 1 times [2018-11-18 08:34:55,391 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:55,391 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:55,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:55,391 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:55,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:55,446 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 456 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2018-11-18 08:34:55,446 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:55,446 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:55,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:34:55,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:55,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:55,447 INFO L87 Difference]: Start difference. First operand 6702 states and 8829 transitions. Second operand 3 states. [2018-11-18 08:34:55,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:55,585 INFO L93 Difference]: Finished difference Result 14208 states and 19002 transitions. [2018-11-18 08:34:55,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:55,586 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 297 [2018-11-18 08:34:55,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:55,594 INFO L225 Difference]: With dead ends: 14208 [2018-11-18 08:34:55,594 INFO L226 Difference]: Without dead ends: 7518 [2018-11-18 08:34:55,601 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 08:34:55,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7518 states. [2018-11-18 08:34:55,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7518 to 7342. [2018-11-18 08:34:55,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7342 states. [2018-11-18 08:34:55,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7342 states to 7342 states and 9581 transitions. [2018-11-18 08:34:55,673 INFO L78 Accepts]: Start accepts. Automaton has 7342 states and 9581 transitions. Word has length 297 [2018-11-18 08:34:55,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:55,674 INFO L480 AbstractCegarLoop]: Abstraction has 7342 states and 9581 transitions. [2018-11-18 08:34:55,674 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:34:55,674 INFO L276 IsEmpty]: Start isEmpty. Operand 7342 states and 9581 transitions. [2018-11-18 08:34:55,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-11-18 08:34:55,681 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:55,681 INFO L375 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:34:55,681 INFO L423 AbstractCegarLoop]: === Iteration 20 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:55,681 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:55,681 INFO L82 PathProgramCache]: Analyzing trace with hash -836254489, now seen corresponding path program 1 times [2018-11-18 08:34:55,682 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:55,682 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:55,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:55,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:55,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:55,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:55,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 520 proven. 0 refuted. 0 times theorem prover too weak. 609 trivial. 0 not checked. [2018-11-18 08:34:55,779 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:55,779 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:55,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:34:55,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:55,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:55,780 INFO L87 Difference]: Start difference. First operand 7342 states and 9581 transitions. Second operand 3 states. [2018-11-18 08:34:55,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:55,930 INFO L93 Difference]: Finished difference Result 15496 states and 20114 transitions. [2018-11-18 08:34:55,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:55,931 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 312 [2018-11-18 08:34:55,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:55,940 INFO L225 Difference]: With dead ends: 15496 [2018-11-18 08:34:55,940 INFO L226 Difference]: Without dead ends: 8166 [2018-11-18 08:34:55,948 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 08:34:55,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8166 states. [2018-11-18 08:34:56,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8166 to 7590. [2018-11-18 08:34:56,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7590 states. [2018-11-18 08:34:56,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7590 states to 7590 states and 9877 transitions. [2018-11-18 08:34:56,028 INFO L78 Accepts]: Start accepts. Automaton has 7590 states and 9877 transitions. Word has length 312 [2018-11-18 08:34:56,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:56,029 INFO L480 AbstractCegarLoop]: Abstraction has 7590 states and 9877 transitions. [2018-11-18 08:34:56,029 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:34:56,029 INFO L276 IsEmpty]: Start isEmpty. Operand 7590 states and 9877 transitions. [2018-11-18 08:34:56,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-11-18 08:34:56,036 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:56,036 INFO L375 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:34:56,036 INFO L423 AbstractCegarLoop]: === Iteration 21 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:56,036 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:56,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1454941809, now seen corresponding path program 1 times [2018-11-18 08:34:56,037 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:56,037 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:56,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:56,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:56,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:56,110 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 650 proven. 0 refuted. 0 times theorem prover too weak. 479 trivial. 