/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/loops/s3.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-a47f07a [2021-04-16 03:02:36,224 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-16 03:02:36,226 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-16 03:02:36,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-16 03:02:36,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-16 03:02:36,258 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-16 03:02:36,258 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-16 03:02:36,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-16 03:02:36,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-16 03:02:36,261 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-16 03:02:36,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-16 03:02:36,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-16 03:02:36,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-16 03:02:36,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-16 03:02:36,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-16 03:02:36,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-16 03:02:36,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-16 03:02:36,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-16 03:02:36,273 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-16 03:02:36,274 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-16 03:02:36,275 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-16 03:02:36,277 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-16 03:02:36,278 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-16 03:02:36,278 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-16 03:02:36,280 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-16 03:02:36,280 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-16 03:02:36,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-16 03:02:36,281 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-16 03:02:36,281 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-16 03:02:36,282 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-16 03:02:36,282 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-16 03:02:36,283 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-16 03:02:36,283 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-16 03:02:36,284 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-16 03:02:36,284 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-16 03:02:36,285 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-16 03:02:36,285 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-16 03:02:36,285 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-16 03:02:36,285 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-16 03:02:36,286 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-16 03:02:36,286 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-16 03:02:36,287 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2021-04-16 03:02:36,295 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-16 03:02:36,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-16 03:02:36,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-16 03:02:36,296 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-16 03:02:36,296 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-16 03:02:36,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-16 03:02:36,297 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-16 03:02:36,297 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-16 03:02:36,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-16 03:02:36,297 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-16 03:02:36,297 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-16 03:02:36,297 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-16 03:02:36,297 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-16 03:02:36,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-16 03:02:36,298 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-16 03:02:36,298 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-16 03:02:36,298 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-16 03:02:36,298 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-16 03:02:36,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-16 03:02:36,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-16 03:02:36,298 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-16 03:02:36,299 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-04-16 03:02:36,299 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-16 03:02:36,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-16 03:02:36,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-16 03:02:36,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-16 03:02:36,572 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-16 03:02:36,574 INFO L275 PluginConnector]: CDTParser initialized [2021-04-16 03:02:36,575 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/s3.i [2021-04-16 03:02:36,624 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b422e4362/02e6579ee5c24d05b3e92bb0f03832f8/FLAGbfa358697 [2021-04-16 03:02:37,138 INFO L306 CDTParser]: Found 1 translation units. [2021-04-16 03:02:37,138 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/s3.i [2021-04-16 03:02:37,159 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b422e4362/02e6579ee5c24d05b3e92bb0f03832f8/FLAGbfa358697 [2021-04-16 03:02:37,434 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b422e4362/02e6579ee5c24d05b3e92bb0f03832f8 [2021-04-16 03:02:37,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-16 03:02:37,439 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-16 03:02:37,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-16 03:02:37,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-16 03:02:37,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-16 03:02:37,448 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.04 03:02:37" (1/1) ... [2021-04-16 03:02:37,449 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49a3f71b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 03:02:37, skipping insertion in model container [2021-04-16 03:02:37,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.04 03:02:37" (1/1) ... [2021-04-16 03:02:37,454 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-16 03:02:37,509 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-16 03:02:37,803 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops/s3.i[63567,63580] [2021-04-16 03:02:37,818 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-16 03:02:37,833 INFO L203 MainTranslator]: Completed pre-run [2021-04-16 03:02:37,918 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops/s3.i[63567,63580] [2021-04-16 03:02:37,920 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-16 03:02:37,934 INFO L208 MainTranslator]: Completed translation [2021-04-16 03:02:37,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 03:02:37 WrapperNode [2021-04-16 03:02:37,935 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-16 03:02:37,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-16 03:02:37,936 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-16 03:02:37,936 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-16 03:02:37,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 03:02:37" (1/1) ... [2021-04-16 03:02:37,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 03:02:37" (1/1) ... [2021-04-16 03:02:37,971 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 03:02:37" (1/1) ... [2021-04-16 03:02:37,972 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 03:02:37" (1/1) ... [2021-04-16 03:02:38,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 03:02:37" (1/1) ... [2021-04-16 03:02:38,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 03:02:37" (1/1) ... [2021-04-16 03:02:38,034 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 03:02:37" (1/1) ... [2021-04-16 03:02:38,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-16 03:02:38,038 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-16 03:02:38,038 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-16 03:02:38,038 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-16 03:02:38,038 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 03:02:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2021-04-16 03:02:38,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-04-16 03:02:38,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-16 03:02:38,119 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-04-16 03:02:38,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_get_client_method [2021-04-16 03:02:38,119 INFO L138 BoogieDeclarations]: Found implementation of procedure SSLv3_client_method [2021-04-16 03:02:38,119 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-04-16 03:02:38,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2021-04-16 03:02:38,119 INFO L138 BoogieDeclarations]: Found implementation of procedure sslv3_base_method [2021-04-16 03:02:38,120 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-04-16 03:02:38,120 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-04-16 03:02:38,120 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-04-16 03:02:38,120 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-04-16 03:02:38,121 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-04-16 03:02:38,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-16 03:02:38,121 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-04-16 03:02:38,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-04-16 03:02:38,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2021-04-16 03:02:38,121 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-04-16 03:02:38,122 INFO L130 BoogieDeclarations]: Found specification of procedure SSLv3_client_method [2021-04-16 03:02:38,122 INFO L130 BoogieDeclarations]: Found specification of procedure sslv3_base_method [2021-04-16 03:02:38,123 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2021-04-16 03:02:38,123 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_get_client_method [2021-04-16 03:02:38,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-04-16 03:02:38,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-04-16 03:02:38,123 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-04-16 03:02:38,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-04-16 03:02:38,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-16 03:02:38,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-04-16 03:02:38,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-04-16 03:02:38,124 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-04-16 03:02:38,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-04-16 03:02:38,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-04-16 03:02:38,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-16 03:02:38,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-16 03:02:38,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-04-16 03:02:38,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-04-16 03:02:38,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-04-16 