0 not checked. [2018-11-18 08:34:56,110 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:56,110 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:56,110 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:34:56,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:56,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:56,111 INFO L87 Difference]: Start difference. First operand 7590 states and 9877 transitions. Second operand 3 states. [2018-11-18 08:34:56,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:56,171 INFO L93 Difference]: Finished difference Result 12016 states and 15592 transitions. [2018-11-18 08:34:56,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:56,172 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 313 [2018-11-18 08:34:56,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:56,181 INFO L225 Difference]: With dead ends: 12016 [2018-11-18 08:34:56,181 INFO L226 Difference]: Without dead ends: 8142 [2018-11-18 08:34:56,185 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 08:34:56,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8142 states. [2018-11-18 08:34:56,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8142 to 8140. [2018-11-18 08:34:56,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8140 states. [2018-11-18 08:34:56,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8140 states to 8140 states and 10560 transitions. [2018-11-18 08:34:56,279 INFO L78 Accepts]: Start accepts. Automaton has 8140 states and 10560 transitions. Word has length 313 [2018-11-18 08:34:56,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:56,279 INFO L480 AbstractCegarLoop]: Abstraction has 8140 states and 10560 transitions. [2018-11-18 08:34:56,279 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:34:56,279 INFO L276 IsEmpty]: Start isEmpty. Operand 8140 states and 10560 transitions. [2018-11-18 08:34:56,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-11-18 08:34:56,288 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:56,288 INFO L375 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:34:56,288 INFO L423 AbstractCegarLoop]: === Iteration 22 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:56,288 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:56,288 INFO L82 PathProgramCache]: Analyzing trace with hash -1768709470, now seen corresponding path program 1 times [2018-11-18 08:34:56,288 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:56,289 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:56,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:56,289 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:56,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:56,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 648 proven. 0 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2018-11-18 08:34:56,407 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:56,408 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:56,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:34:56,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:56,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:56,408 INFO L87 Difference]: Start difference. First operand 8140 states and 10560 transitions. Second operand 3 states. [2018-11-18 08:34:56,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:56,551 INFO L93 Difference]: Finished difference Result 15823 states and 20507 transitions. [2018-11-18 08:34:56,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:56,553 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 314 [2018-11-18 08:34:56,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:56,562 INFO L225 Difference]: With dead ends: 15823 [2018-11-18 08:34:56,562 INFO L226 Difference]: Without dead ends: 8143 [2018-11-18 08:34:56,569 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 08:34:56,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8143 states. [2018-11-18 08:34:56,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8143 to 8109. [2018-11-18 08:34:56,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8109 states. [2018-11-18 08:34:56,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8109 states to 8109 states and 10456 transitions. [2018-11-18 08:34:56,649 INFO L78 Accepts]: Start accepts. Automaton has 8109 states and 10456 transitions. Word has length 314 [2018-11-18 08:34:56,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:56,649 INFO L480 AbstractCegarLoop]: Abstraction has 8109 states and 10456 transitions. [2018-11-18 08:34:56,649 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:34:56,650 INFO L276 IsEmpty]: Start isEmpty. Operand 8109 states and 10456 transitions. [2018-11-18 08:34:56,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2018-11-18 08:34:56,657 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:56,657 INFO L375 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:34:56,657 INFO L423 AbstractCegarLoop]: === Iteration 23 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:56,657 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:56,657 INFO L82 PathProgramCache]: Analyzing trace with hash -1928129264, now seen corresponding path program 1 times [2018-11-18 08:34:56,657 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:56,657 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:56,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:56,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:56,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:56,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:56,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1271 backedges. 677 proven. 15 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2018-11-18 08:34:56,729 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:34:56,729 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ef53ab8a-1767-4371-aab2-5cd98405214b/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 08:34:56,737 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:56,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:56,801 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:34:56,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1271 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 1163 trivial. 0 not checked. [2018-11-18 08:34:56,906 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 08:34:56,906 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2018-11-18 08:34:56,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 08:34:56,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 08:34:56,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 08:34:56,907 INFO L87 Difference]: Start difference. First operand 8109 states and 10456 transitions. Second operand 7 states. [2018-11-18 08:34:57,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:57,325 INFO L93 Difference]: Finished difference Result 17821 states and 22858 transitions. [2018-11-18 08:34:57,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 08:34:57,326 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 337 [2018-11-18 08:34:57,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:57,334 INFO L225 Difference]: With dead ends: 17821 [2018-11-18 08:34:57,334 INFO L226 Difference]: Without dead ends: 9688 [2018-11-18 08:34:57,339 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 339 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 08:34:57,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9688 states. [2018-11-18 08:34:57,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9688 to 8257. [2018-11-18 08:34:57,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8257 states. [2018-11-18 08:34:57,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8257 states to 8257 states and 10466 transitions. [2018-11-18 08:34:57,440 INFO L78 Accepts]: Start accepts. Automaton has 8257 states and 10466 transitions. Word has length 337 [2018-11-18 08:34:57,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:57,441 INFO L480 