03:02:38,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-04-16 03:02:38,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-16 03:02:38,425 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-04-16 03:02:38,816 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-04-16 03:02:38,816 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-04-16 03:02:38,830 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-16 03:02:38,830 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-04-16 03:02:38,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.04 03:02:38 BoogieIcfgContainer [2021-04-16 03:02:38,831 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-16 03:02:38,831 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2021-04-16 03:02:38,831 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2021-04-16 03:02:38,832 INFO L275 PluginConnector]: IcfgTransformer initialized [2021-04-16 03:02:38,833 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.04 03:02:38" (1/1) ... [2021-04-16 03:02:38,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 16.04 03:02:38 BasicIcfg [2021-04-16 03:02:38,888 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2021-04-16 03:02:38,889 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-16 03:02:38,889 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-16 03:02:38,890 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-16 03:02:38,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.04 03:02:37" (1/4) ... [2021-04-16 03:02:38,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65336f85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.04 03:02:38, skipping insertion in model container [2021-04-16 03:02:38,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 03:02:37" (2/4) ... [2021-04-16 03:02:38,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65336f85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.04 03:02:38, skipping insertion in model container [2021-04-16 03:02:38,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.04 03:02:38" (3/4) ... [2021-04-16 03:02:38,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65336f85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.04 03:02:38, skipping insertion in model container [2021-04-16 03:02:38,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 16.04 03:02:38" (4/4) ... [2021-04-16 03:02:38,892 INFO L111 eAbstractionObserver]: Analyzing ICFG s3.iJordan [2021-04-16 03:02:38,895 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2021-04-16 03:02:38,898 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-16 03:02:38,908 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-04-16 03:02:38,919 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-16 03:02:38,920 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-16 03:02:38,920 INFO L378 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2021-04-16 03:02:38,920 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-16 03:02:38,920 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-16 03:02:38,920 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-16 03:02:38,920 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-16 03:02:38,920 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-16 03:02:38,929 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 132 states have (on average 1.6742424242424243) internal successors, (221), 133 states have internal predecessors, (221), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-04-16 03:02:38,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-04-16 03:02:38,934 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 03:02:38,935 INFO L519 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] [2021-04-16 03:02:38,935 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 03:02:38,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 03:02:38,938 INFO L82 PathProgramCache]: Analyzing trace with hash -1407118819, now seen corresponding path program 1 times [2021-04-16 03:02:38,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 03:02:38,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090196669] [2021-04-16 03:02:38,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 03:02:39,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:39,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:39,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:39,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:39,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 03:02:39,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:39,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:39,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 03:02:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:39,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:39,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:39,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 03:02:39,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090196669] [2021-04-16 03:02:39,229 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 03:02:39,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-16 03:02:39,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715732564] [2021-04-16 03:02:39,233 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-16 03:02:39,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 03:02:39,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-16 03:02:39,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-16 03:02:39,248 INFO L87 Difference]: Start difference. First operand has 140 states, 132 states have (on average 1.6742424242424243) internal successors, (221), 133 states have internal predecessors, (221), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:39,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 03:02:39,585 INFO L93 Difference]: Finished difference Result 258 states and 416 transitions. [2021-04-16 03:02:39,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-16 03:02:39,586 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2021-04-16 03:02:39,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 03:02:39,595 INFO L225 Difference]: With dead ends: 258 [2021-04-16 03:02:39,595 INFO L226 Difference]: Without dead ends: 223 [2021-04-16 03:02:39,596 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 36.8ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-16 03:02:39,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2021-04-16 03:02:39,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2021-04-16 03:02:39,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 218 states have (on average 1.481651376146789) internal successors, (323), 218 states have internal predecessors, (323), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:39,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 327 transitions. [2021-04-16 03:02:39,671 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 327 transitions. Word has length 30 [2021-04-16 03:02:39,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 03:02:39,671 INFO L480 AbstractCegarLoop]: Abstraction has 223 states and 327 transitions. [2021-04-16 03:02:39,671 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:39,671 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 327 transitions. [2021-04-16 03:02:39,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-04-16 03:02:39,673 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 03:02:39,673 INFO L519 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 03:02:39,674 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-16 03:02:39,674 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 03:02:39,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 03:02:39,674 INFO L82 PathProgramCache]: Analyzing trace with hash -455653265, now seen corresponding path program 1 times [2021-04-16 03:02:39,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 03:02:39,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63269539] [2021-04-16 03:02:39,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 03:02:39,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:39,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:39,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:39,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:39,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 03:02:39,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:39,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:39,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 03:02:39,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:39,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:39,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:39,813 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 03:02:39,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63269539] [2021-04-16 03:02:39,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 03:02:39,816 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-16 03:02:39,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498750119] [2021-04-16 03:02:39,819 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-16 03:02:39,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 03:02:39,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-16 03:02:39,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-16 03:02:39,820 INFO L87 Difference]: Start difference. First operand 223 states and 327 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:40,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 03:02:40,288 INFO L93 Difference]: Finished difference Result 325 states and 476 transitions. [2021-04-16 03:02:40,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-16 03:02:40,289 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 45 [2021-04-16 03:02:40,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 03:02:40,291 INFO L225 Difference]: With dead ends: 325 [2021-04-16 03:02:40,292 INFO L226 Difference]: Without dead ends: 325 [2021-04-16 03:02:40,292 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 29.7ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-16 03:02:40,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2021-04-16 03:02:40,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 325. [2021-04-16 03:02:40,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 320 states have (on average 1.475) internal successors, (472), 320 states have internal predecessors, (472), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:40,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 476 transitions. [2021-04-16 03:02:40,310 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 476 transitions. Word has length 45 [2021-04-16 03:02:40,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 03:02:40,310 INFO L480 AbstractCegarLoop]: Abstraction has 325 states and 476 transitions. [2021-04-16 03:02:40,310 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:40,310 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 476 transitions. [2021-04-16 03:02:40,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-04-16 03:02:40,312 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 03:02:40,312 INFO L519 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 03:02:40,313 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-16 03:02:40,313 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 03:02:40,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 03:02:40,313 INFO L82 PathProgramCache]: Analyzing trace with hash 702475222, now seen corresponding path program 1 times [2021-04-16 03:02:40,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 03:02:40,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49176220] [2021-04-16 03:02:40,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 03:02:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:40,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:40,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:40,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:40,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 03:02:40,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:40,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 03:02:40,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:40,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 03:02:40,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:40,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:40,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 03:02:40,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:40,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:40,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:40,429 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-04-16 03:02:40,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49176220] [2021-04-16 03:02:40,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 03:02:40,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-16 03:02:40,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921946389] [2021-04-16 03:02:40,430 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-16 03:02:40,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 03:02:40,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-16 03:02:40,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-16 03:02:40,430 INFO L87 Difference]: Start difference. First operand 325 states and 476 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:41,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 03:02:41,015 INFO L93 Difference]: Finished difference Result 513 states and 755 transitions. [2021-04-16 03:02:41,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-16 03:02:41,015 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 63 [2021-04-16 03:02:41,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 03:02:41,018 INFO L225 Difference]: With dead ends: 513 [2021-04-16 03:02:41,018 INFO L226 Difference]: Without dead ends: 513 [2021-04-16 03:02:41,018 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 43.5ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-16 03:02:41,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2021-04-16 03:02:41,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 375. [2021-04-16 03:02:41,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 370 states have (on average 1.508108108108108) internal successors, (558), 370 states have internal predecessors, (558), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:41,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 562 transitions. [2021-04-16 03:02:41,030 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 562 transitions. Word has length 63 [2021-04-16 03:02:41,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 03:02:41,030 INFO L480 AbstractCegarLoop]: Abstraction has 375 states and 562 transitions. [2021-04-16 03:02:41,030 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:41,030 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 562 transitions. [2021-04-16 03:02:41,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-04-16 03:02:41,032 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 03:02:41,032 INFO L519 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 03:02:41,033 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-16 03:02:41,033 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 03:02:41,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 03:02:41,033 INFO L82 PathProgramCache]: Analyzing trace with hash 635468469, now seen corresponding path program 1 times [2021-04-16 03:02:41,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 03:02:41,033 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011371075] [2021-04-16 03:02:41,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 03:02:41,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:41,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:41,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:41,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:41,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 03:02:41,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:41,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 03:02:41,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:41,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 03:02:41,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:41,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:41,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 03:02:41,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:41,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:41,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:41,149 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-04-16 03:02:41,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011371075] [2021-04-16 03:02:41,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 03:02:41,150 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-16 03:02:41,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728730666] [2021-04-16 03:02:41,150 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-16 03:02:41,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 03:02:41,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-16 03:02:41,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-16 03:02:41,151 INFO L87 Difference]: Start difference. First operand 375 states and 562 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:41,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 03:02:41,594 INFO L93 Difference]: Finished difference Result 459 states and 685 transitions. [2021-04-16 03:02:41,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-16 03:02:41,594 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 63 [2021-04-16 03:02:41,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 03:02:41,596 INFO L225 Difference]: With dead ends: 459 [2021-04-16 03:02:41,596 INFO L226 Difference]: Without dead ends: 459 [2021-04-16 03:02:41,596 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 36.6ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-16 03:02:41,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2021-04-16 03:02:41,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 415. [2021-04-16 03:02:41,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 410 states have (on average 1.526829268292683) internal successors, (626), 410 states have internal predecessors, (626), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:41,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 630 transitions. [2021-04-16 03:02:41,604 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 630 transitions. Word has length 63 [2021-04-16 03:02:41,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 03:02:41,615 INFO L480 AbstractCegarLoop]: Abstraction has 415 states and 630 transitions. [2021-04-16 03:02:41,615 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:41,615 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 630 transitions. [2021-04-16 03:02:41,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-04-16 03:02:41,617 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 03:02:41,618 INFO L519 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 03:02:41,618 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-16 03:02:41,618 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 03:02:41,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 03:02:41,618 INFO L82 PathProgramCache]: Analyzing trace with hash 302842584, now seen corresponding path program 1 times [2021-04-16 03:02:41,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 03:02:41,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789720364] [2021-04-16 03:02:41,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 03:02:41,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:41,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:41,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:41,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:41,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 03:02:41,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:41,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 03:02:41,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:41,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 03:02:41,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:41,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:41,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 03:02:41,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:41,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:41,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:41,719 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-04-16 03:02:41,719 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789720364] [2021-04-16 03:02:41,719 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 03:02:41,719 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-16 03:02:41,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688102446] [2021-04-16 03:02:41,720 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-16 03:02:41,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 03:02:41,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-16 03:02:41,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-16 03:02:41,721 INFO L87 Difference]: Start difference. First operand 415 states and 630 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:42,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 03:02:42,223 INFO L93 Difference]: Finished difference Result 547 states and 814 transitions. [2021-04-16 03:02:42,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-16 03:02:42,223 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 64 [2021-04-16 03:02:42,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 03:02:42,225 INFO L225 Difference]: With dead ends: 547 [2021-04-16 03:02:42,225 INFO L226 Difference]: Without dead ends: 547 [2021-04-16 03:02:42,225 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 35.1ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-16 03:02:42,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2021-04-16 03:02:42,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 417. [2021-04-16 03:02:42,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 