AbstractCegarLoop]: Abstraction has 8257 states and 10466 transitions. [2018-11-18 08:34:57,441 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 08:34:57,441 INFO L276 IsEmpty]: Start isEmpty. Operand 8257 states and 10466 transitions. [2018-11-18 08:34:57,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2018-11-18 08:34:57,449 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:57,449 INFO L375 BasicCegarLoop]: trace histogram [15, 15, 15, 14, 14, 13, 13, 13, 13, 13, 12, 12, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:34:57,450 INFO L423 AbstractCegarLoop]: === Iteration 24 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:57,450 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:57,450 INFO L82 PathProgramCache]: Analyzing trace with hash -1051762384, now seen corresponding path program 1 times [2018-11-18 08:34:57,450 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:57,450 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:57,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:57,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:57,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:57,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:57,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1437 backedges. 770 proven. 6 refuted. 0 times theorem prover too weak. 661 trivial. 0 not checked. [2018-11-18 08:34:57,538 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:34:57,538 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ef53ab8a-1767-4371-aab2-5cd98405214b/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 08:34:57,547 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:57,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:57,606 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:34:57,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1437 backedges. 535 proven. 0 refuted. 0 times theorem prover too weak. 902 trivial. 0 not checked. [2018-11-18 08:34:57,679 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 08:34:57,680 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-11-18 08:34:57,680 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 08:34:57,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 08:34:57,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-18 08:34:57,681 INFO L87 Difference]: Start difference. First operand 8257 states and 10466 transitions. Second operand 5 states. [2018-11-18 08:34:57,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:57,936 INFO L93 Difference]: Finished difference Result 16983 states and 21044 transitions. [2018-11-18 08:34:57,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 08:34:57,937 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 365 [2018-11-18 08:34:57,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:57,946 INFO L225 Difference]: With dead ends: 16983 [2018-11-18 08:34:57,947 INFO L226 Difference]: Without dead ends: 8737 [2018-11-18 08:34:57,953 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 367 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 08:34:57,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8737 states. [2018-11-18 08:34:58,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8737 to 7225. [2018-11-18 08:34:58,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7225 states. [2018-11-18 08:34:58,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7225 states to 7225 states and 8769 transitions. [2018-11-18 08:34:58,054 INFO L78 Accepts]: Start accepts. Automaton has 7225 states and 8769 transitions. Word has length 365 [2018-11-18 08:34:58,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:58,054 INFO L480 AbstractCegarLoop]: Abstraction has 7225 states and 8769 transitions. [2018-11-18 08:34:58,054 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 08:34:58,054 INFO L276 IsEmpty]: Start isEmpty. Operand 7225 states and 8769 transitions. [2018-11-18 08:34:58,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2018-11-18 08:34:58,063 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:58,064 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:34:58,064 INFO L423 AbstractCegarLoop]: === Iteration 25 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:58,064 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:58,064 INFO L82 PathProgramCache]: Analyzing trace with hash -68147695, now seen corresponding path program 1 times [2018-11-18 08:34:58,064 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:58,064 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:58,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:58,065 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:58,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:58,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:58,241 INFO L134 CoverageAnalysis]: Checked inductivity of 2125 backedges. 964 proven. 0 refuted. 0 times theorem prover too weak. 1161 trivial. 0 not checked. [2018-11-18 08:34:58,241 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:34:58,241 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:34:58,241 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:34:58,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:34:58,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:34:58,242 INFO L87 Difference]: Start difference. First operand 7225 states and 8769 transitions. Second operand 3 states. [2018-11-18 08:34:58,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:58,548 INFO L93 Difference]: Finished difference Result 13114 states and 15826 transitions. [2018-11-18 08:34:58,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:34:58,548 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 438 [2018-11-18 08:34:58,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:58,554 INFO L225 Difference]: With dead ends: 13114 [2018-11-18 08:34:58,554 INFO L226 Difference]: Without dead ends: 3625 [2018-11-18 08:34:58,562 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 08:34:58,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3625 states. [2018-11-18 08:34:58,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3625 to 3550. [2018-11-18 08:34:58,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3550 states. [2018-11-18 08:34:58,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3550 states to 3550 states and 4361 transitions. [2018-11-18 08:34:58,631 INFO L78 Accepts]: Start accepts. Automaton has 3550 states and 4361 transitions. Word has length 438 [2018-11-18 08:34:58,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:58,631 INFO L480 AbstractCegarLoop]: Abstraction has 3550 states and 4361 transitions. [2018-11-18 08:34:58,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:34:58,631 INFO L276 IsEmpty]: Start isEmpty. Operand 3550 states and 4361 transitions. [2018-11-18 08:34:58,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2018-11-18 08:34:58,642 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:34:58,642 INFO L375 BasicCegarLoop]: trace histogram [18, 18, 18, 17, 17, 17, 17, 17, 17, 17, 16, 16, 15, 15, 13, 13, 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, 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] [2018-11-18 08:34:58,642 INFO L423 AbstractCegarLoop]: === Iteration 26 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:34:58,642 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:34:58,643 INFO L82 PathProgramCache]: Analyzing trace with hash -2081473004, now seen corresponding path program 1 times [2018-11-18 08:34:58,643 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:34:58,643 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:34:58,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:58,644 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:58,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:34:58,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:58,821 INFO L134 CoverageAnalysis]: Checked inductivity of 2656 backedges. 