412 states have (on average 1.5242718446601942) internal successors, (628), 412 states have internal predecessors, (628), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:42,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 632 transitions. [2021-04-16 03:02:42,232 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 632 transitions. Word has length 64 [2021-04-16 03:02:42,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 03:02:42,232 INFO L480 AbstractCegarLoop]: Abstraction has 417 states and 632 transitions. [2021-04-16 03:02:42,232 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:42,232 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 632 transitions. [2021-04-16 03:02:42,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-04-16 03:02:42,235 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 03:02:42,235 INFO L519 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 03:02:42,235 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-16 03:02:42,235 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 03:02:42,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 03:02:42,235 INFO L82 PathProgramCache]: Analyzing trace with hash 799385778, now seen corresponding path program 1 times [2021-04-16 03:02:42,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 03:02:42,236 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955173274] [2021-04-16 03:02:42,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 03:02:42,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:42,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:42,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:42,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:42,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 03:02:42,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:42,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 03:02:42,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:42,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 03:02:42,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:42,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:42,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 03:02:42,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:42,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:42,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:42,342 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-04-16 03:02:42,344 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955173274] [2021-04-16 03:02:42,344 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 03:02:42,344 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-16 03:02:42,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241867905] [2021-04-16 03:02:42,345 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-16 03:02:42,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 03:02:42,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-16 03:02:42,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-16 03:02:42,347 INFO L87 Difference]: Start difference. First operand 417 states and 632 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:42,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 03:02:42,945 INFO L93 Difference]: Finished difference Result 547 states and 812 transitions. [2021-04-16 03:02:42,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-16 03:02:42,946 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 65 [2021-04-16 03:02:42,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 03:02:42,948 INFO L225 Difference]: With dead ends: 547 [2021-04-16 03:02:42,948 INFO L226 Difference]: Without dead ends: 547 [2021-04-16 03:02:42,948 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 60.6ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-16 03:02:42,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2021-04-16 03:02:42,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 419. [2021-04-16 03:02:42,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 414 states have (on average 1.5217391304347827) internal successors, (630), 414 states have internal predecessors, (630), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:42,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 634 transitions. [2021-04-16 03:02:42,955 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 634 transitions. Word has length 65 [2021-04-16 03:02:42,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 03:02:42,955 INFO L480 AbstractCegarLoop]: Abstraction has 419 states and 634 transitions. [2021-04-16 03:02:42,955 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:42,955 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 634 transitions. [2021-04-16 03:02:42,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-04-16 03:02:42,956 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 03:02:42,956 INFO L519 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 03:02:42,956 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-16 03:02:42,956 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 03:02:42,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 03:02:42,957 INFO L82 PathProgramCache]: Analyzing trace with hash -987893291, now seen corresponding path program 1 times [2021-04-16 03:02:42,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 03:02:42,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348647778] [2021-04-16 03:02:42,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 03:02:42,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:43,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:43,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:43,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:43,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 03:02:43,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:43,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 03:02:43,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:43,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 03:02:43,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:43,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:43,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 03:02:43,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:43,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:43,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:43,063 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-04-16 03:02:43,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348647778] [2021-04-16 03:02:43,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 03:02:43,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-16 03:02:43,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900798262] [2021-04-16 03:02:43,066 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-16 03:02:43,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 03:02:43,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-16 03:02:43,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-16 03:02:43,067 INFO L87 Difference]: Start difference. First operand 419 states and 634 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:43,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 03:02:43,641 INFO L93 Difference]: Finished difference Result 537 states and 798 transitions. [2021-04-16 03:02:43,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-16 03:02:43,641 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 66 [2021-04-16 03:02:43,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 03:02:43,643 INFO L225 Difference]: With dead ends: 537 [2021-04-16 03:02:43,643 INFO L226 Difference]: Without dead ends: 537 [2021-04-16 03:02:43,644 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 48.4ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-16 03:02:43,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2021-04-16 03:02:43,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 421. [2021-04-16 03:02:43,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 416 states have (on average 1.5192307692307692) internal successors, (632), 416 states have internal predecessors, (632), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:43,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 636 transitions. [2021-04-16 03:02:43,650 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 636 transitions. Word has length 66 [2021-04-16 03:02:43,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 03:02:43,650 INFO L480 AbstractCegarLoop]: Abstraction has 421 states and 636 transitions. [2021-04-16 03:02:43,650 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:43,650 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 636 transitions. [2021-04-16 03:02:43,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-04-16 03:02:43,651 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 03:02:43,651 INFO L519 BasicCegarLoop]: trace histogram [4, 4, 3, 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, 1, 1] [2021-04-16 03:02:43,651 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-16 03:02:43,651 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 03:02:43,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 03:02:43,652 INFO L82 PathProgramCache]: Analyzing trace with hash 712595926, now seen corresponding path program 1 times [2021-04-16 03:02:43,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 03:02:43,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240750957] [2021-04-16 03:02:43,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 03:02:43,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:43,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:43,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:43,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:43,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 03:02:43,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:43,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 03:02:43,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:43,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 03:02:43,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:43,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:43,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 03:02:43,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:43,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:43,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:43,718 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-04-16 03:02:43,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240750957] [2021-04-16 03:02:43,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 03:02:43,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-16 03:02:43,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623089548] [2021-04-16 03:02:43,718 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-16 03:02:43,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 03:02:43,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-16 03:02:43,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-16 03:02:43,721 INFO L87 Difference]: Start difference. First operand 421 states and 636 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:44,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 03:02:44,245 INFO L93 Difference]: Finished difference Result 535 states and 794 transitions. [2021-04-16 03:02:44,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-16 03:02:44,245 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 78 [2021-04-16 03:02:44,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 03:02:44,249 INFO L225 Difference]: With dead ends: 535 [2021-04-16 03:02:44,249 INFO L226 Difference]: Without dead ends: 535 [2021-04-16 03:02:44,249 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 35.2ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-16 03:02:44,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2021-04-16 03:02:44,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 421. [2021-04-16 03:02:44,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 416 states have (on average 1.5144230769230769) internal successors, (630), 416 states have internal predecessors, (630), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:44,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 634 transitions. [2021-04-16 03:02:44,260 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 634 transitions. Word has length 78 [2021-04-16 03:02:44,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 03:02:44,260 INFO L480 AbstractCegarLoop]: Abstraction has 421 states and 634 transitions. [2021-04-16 03:02:44,260 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:44,260 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 634 transitions. [2021-04-16 03:02:44,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-04-16 03:02:44,261 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 03:02:44,261 INFO L519 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, 1] [2021-04-16 03:02:44,261 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-16 03:02:44,261 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 03:02:44,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 03:02:44,262 INFO L82 PathProgramCache]: Analyzing trace with hash -946707978, now seen corresponding path program 1 times [2021-04-16 03:02:44,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 03:02:44,262 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507770964] [2021-04-16 03:02:44,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 03:02:44,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:44,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:44,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:44,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:44,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 03:02:44,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:44,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 03:02:44,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:44,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 03:02:44,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:44,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:44,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 03:02:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:44,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:44,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:44,362 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-04-16 03:02:44,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507770964] [2021-04-16 03:02:44,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 03:02:44,362 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-16 03:02:44,362 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550818448] [2021-04-16 03:02:44,362 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-16 03:02:44,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 03:02:44,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-16 03:02:44,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-16 03:02:44,363 INFO L87 Difference]: Start difference. First operand 421 states and 634 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:44,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 03:02:44,875 INFO L93 Difference]: Finished difference Result 535 states and 792 transitions. [2021-04-16 03:02:44,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-16 03:02:44,875 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 78 [2021-04-16 03:02:44,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 03:02:44,877 INFO L225 Difference]: With dead ends: 535 [2021-04-16 03:02:44,877 INFO L226 Difference]: Without dead ends: 535 [2021-04-16 03:02:44,877 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 41.0ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-16 03:02:44,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2021-04-16 03:02:44,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 421. [2021-04-16 03:02:44,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 416 states have (on average 1.5096153846153846) internal successors, (628), 416 states have internal predecessors, (628), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:44,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 632 transitions. [2021-04-16 03:02:44,883 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 632 transitions. Word has length 78 [2021-04-16 03:02:44,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 03:02:44,883 INFO L480 AbstractCegarLoop]: Abstraction has 421 states and 632 transitions. [2021-04-16 03:02:44,883 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:44,884 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 632 transitions. [2021-04-16 03:02:44,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-04-16 03:02:44,888 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 03:02:44,888 INFO L519 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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] [2021-04-16 03:02:44,889 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-16 03:02:44,889 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 03:02:44,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 03:02:44,889 INFO L82 PathProgramCache]: Analyzing trace with hash -1054477673, now seen corresponding path program 1 times [2021-04-16 03:02:44,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 03:02:44,889 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321297893] [2021-04-16 03:02:44,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 03:02:44,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:44,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:44,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:44,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:44,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 03:02:44,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:44,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 03:02:44,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:44,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 03:02:44,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:44,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:44,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 03:02:44,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:44,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:44,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:44,959 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-04-16 03:02:44,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321297893] [2021-04-16 03:02:44,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 03:02:44,960 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-16 03:02:44,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977314181] [2021-04-16 03:02:44,960 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-16 03:02:44,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 03:02:44,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-16 03:02:44,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-16 03:02:44,961 INFO L87 Difference]: Start difference. First operand 421 states and 632 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:45,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 03:02:45,488 INFO L93 Difference]: Finished difference Result 535 states and 790 transitions. [2021-04-16 03:02:45,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-16 03:02:45,488 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 78 [2021-04-16 03:02:45,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 03:02:45,490 INFO L225 Difference]: With dead ends: 535 [2021-04-16 03:02:45,490 INFO L226 Difference]: Without dead ends: 535 [2021-04-16 03:02:45,490 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 37.9ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-16 03:02:45,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2021-04-16 03:02:45,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 421. [2021-04-16 03:02:45,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 416 states have (on average 1.5048076923076923) internal successors, (626), 416 states have internal predecessors, (626), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:45,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 630 transitions. [2021-04-16 03:02:45,497 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 630 transitions. Word has length 78 [2021-04-16 03:02:45,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 03:02:45,497 INFO L480 AbstractCegarLoop]: Abstraction has 421 states and 630 transitions. [2021-04-16 03:02:45,497 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:45,497 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 630 transitions. [2021-04-16 03:02:45,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-04-16 03:02:45,498 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 03:02:45,498 INFO L519 BasicCegarLoop]: trace histogram [4, 4, 3, 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, 1, 1] [2021-04-16 03:02:45,498 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-16 03:02:45,498 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 03:02:45,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 03:02:45,498 INFO L82 PathProgramCache]: Analyzing trace with hash -210087657, now seen corresponding path program 1 times [2021-04-16 03:02:45,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 03:02:45,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595648006] [2021-04-16 03:02:45,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 03:02:45,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:45,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:45,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:45,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:45,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 03:02:45,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:45,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 03:02:45,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:45,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 03:02:45,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:45,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:45,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 