1573 proven. 15 refuted. 0 times theorem prover too weak. 1068 trivial. 0 not checked. [2018-11-18 08:34:58,821 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:34:58,821 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ef53ab8a-1767-4371-aab2-5cd98405214b/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 08:34:58,832 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:34:58,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:34:58,933 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:34:59,086 INFO L134 CoverageAnalysis]: Checked inductivity of 2656 backedges. 1573 proven. 15 refuted. 0 times theorem prover too weak. 1068 trivial. 0 not checked. [2018-11-18 08:34:59,112 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 08:34:59,112 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-11-18 08:34:59,113 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 08:34:59,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 08:34:59,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 08:34:59,113 INFO L87 Difference]: Start difference. First operand 3550 states and 4361 transitions. Second operand 4 states. [2018-11-18 08:34:59,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:34:59,326 INFO L93 Difference]: Finished difference Result 4059 states and 4999 transitions. [2018-11-18 08:34:59,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 08:34:59,327 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 505 [2018-11-18 08:34:59,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:34:59,327 INFO L225 Difference]: With dead ends: 4059 [2018-11-18 08:34:59,327 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 08:34:59,331 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 510 GetRequests, 507 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 08:34:59,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 08:34:59,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 08:34:59,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 08:34:59,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 08:34:59,332 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 505 [2018-11-18 08:34:59,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:34:59,332 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 08:34:59,332 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 08:34:59,332 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 08:34:59,332 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 08:34:59,336 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 08:34:59,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:34:59,745 WARN L180 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 87 [2018-11-18 08:35:01,108 WARN L180 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 69 [2018-11-18 08:35:01,184 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-18 08:35:01,184 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 08:35:01,185 INFO L425 ceAbstractionStarter]: For program point L432(lines 432 434) no Hoare annotation was computed. [2018-11-18 08:35:01,185 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 335) no Hoare annotation was computed. [2018-11-18 08:35:01,185 INFO L428 ceAbstractionStarter]: At program point L201(lines 200 488) the Hoare annotation is: true [2018-11-18 08:35:01,185 INFO L425 ceAbstractionStarter]: For program point L168(lines 168 498) no Hoare annotation was computed. [2018-11-18 08:35:01,185 INFO L425 ceAbstractionStarter]: For program point L135(lines 135 509) no Hoare annotation was computed. [2018-11-18 08:35:01,185 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 520) no Hoare annotation was computed. [2018-11-18 08:35:01,185 INFO L421 ceAbstractionStarter]: At program point L169(lines 165 499) 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__hit~0 0) (<= ssl3_connect_~s__state~0 4560))) [2018-11-18 08:35:01,185 INFO L421 ceAbstractionStarter]: At program point L103(lines 102 520) 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 08:35:01,185 INFO L425 ceAbstractionStarter]: For program point L467(lines 467 469) no Hoare annotation was computed. [2018-11-18 08:35:01,185 INFO L425 ceAbstractionStarter]: For program point L467-2(lines 467 469) no Hoare annotation was computed. [2018-11-18 08:35:01,185 INFO L425 ceAbstractionStarter]: For program point L435(lines 435 439) no Hoare annotation was computed. [2018-11-18 08:35:01,185 INFO L425 ceAbstractionStarter]: For program point L435-2(lines 435 439) no Hoare annotation was computed. [2018-11-18 08:35:01,185 INFO L425 ceAbstractionStarter]: For program point L336(lines 336 340) no Hoare annotation was computed. [2018-11-18 08:35:01,186 INFO L425 ceAbstractionStarter]: For program point L336-2(lines 336 340) no Hoare annotation was computed. [2018-11-18 08:35:01,186 INFO L425 ceAbstractionStarter]: For program point L171(lines 171 497) no Hoare annotation was computed. [2018-11-18 08:35:01,186 INFO L425 ceAbstractionStarter]: For program point L138(lines 138 508) no Hoare annotation was computed. [2018-11-18 08:35:01,186 INFO L425 ceAbstractionStarter]: For program point L105(lines 105 519) no Hoare annotation was computed. [2018-11-18 08:35:01,186 INFO L421 ceAbstractionStarter]: At program point L139(lines 135 509) the Hoare annotation is: (or (and (<= 4352 ssl3_connect_~s__state~0) (<= ssl3_connect_~blastFlag~0 4) (= ssl3_connect_~s__hit~0 0) (<= ssl3_connect_~s__state~0 4560)) (< |ssl3_connect_#in~initial_state| 12292)) [2018-11-18 08:35:01,186 INFO L425 ceAbstractionStarter]: For program point L305(lines 305 307) no Hoare annotation was computed. [2018-11-18 08:35:01,186 INFO L425 ceAbstractionStarter]: For program point L272(lines 272 276) no Hoare annotation was computed. [2018-11-18 08:35:01,186 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 242) no Hoare annotation was computed. [2018-11-18 08:35:01,186 INFO L425 ceAbstractionStarter]: For program point L305-2(lines 202 485) no Hoare annotation was computed. [2018-11-18 08:35:01,186 INFO L425 ceAbstractionStarter]: For program point L272-2(lines 272 276) no Hoare annotation was computed. [2018-11-18 08:35:01,186 