03:02:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:45,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:45,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:45,593 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-04-16 03:02:45,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595648006] [2021-04-16 03:02:45,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 03:02:45,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-16 03:02:45,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687445842] [2021-04-16 03:02:45,594 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-16 03:02:45,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 03:02:45,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-16 03:02:45,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-16 03:02:45,595 INFO L87 Difference]: Start difference. First operand 421 states and 630 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:46,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 03:02:46,032 INFO L93 Difference]: Finished difference Result 463 states and 681 transitions. [2021-04-16 03:02:46,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-16 03:02:46,032 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 78 [2021-04-16 03:02:46,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 03:02:46,034 INFO L225 Difference]: With dead ends: 463 [2021-04-16 03:02:46,034 INFO L226 Difference]: Without dead ends: 463 [2021-04-16 03:02:46,034 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 44.8ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-16 03:02:46,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2021-04-16 03:02:46,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 421. [2021-04-16 03:02:46,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 416 states have (on average 1.5) internal successors, (624), 416 states have internal predecessors, (624), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:46,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 628 transitions. [2021-04-16 03:02:46,041 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 628 transitions. Word has length 78 [2021-04-16 03:02:46,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 03:02:46,041 INFO L480 AbstractCegarLoop]: Abstraction has 421 states and 628 transitions. [2021-04-16 03:02:46,041 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:46,041 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 628 transitions. [2021-04-16 03:02:46,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-04-16 03:02:46,042 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 03:02:46,042 INFO L519 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, 1] [2021-04-16 03:02:46,042 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-16 03:02:46,042 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 03:02:46,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 03:02:46,042 INFO L82 PathProgramCache]: Analyzing trace with hash -1869391561, now seen corresponding path program 1 times [2021-04-16 03:02:46,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 03:02:46,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145715098] [2021-04-16 03:02:46,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 03:02:46,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:46,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:46,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:46,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:46,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 03:02:46,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:46,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 03:02:46,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:46,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 03:02:46,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:46,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:46,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 03:02:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:46,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:46,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:46,107 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-04-16 03:02:46,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145715098] [2021-04-16 03:02:46,107 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 03:02:46,107 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-16 03:02:46,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324571723] [2021-04-16 03:02:46,107 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-16 03:02:46,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 03:02:46,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-16 03:02:46,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-16 03:02:46,108 INFO L87 Difference]: Start difference. First operand 421 states and 628 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:46,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 03:02:46,506 INFO L93 Difference]: Finished difference Result 463 states and 679 transitions. [2021-04-16 03:02:46,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-16 03:02:46,507 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 78 [2021-04-16 03:02:46,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 03:02:46,508 INFO L225 Difference]: With dead ends: 463 [2021-04-16 03:02:46,508 INFO L226 Difference]: Without dead ends: 463 [2021-04-16 03:02:46,508 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 34.7ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-16 03:02:46,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2021-04-16 03:02:46,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 421. [2021-04-16 03:02:46,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 416 states have (on average 1.4951923076923077) internal successors, (622), 416 states have internal predecessors, (622), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:46,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 626 transitions. [2021-04-16 03:02:46,514 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 626 transitions. Word has length 78 [2021-04-16 03:02:46,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 03:02:46,514 INFO L480 AbstractCegarLoop]: Abstraction has 421 states and 626 transitions. [2021-04-16 03:02:46,515 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:46,515 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 626 transitions. [2021-04-16 03:02:46,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-04-16 03:02:46,515 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 03:02:46,515 INFO L519 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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] [2021-04-16 03:02:46,516 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-04-16 03:02:46,516 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 03:02:46,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 03:02:46,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1977161256, now seen corresponding path program 1 times [2021-04-16 03:02:46,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 03:02:46,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040850176] [2021-04-16 03:02:46,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 03:02:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:46,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:46,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:46,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:46,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 03:02:46,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:46,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 03:02:46,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:46,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 03:02:46,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:46,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:46,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 03:02:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:46,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:46,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:46,597 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-04-16 03:02:46,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040850176] [2021-04-16 03:02:46,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 03:02:46,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-16 03:02:46,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421779513] [2021-04-16 03:02:46,598 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-16 03:02:46,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 03:02:46,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-16 03:02:46,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-16 03:02:46,600 INFO L87 Difference]: Start difference. First operand 421 states and 626 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:46,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 03:02:46,992 INFO L93 Difference]: Finished difference Result 463 states and 677 transitions. [2021-04-16 03:02:46,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-16 03:02:46,993 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 78 [2021-04-16 03:02:46,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 03:02:46,994 INFO L225 Difference]: With dead ends: 463 [2021-04-16 03:02:46,994 INFO L226 Difference]: Without dead ends: 463 [2021-04-16 03:02:46,995 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 44.1ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-16 03:02:46,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2021-04-16 03:02:46,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 421. [2021-04-16 03:02:47,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 416 states have (on average 1.4903846153846154) internal successors, (620), 416 states have internal predecessors, (620), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:47,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 624 transitions. [2021-04-16 03:02:47,001 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 624 transitions. Word has length 78 [2021-04-16 03:02:47,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 03:02:47,002 INFO L480 AbstractCegarLoop]: Abstraction has 421 states and 624 transitions. [2021-04-16 03:02:47,002 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:47,002 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 624 transitions. [2021-04-16 03:02:47,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-04-16 03:02:47,003 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 03:02:47,003 INFO L519 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 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, 1] [2021-04-16 03:02:47,003 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-04-16 03:02:47,003 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 03:02:47,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 03:02:47,003 INFO L82 PathProgramCache]: Analyzing trace with hash -913417389, now seen corresponding path program 1 times [2021-04-16 03:02:47,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 03:02:47,003 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838734849] [2021-04-16 03:02:47,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 03:02:47,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:47,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:47,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:47,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:47,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 03:02:47,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:47,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 03:02:47,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:47,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 03:02:47,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:47,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:47,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 03:02:47,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:47,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:47,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:47,080 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-04-16 03:02:47,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838734849] [2021-04-16 03:02:47,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 03:02:47,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-16 03:02:47,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299332770] [2021-04-16 03:02:47,080 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-16 03:02:47,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 03:02:47,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-16 03:02:47,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-16 03:02:47,081 INFO L87 Difference]: Start difference. First operand 421 states and 624 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:47,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 03:02:47,594 INFO L93 Difference]: Finished difference Result 535 states and 782 transitions. [2021-04-16 03:02:47,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-16 03:02:47,594 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 79 [2021-04-16 03:02:47,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 03:02:47,596 INFO L225 Difference]: With dead ends: 535 [2021-04-16 03:02:47,596 INFO L226 Difference]: Without dead ends: 535 [2021-04-16 03:02:47,596 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 38.7ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-16 03:02:47,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2021-04-16 03:02:47,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 421. [2021-04-16 03:02:47,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 416 states have (on average 1.4855769230769231) internal successors, (618), 416 states have internal predecessors, (618), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:47,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 622 transitions. [2021-04-16 03:02:47,602 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 622 transitions. Word has length 79 [2021-04-16 03:02:47,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 03:02:47,603 INFO L480 AbstractCegarLoop]: Abstraction has 421 states and 622 transitions. [2021-04-16 03:02:47,603 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:47,603 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 622 transitions. [2021-04-16 03:02:47,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-04-16 03:02:47,605 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 03:02:47,605 INFO L519 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 03:02:47,605 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-04-16 03:02:47,605 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 03:02:47,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 03:02:47,606 INFO L82 PathProgramCache]: Analyzing trace with hash 597539124, now seen corresponding path program 1 times [2021-04-16 03:02:47,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 03:02:47,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106469088] [2021-04-16 03:02:47,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 03:02:47,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:47,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:47,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:47,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:47,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 03:02:47,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:47,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 03:02:47,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:47,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 03:02:47,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:47,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:47,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 03:02:47,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:47,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:47,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:47,666 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-04-16 03:02:47,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106469088] [2021-04-16 03:02:47,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 03:02:47,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-16 03:02:47,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140259479] [2021-04-16 03:02:47,667 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-16 03:02:47,667 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 03:02:47,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-16 03:02:47,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-16 03:02:47,667 INFO L87 Difference]: Start difference. First operand 421 states and 622 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:48,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 03:02:48,166 INFO L93 Difference]: Finished difference Result 529 states and 773 transitions. [2021-04-16 03:02:48,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-16 03:02:48,166 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 79 [2021-04-16 03:02:48,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 03:02:48,168 INFO L225 Difference]: With dead ends: 529 [2021-04-16 03:02:48,168 INFO L226 Difference]: Without dead ends: 529 [2021-04-16 03:02:48,168 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 33.3ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-16 03:02:48,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2021-04-16 03:02:48,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 421. [2021-04-16 03:02:48,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 416 states have (on average 1.4807692307692308) internal successors, (616), 416 states have internal predecessors, (616), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:48,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 620 transitions. [2021-04-16 03:02:48,175 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 620 transitions. Word has length 79 [2021-04-16 03:02:48,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 03:02:48,175 INFO L480 AbstractCegarLoop]: Abstraction has 421 states and 620 transitions. [2021-04-16 03:02:48,175 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:48,176 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 620 transitions. [2021-04-16 03:02:48,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-04-16 03:02:48,176 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 03:02:48,176 INFO L519 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 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, 1] [2021-04-16 03:02:48,177 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-04-16 03:02:48,177 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 03:02:48,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 03:02:48,177 INFO L82 PathProgramCache]: Analyzing trace with hash 548162610, now seen corresponding path program 1 times [2021-04-16 03:02:48,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 03:02:48,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550984841] [2021-04-16 03:02:48,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 03:02:48,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:48,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:48,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:48,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:48,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 03:02:48,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:48,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 03:02:48,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:48,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 03:02:48,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:48,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:48,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 03:02:48,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:48,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:48,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:48,254 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-04-16 03:02:48,254 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550984841] [2021-04-16 03:02:48,255 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 03:02:48,255 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-16 03:02:48,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079991149] [2021-04-16 03:02:48,256 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-16 03:02:48,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 03:02:48,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-16 03:02:48,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-16 03:02:48,258 INFO L87 Difference]: Start difference. First operand 421 states and 620 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:48,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 03:02:48,709 INFO L93 Difference]: Finished difference Result 463 states and 671 transitions. [2021-04-16 03:02:48,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-16 03:02:48,710 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 79 [2021-04-16 03:02:48,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 03:02:48,711 INFO L225 Difference]: With dead ends: 463 [2021-04-16 03:02:48,711 INFO L226 Difference]: Without dead ends: 463 [2021-04-16 03:02:48,711 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 38.5ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-16 03:02:48,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2021-04-16 03:02:48,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 421. [2021-04-16 03:02:48,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 416 states have (on average 1.4759615384615385) internal successors, (614), 416 states have internal predecessors, (614), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:48,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 618 transitions. [2021-04-16 03:02:48,717 