INFO L425 ceAbstractionStarter]: For program point L405(lines 405 407) no Hoare annotation was computed. [2018-11-18 08:35:01,186 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 374) no Hoare annotation was computed. [2018-11-18 08:35:01,187 INFO L421 ceAbstractionStarter]: At program point L207(lines 105 519) the Hoare annotation is: (or (< |ssl3_connect_#in~initial_state| 12292) (<= ssl3_connect_~blastFlag~0 0)) [2018-11-18 08:35:01,187 INFO L425 ceAbstractionStarter]: For program point L174(lines 174 496) no Hoare annotation was computed. [2018-11-18 08:35:01,187 INFO L425 ceAbstractionStarter]: For program point L141(lines 141 507) no Hoare annotation was computed. [2018-11-18 08:35:01,187 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 518) no Hoare annotation was computed. [2018-11-18 08:35:01,187 INFO L421 ceAbstractionStarter]: At program point L175(lines 171 497) 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__hit~0 0) (<= ssl3_connect_~s__state~0 4560))) [2018-11-18 08:35:01,187 INFO L425 ceAbstractionStarter]: For program point L473(lines 473 475) no Hoare annotation was computed. [2018-11-18 08:35:01,187 INFO L425 ceAbstractionStarter]: For program point L473-2(lines 473 475) no Hoare annotation was computed. [2018-11-18 08:35:01,187 INFO L425 ceAbstractionStarter]: For program point ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION(line 549) no Hoare annotation was computed. [2018-11-18 08:35:01,187 INFO L428 ceAbstractionStarter]: At program point L540(lines 98 541) the Hoare annotation is: true [2018-11-18 08:35:01,187 INFO L425 ceAbstractionStarter]: For program point L177(lines 177 495) no Hoare annotation was computed. [2018-11-18 08:35:01,187 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 506) no Hoare annotation was computed. [2018-11-18 08:35:01,187 INFO L425 ceAbstractionStarter]: For program point L111(lines 111 517) no Hoare annotation was computed. [2018-11-18 08:35:01,188 INFO L421 ceAbstractionStarter]: At program point L145(lines 141 507) 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__hit~0 0) (<= ssl3_connect_~s__state~0 4560))) [2018-11-18 08:35:01,188 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 214) no Hoare annotation was computed. [2018-11-18 08:35:01,188 INFO L425 ceAbstractionStarter]: For program point L212-2(lines 212 214) no Hoare annotation was computed. [2018-11-18 08:35:01,188 INFO L425 ceAbstractionStarter]: For program point L180(lines 180 494) no Hoare annotation was computed. [2018-11-18 08:35:01,188 INFO L425 ceAbstractionStarter]: For program point L147(lines 147 505) no Hoare annotation was computed. [2018-11-18 08:35:01,188 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 516) no Hoare annotation was computed. [2018-11-18 08:35:01,188 INFO L425 ceAbstractionStarter]: For program point L478(lines 478 480) no Hoare annotation was computed. [2018-11-18 08:35:01,188 INFO L425 ceAbstractionStarter]: For program point L445(lines 445 456) no Hoare annotation was computed. [2018-11-18 08:35:01,188 INFO L425 ceAbstractionStarter]: For program point L412(lines 412 426) no Hoare annotation was computed. [2018-11-18 08:35:01,188 INFO L425 ceAbstractionStarter]: For program point L412-1(lines 412 426) no Hoare annotation was computed. [2018-11-18 08:35:01,188 INFO L425 ceAbstractionStarter]: For program point L445-2(lines 445 456) no Hoare annotation was computed. [2018-11-18 08:35:01,188 INFO L425 ceAbstractionStarter]: For program point L313(lines 313 316) no Hoare annotation was computed. [2018-11-18 08:35:01,189 INFO L421 ceAbstractionStarter]: At program point L181(lines 177 495) 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 (<= ssl3_connect_~blastFlag~0 2) .cse0 .cse1) (and .cse0 (<= ssl3_connect_~blastFlag~0 4) (= ssl3_connect_~s__hit~0 0) .cse1))) [2018-11-18 08:35:01,189 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 547) no Hoare annotation was computed. [2018-11-18 08:35:01,189 INFO L425 ceAbstractionStarter]: For program point L545-2(lines 545 547) no Hoare annotation was computed. [2018-11-18 08:35:01,189 INFO L425 ceAbstractionStarter]: For program point L348(lines 348 350) no Hoare annotation was computed. [2018-11-18 08:35:01,189 INFO L425 ceAbstractionStarter]: For program point L183(lines 183 493) no Hoare annotation was computed. [2018-11-18 08:35:01,189 INFO L425 ceAbstractionStarter]: For program point L150(lines 150 504) no Hoare annotation was computed. [2018-11-18 08:35:01,189 INFO L425 ceAbstractionStarter]: For program point L117(lines 117 515) no Hoare annotation was computed. [2018-11-18 08:35:01,189 INFO L428 ceAbstractionStarter]: At program point ssl3_connectENTRY(lines 11 552) the Hoare annotation is: true [2018-11-18 08:35:01,189 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 384) no Hoare annotation was computed. [2018-11-18 08:35:01,189 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 297) no Hoare annotation was computed. [2018-11-18 08:35:01,189 INFO L425 ceAbstractionStarter]: For program point L217(lines 217 220) no Hoare annotation was computed. [2018-11-18 08:35:01,189 INFO L425 ceAbstractionStarter]: For program point L283-2(lines 283 297) no Hoare annotation was computed. [2018-11-18 08:35:01,189 INFO L421 ceAbstractionStarter]: At program point L151(lines 147 505) 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 08:35:01,190 INFO L425 ceAbstractionStarter]: For program point L85(lines 85 91) no Hoare annotation was computed. [2018-11-18 08:35:01,190 INFO L425 ceAbstractionStarter]: For program point L416(lines 416 422) no Hoare annotation was computed. [2018-11-18 08:35:01,190 INFO L425 ceAbstractionStarter]: For program point L251(lines 251 253) no Hoare annotation was computed. [2018-11-18 08:35:01,190 INFO L425 ceAbstractionStarter]: For program point L251-2(lines 202 485) no Hoare annotation was computed. [2018-11-18 08:35:01,190 INFO L425 ceAbstractionStarter]: For program point L450(lines 450 453) no Hoare annotation was computed. [2018-11-18 08:35:01,190 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 492) no Hoare annotation was computed. [2018-11-18 08:35:01,190 INFO L425 ceAbstractionStarter]: For program point L153(lines 153 503) no Hoare annotation was computed. [2018-11-18 08:35:01,190 INFO L425 ceAbstractionStarter]: For program point L120(lines 120 514) no Hoare annotation was computed. [2018-11-18 08:35:01,190 INFO L421 ceAbstractionStarter]: At program point L187(lines 183 493) 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 (<= ssl3_connect_~blastFlag~0 2) .cse0 .cse1) (and .cse0 (<= ssl3_connect_~blastFlag~0 4) (= ssl3_connect_~s__hit~0 0) .cse1))) [2018-11-18 08:35:01,190 INFO L421 ceAbstractionStarter]: At program point L121(lines 117 515) 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 08:35:01,190 INFO L425 ceAbstractionStarter]: For program point L88(lines 88 90) no Hoare annotation was computed. [2018-11-18 08:35:01,190 INFO L425 ceAbstractionStarter]: For program point L88-2(lines 85 91) no Hoare annotation was computed. [2018-11-18 08:35:01,190 INFO L425 ceAbstractionStarter]: For program point $Ultimate##85(lines 202 487) no Hoare annotation was computed. [2018-11-18 08:35:01,191 INFO L425 ceAbstractionStarter]: For program point $Ultimate##84(lines 202 487) no Hoare annotation was computed. [2018-11-18 08:35:01,191 INFO L425 ceAbstractionStarter]: For program point L287(lines 287 293) no Hoare annotation was computed. [2018-11-18 08:35:01,191 INFO L421 ceAbstractionStarter]: At program point L486(lines 99 539) the Hoare annotation is: (let ((.cse1 (= ssl3_connect_~s__hit~0 0))) (let ((.cse3 (<= 4560 ssl3_connect_~s__state~0)) (.cse4 (<= ssl3_connect_~s__state~0 4560)) (.cse10 (<= ssl3_connect_~s__state~0 3)) (.cse9 (not .cse1)) (.cse2 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 4560)) (.cse7 (<= ssl3_connect_~s__state~0 4352)) (.cse8 (<= 4352 ssl3_connect_~s__state~0)) (.cse5 (<= 4560 ssl3_connect_~s__s3__tmp__next_state___0~0)) (.cse11 (= ssl3_connect_~s__state~0 4512)) (.cse6 (<= ssl3_connect_~blastFlag~0 2)) (.cse12 (= ssl3_connect_~s__state~0 4528)) (.cse0 (<= ssl3_connect_~blastFlag~0 4))) (or (and .cse0 .cse1 (= ssl3_connect_~s__state~0 4480)) (and .cse2 .cse3 .cse0 .cse1 .cse4 .cse5) (and (= ssl3_connect_~s__state~0 4448) .cse0 .cse1) (and .cse6 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 3) .cse7 .cse8 .cse9) (and .cse6 .cse3 .cse9 .cse4) (and (= ssl3_connect_~s__state~0 4464) .cse0 .cse1) (and .cse10 .cse2 .cse0 .cse5) (and (<= ssl3_connect_~blastFlag~0 0) (= ssl3_connect_~s__state~0 4368)) (and .cse10 .cse2 .cse9) (and (= ssl3_connect_~s__state~0 4432) .cse0 .cse1) (and .cse6 (= ssl3_connect_~s__state~0 4384)) (and (= ssl3_connect_~s__state~0 4416) .cse0 .cse1) (and .cse11 .cse0 .cse1) (and .cse6 .cse12) (< |ssl3_connect_#in~initial_state| 12292) (and .cse2 .cse7 .cse8 .cse0 .cse1 .cse5) (and (= ssl3_connect_~s__state~0 4496) .cse0 .cse1) (and .cse6 .cse11) (and .cse6 (= ssl3_connect_~s__state~0 4400) .cse1) (and .cse12 .cse0 .cse1)))) [2018-11-18 08:35:01,191 INFO L425 ceAbstractionStarter]: For program point L321(lines 321 323) no Hoare annotation was computed. [2018-11-18 08:35:01,191 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 491) no Hoare annotation was computed. [2018-11-18 08:35:01,191 INFO L425 ceAbstractionStarter]: For program point L156(lines 156 502) no Hoare annotation was computed. [2018-11-18 08:35:01,191 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 513) no Hoare annotation was computed. [2018-11-18 08:35:01,191 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 392) no Hoare annotation was computed. [2018-11-18 08:35:01,191 INFO L421 ceAbstractionStarter]: At program point L322(lines 76 551) the Hoare annotation is: (< |ssl3_connect_#in~initial_state| 12292) [2018-11-18 08:35:01,191 INFO L425 ceAbstractionStarter]: For program point L388-2(lines 202 485) no Hoare annotation was computed. [2018-11-18 08:35:01,192 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 234) no Hoare annotation was computed. [2018-11-18 08:35:01,192 INFO L425 ceAbstractionStarter]: For program point L223-2(lines 202 485) no Hoare annotation was computed. [2018-11-18 08:35:01,192 INFO L425 ceAbstractionStarter]: For program point L521(lines 521 537) no Hoare annotation was computed. [2018-11-18 08:35:01,192 INFO L425 ceAbstractionStarter]: For program point L290(lines 290 292) no Hoare annotation was computed. [2018-11-18 08:35:01,192 INFO L425 ceAbstractionStarter]: For program point L290-2(lines 285 297) no Hoare annotation was computed. [2018-11-18 08:35:01,192 INFO L425 ceAbstractionStarter]: For program point ssl3_connectEXIT(lines 11 552) no Hoare annotation was computed. [2018-11-18 08:35:01,192 INFO L425 ceAbstractionStarter]: For program point L522(lines 522 536) no Hoare annotation was computed. [2018-11-18 08:35:01,192 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 359) no Hoare annotation was computed. [2018-11-18 08:35:01,192 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 326) no Hoare annotation was computed. [2018-11-18 08:35:01,192 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 228) no Hoare annotation was computed. [2018-11-18 08:35:01,192 INFO L425 ceAbstractionStarter]: For program point L192(lines 192 490) no Hoare annotation was computed. [2018-11-18 08:35:01,192 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 501) no Hoare annotation was computed. [2018-11-18 08:35:01,192 INFO L425 ceAbstractionStarter]: For program point L126(lines 126 512) no Hoare annotation was computed. [2018-11-18 08:35:01,193 INFO L425 ceAbstractionStarter]: For program point L93(lines 93 97) no Hoare annotation was computed. [2018-11-18 08:35:01,193 INFO L425 ceAbstractionStarter]: For program point ssl3_connectFINAL(lines 11 552) no Hoare annotation was computed. [2018-11-18 08:35:01,193 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 528) no Hoare annotation was computed. [2018-11-18 08:35:01,193 INFO L425 ceAbstractionStarter]: For program point L523-2(lines 522 536) no Hoare annotation was computed. [2018-11-18 08:35:01,193 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 261) no Hoare annotation was computed. [2018-11-18 08:35:01,193 INFO L421 ceAbstractionStarter]: At program point L193(lines 189 491) the Hoare annotation is: (let ((.cse0 (<= 4560 ssl3_connect_~s__state~0)) (.cse1 (= ssl3_connect_~s__hit~0 0)) (.cse2 (<= 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 .cse1) .cse2))) [2018-11-18 08:35:01,193 INFO L421 ceAbstractionStarter]: At program point L127(lines 123 513) 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 08:35:01,193 INFO L425 ceAbstractionStarter]: For program point L94(lines 94 96) no Hoare annotation was computed. [2018-11-18 08:35:01,193 INFO L425 ceAbstractionStarter]: For program point L525(lines 525 527) no Hoare annotation was computed. [2018-11-18 08:35:01,193 INFO L425 ceAbstractionStarter]: For program point L195(lines 195 489) no Hoare annotation was computed. [2018-11-18 08:35:01,193 INFO L425 ceAbstractionStarter]: For program point L162(lines 162 500) no Hoare annotation was computed. [2018-11-18 08:35:01,193 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 511) no Hoare annotation was computed. [2018-11-18 08:35:01,193 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 366) no Hoare annotation was computed. [2018-11-18 08:35:01,194 INFO L425 ceAbstractionStarter]: For program point L361-2(lines 361 366) no Hoare annotation was computed. [2018-11-18 08:35:01,194 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 232) no Hoare annotation was computed. [2018-11-18 08:35:01,194 INFO L421 ceAbstractionStarter]: At program point L196(lines 195 489) 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 08:35:01,194 INFO L421 ceAbstractionStarter]: At program point L163(lines 153 503) the Hoare annotation is: (or (< |ssl3_connect_#in~initial_state| 12292) (and (and (<= 4432 ssl3_connect_~s__state~0) (= ssl3_connect_~s__hit~0 0) (<= ssl3_connect_~blastFlag~0 4)) (<= ssl3_connect_~s__state~0 4560))) [2018-11-18 08:35:01,194 INFO L425 ceAbstractionStarter]: For program point L461-1(lines 461 463) no Hoare annotation was computed. [2018-11-18 08:35:01,194 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 488) no Hoare annotation was computed. [2018-11-18 08:35:01,194 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 499) no Hoare annotation was computed. [2018-11-18 08:35:01,194 INFO L425 ceAbstractionStarter]: For program point L132(lines 132 510) no Hoare annotation was computed. [2018-11-18 08:35:01,194 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 539) no Hoare annotation was computed. [2018-11-18 08:35:01,194 INFO L425 ceAbstractionStarter]: For program point L99-2(lines 76 551) no Hoare annotation was computed. [2018-11-18 08:35:01,194 INFO L425 ceAbstractionStarter]: For program point L397(lines 397 400) no Hoare annotation was computed. [2018-11-18 08:35:01,194 INFO L428 ceAbstractionStarter]: At program point L199(lines 198 488) the Hoare annotation is: true [2018-11-18 08:35:01,194 INFO L421 ceAbstractionStarter]: At program point L133(lines 129 511) 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__hit~0 0) (<= ssl3_connect_~s__state~0 4560))) [2018-11-18 08:35:01,195 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-18 08:35:01,195 INFO L425 ceAbstractionStarter]: For program point L530(lines 530 534) no Hoare annotation was computed. [2018-11-18 08:35:01,195 INFO L425 ceAbstractionStarter]: For program point L266(lines 266 268) no Hoare annotation was computed. [2018-11-18 08:35:01,195 INFO L425 ceAbstractionStarter]: For program point L266-2(lines 202 485) no Hoare annotation was computed. [2018-11-18 08:35:01,195 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 08:35:01,195 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 08:35:01,195 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 08:35:01,195 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 08:35:01,195 INFO L421 ceAbstractionStarter]: At program point L559(line 559) the Hoare annotation is: (<= 12292 main_~s~0) [2018-11-18 08:35:01,195 INFO L425 ceAbstractionStarter]: For program point L559-1(line 559) no Hoare annotation was computed. [2018-11-18 08:35:01,195 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 553 563) the Hoare annotation is: true [2018-11-18 08:35:01,195 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 553 563) no Hoare annotation was computed. [2018-11-18 08:35:01,195 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 553 563) no Hoare annotation was computed. [2018-11-18 08:35:01,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:35:01 BoogieIcfgContainer [2018-11-18 08:35:01,213 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 08:35:01,213 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:35:01,213 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:35:01,213 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:35:01,214 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:51" (3/4) ... [2018-11-18 08:35:01,217 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 08:35:01,223 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 08:35:01,224 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ssl3_connect [2018-11-18 08:35:01,224 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 08:35:01,232 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2018-11-18 08:35:01,233 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 08:35:01,233 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 08:35:01,261 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(initial_state) < 12292 || (blastFlag <= 0 && 12292 <= s__state) [2018-11-18 08:35:01,261 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(initial_state) < 12292 || blastFlag <= 0 [2018-11-18 08:35:01,261 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 08:35:01,261 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 08:35:01,262 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(initial_state) < 12292 || (((blastFlag <= 2 && 4352 <= s__state) && s__hit == 0) && s__state <= 4560) [2018-11-18 08:35:01,262 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((4352 <= s__state && blastFlag <= 4) && s__hit == 0) && s__state <= 4560) || \old(initial_state) < 12292 [2018-11-18 08:35:01,262 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((blastFlag <= 4 && s__hit == 0) && s__state == 4480) || (((((s__s3__tmp__next_state___0 <= 4560 && 4560 <= s__state) && blastFlag <= 4) && s__hit == 0) && s__state <= 4560) && 4560 <= s__s3__tmp__next_state___0)) || ((s__state == 4448 && blastFlag <= 4) && s__hit == 0)) || ((((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 == 4464 && blastFlag <= 4) && s__hit == 0)) || (((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))) || ((s__state == 4432 && blastFlag <= 4) && s__hit == 0)) || (blastFlag <= 2 && s__state == 4384)) || ((s__state == 4416 && blastFlag <= 4) && s__hit == 0)) || ((s__state == 4512 && blastFlag <= 4) && s__hit == 0)) || (blastFlag <= 2 && s__state == 4528)) || \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)) || ((s__state == 4496 && blastFlag <= 4) && s__hit == 0)) || (blastFlag <= 2 && s__state == 4512)) || ((blastFlag <= 2 && s__state == 4400) && s__hit == 0)) || ((s__state == 4528 && blastFlag <= 4) && s__hit == 0) [2018-11-18 08:35:01,262 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(initial_state) < 12292 || (((4432 <= s__state && blastFlag <= 4) && s__hit == 0) && s__state <= 4560) [2018-11-18 08:35:01,262 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 08:35:01,263 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(initial_state) < 12292 [2018-11-18 08:35:01,263 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(initial_state) < 12292 || (((4432 <= s__state && s__hit == 0) && blastFlag <= 4) && s__state <= 4560) [2018-11-18 08:35:01,263 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(initial_state) < 12292 || (((4432 <= s__state && blastFlag <= 4) && s__hit == 0) && s__state <= 4560) [2018-11-18 08:35:01,263 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(initial_state) < 12292 || (((4432 <= s__state && blastFlag <= 4) && s__hit == 0) && s__state <= 4560) [2018-11-18 08:35:01,263 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(initial_state) < 12292 || ((blastFlag <= 2 && 4512 <= s__state) && s__state <= 4560)) || (((4512 <= s__state && blastFlag <= 4) && s__hit == 0) && s__state <= 4560) [2018-11-18 08:35:01,263 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(initial_state) < 12292 || ((blastFlag <= 2 && 4512 <= s__state) && s__state <= 4560)) || (((4512 <= s__state && blastFlag <= 4) && s__hit == 0) && s__state <= 4560) [2018-11-18 08:35:01,264 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__hit == 0) && s__state <= 4560) && 4560 <= s__s3__tmp__next_state___0)) || (((blastFlag <= 2 && 4560 <= s__state) && !(s__hit == 0)) && s__state <= 4560) [2018-11-18 08:35:01,264 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 08:35:01,310 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ef53ab8a-1767-4371-aab2-5cd98405214b/bin-2019/uautomizer/witness.graphml [2018-11-18 08:35:01,310 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:35:01,312 INFO L168 Benchmark]: Toolchain (without parser) took 10888.91 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 947.9 MB). Free memory was 959.2 MB in the beginning and 1.5 GB in the end (delta: -542.5 MB). Peak memory consumption was 405.4 MB. Max. memory is 11.5 GB. [2018-11-18 08:35:01,312 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:35:01,312 INFO L168 Benchmark]: CACSL2BoogieTranslator took 218.66 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 940.5 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-11-18 08:35:01,313 INFO L168 Benchmark]: Boogie Preprocessor took 86.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -191.9 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2018-11-18 08:35:01,313 INFO L168 Benchmark]: RCFGBuilder took 515.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. [2018-11-18 08:35:01,313 INFO L168 Benchmark]: TraceAbstraction took 9968.40 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 812.6 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -439.8 MB). Peak memory consumption was 372.8 MB. Max. memory is 11.5 GB. [2018-11-18 08:35:01,313 INFO L168 Benchmark]: Witness Printer took 96.71 ms. Allocated memory is still 2.0 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2018-11-18 08:35:01,315 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 218.66 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 940.5 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 86.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -191.9 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 515.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9968.40 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 812.6 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -439.8 MB). Peak memory consumption was 372.8 MB. Max. memory is 11.5 GB. * Witness Printer took 96.71 ms. Allocated memory is still 2.0 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 549]: 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: 189]: Loop Invariant Derived loop invariant: (\old(initial_state) < 12292 || (((((s__s3__tmp__next_state___0 <= 4560 && 4560 <= s__state) && blastFlag <= 4) && s__hit == 0) && s__state <= 4560) && 4560 <= s__s3__tmp__next_state___0)) || (((blastFlag <= 2 && 4560 <= s__state) && !(s__hit == 0)) && s__state <= 4560) - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: \old(initial_state) < 12292 || (((4432 <= s__state && blastFlag <= 4) && s__state <= 4560) && s__hit == 0) - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: (\old(initial_state) < 12292 || ((blastFlag <= 2 && 4512 <= s__state) && s__state <= 4560)) || (((4512 <= s__state && blastFlag <= 4) && s__hit == 0) && s__state <= 4560) - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: (((4352 <= s__state && blastFlag <= 4) && s__hit == 0) && s__state <= 4560) || \old(initial_state) < 12292 - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: \old(initial_state) < 12292 || blastFlag <= 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: \old(initial_state) < 12292 || (((4432 <= s__state && blastFlag <= 4) && s__hit == 0) && s__state <= 4560) - InvariantResult [Line: 117]: 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: 195]: 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: 76]: Loop Invariant Derived loop invariant: \old(initial_state) < 12292 - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: \old(initial_state) < 12292 || (((4432 <= s__state && s__hit == 0) && blastFlag <= 4) && s__state <= 4560) - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: \old(initial_state) < 12292 || (blastFlag <= 0 && 12292 <= s__state) - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: ((((((((((((((((((((blastFlag <= 4 && s__hit == 0) && s__state == 4480) || (((((s__s3__tmp__next_state___0 <= 4560 && 4560 <= s__state) && blastFlag <= 4) && s__hit == 0) && s__state <= 4560) && 4560 <= s__s3__tmp__next_state___0)) || ((s__state == 4448 && blastFlag <= 4) && s__hit == 0)) || ((((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 == 4464 && blastFlag <= 4) && s__hit == 0)) || (((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))) || ((s__state == 4432 && blastFlag <= 4) && s__hit == 0)) || (blastFlag <= 2 && s__state == 4384)) || ((s__state == 4416 && blastFlag <= 4) && s__hit == 0)) || ((s__state == 4512 && blastFlag <= 4) && s__hit == 0)) || (blastFlag <= 2 && s__state == 4528)) || \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)) || ((s__state == 4496 && blastFlag <= 4) && s__hit == 0)) || (blastFlag <= 2 && s__state == 4512)) || ((blastFlag <= 2 && s__state == 4400) && s__hit == 0)) || ((s__state == 4528 && blastFlag <= 4) && s__hit == 0) - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: \old(initial_state) < 12292 || (((4432 <= s__state && blastFlag <= 4) && s__hit == 0) && s__state <= 4560) - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: (\old(initial_state) < 12292 || ((blastFlag <= 2 && 4512 <= s__state) && s__state <= 4560)) || (((4512 <= s__state && blastFlag <= 4) && s__hit == 0) && s__state <= 4560) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: \old(initial_state) < 12292 || (((blastFlag <= 2 && 4352 <= s__state) && s__hit == 0) && s__state <= 4560) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: \old(initial_state) < 12292 || (((4432 <= s__state && blastFlag <= 4) && s__hit == 0) && s__state <= 4560) - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: \old(initial_state) < 12292 || ((blastFlag <= 2 && 4352 <= s__state) && s__state <= 4560) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 139 locations, 1 error locations. SAFE Result, 9.9s OverallTime, 26 OverallIterations, 18 TraceHistogramMax, 3.8s AutomataDifference, 0.0s DeadEndRemovalTime, 1.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 5428 SDtfs, 2089 SDslu, 3480 SDs, 0 SdLazy, 2776 SolverSat, 464 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1300 GetRequests, 1259 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8257occurred in iteration=23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 26 MinimizatonAttempts, 4166 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 166 NumberOfFragments, 557 HoareAnnotationTreeSize, 26 FomulaSimplifications, 15055 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 26 FomulaSimplificationsInter, 1305 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 6659 NumberOfCodeBlocks, 6659 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 6630 ConstructedInterpolants, 0 QuantifiedInterpolants, 2554625 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2205 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 29 InterpolantComputations, 25 PerfectInterpolantSequences, 22993/23044 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...