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 618 transitions. Word has length 79 [2021-04-16 03:02:48,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 03:02:48,717 INFO L480 AbstractCegarLoop]: Abstraction has 421 states and 618 transitions. [2021-04-16 03:02:48,717 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:48,717 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 618 transitions. [2021-04-16 03:02:48,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-04-16 03:02:48,718 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 03:02:48,718 INFO L519 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 03:02:48,718 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-04-16 03:02:48,718 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 03:02:48,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 03:02:48,718 INFO L82 PathProgramCache]: Analyzing trace with hash 2059119123, now seen corresponding path program 1 times [2021-04-16 03:02:48,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 03:02:48,718 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959474324] [2021-04-16 03:02:48,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 03:02:48,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:48,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:48,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:48,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:48,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 03:02:48,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:48,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 03:02:48,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:48,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 03:02:48,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:48,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:48,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 03:02:48,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:48,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:48,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:48,789 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-04-16 03:02:48,789 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959474324] [2021-04-16 03:02:48,789 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 03:02:48,790 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-16 03:02:48,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947208778] [2021-04-16 03:02:48,790 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-16 03:02:48,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 03:02:48,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-16 03:02:48,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-16 03:02:48,793 INFO L87 Difference]: Start difference. First operand 421 states and 618 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:49,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 03:02:49,234 INFO L93 Difference]: Finished difference Result 457 states and 662 transitions. [2021-04-16 03:02:49,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-16 03:02:49,234 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 79 [2021-04-16 03:02:49,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 03:02:49,236 INFO L225 Difference]: With dead ends: 457 [2021-04-16 03:02:49,236 INFO L226 Difference]: Without dead ends: 457 [2021-04-16 03:02:49,236 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 38.4ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-16 03:02:49,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2021-04-16 03:02:49,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 421. [2021-04-16 03:02:49,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 416 states have (on average 1.4711538461538463) internal successors, (612), 416 states have internal predecessors, (612), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:49,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 616 transitions. [2021-04-16 03:02:49,242 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 616 transitions. Word has length 79 [2021-04-16 03:02:49,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 03:02:49,242 INFO L480 AbstractCegarLoop]: Abstraction has 421 states and 616 transitions. [2021-04-16 03:02:49,242 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:49,242 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 616 transitions. [2021-04-16 03:02:49,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-04-16 03:02:49,243 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 03:02:49,243 INFO L519 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 03:02:49,243 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-04-16 03:02:49,243 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 03:02:49,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 03:02:49,244 INFO L82 PathProgramCache]: Analyzing trace with hash 1521790618, now seen corresponding path program 1 times [2021-04-16 03:02:49,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 03:02:49,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574695720] [2021-04-16 03:02:49,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 03:02:49,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:49,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:49,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:49,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:49,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 03:02:49,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:49,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 03:02:49,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:49,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 03:02:49,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:49,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:49,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 03:02:49,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:49,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:49,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:49,316 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-04-16 03:02:49,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574695720] [2021-04-16 03:02:49,316 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 03:02:49,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-16 03:02:49,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932155770] [2021-04-16 03:02:49,318 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-16 03:02:49,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 03:02:49,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-16 03:02:49,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-16 03:02:49,319 INFO L87 Difference]: Start difference. First operand 421 states and 616 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:49,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 03:02:49,837 INFO L93 Difference]: Finished difference Result 529 states and 767 transitions. [2021-04-16 03:02:49,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-16 03:02:49,838 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 80 [2021-04-16 03:02:49,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 03:02:49,839 INFO L225 Difference]: With dead ends: 529 [2021-04-16 03:02:49,839 INFO L226 Difference]: Without dead ends: 529 [2021-04-16 03:02:49,839 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 36.6ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-16 03:02:49,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2021-04-16 03:02:49,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 421. [2021-04-16 03:02:49,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 416 states have (on average 1.4663461538461537) internal successors, (610), 416 states have internal predecessors, (610), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:49,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 614 transitions. [2021-04-16 03:02:49,845 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 614 transitions. Word has length 80 [2021-04-16 03:02:49,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 03:02:49,845 INFO L480 AbstractCegarLoop]: Abstraction has 421 states and 614 transitions. [2021-04-16 03:02:49,845 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:49,845 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 614 transitions. [2021-04-16 03:02:49,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-04-16 03:02:49,846 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 03:02:49,846 INFO L519 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 03:02:49,846 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-04-16 03:02:49,846 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 03:02:49,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 03:02:49,846 INFO L82 PathProgramCache]: Analyzing trace with hash -413869669, now seen corresponding path program 1 times [2021-04-16 03:02:49,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 03:02:49,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210191066] [2021-04-16 03:02:49,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 03:02:49,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:49,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:49,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:49,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:49,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 03:02:49,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:49,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 03:02:49,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:49,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 03:02:49,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:49,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:49,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 03:02:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:49,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:49,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:49,898 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-04-16 03:02:49,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210191066] [2021-04-16 03:02:49,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 03:02:49,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-16 03:02:49,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855469627] [2021-04-16 03:02:49,900 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-16 03:02:49,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 03:02:49,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-16 03:02:49,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-16 03:02:49,900 INFO L87 Difference]: Start difference. First operand 421 states and 614 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:50,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 03:02:50,240 INFO L93 Difference]: Finished difference Result 457 states and 658 transitions. [2021-04-16 03:02:50,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-16 03:02:50,240 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 80 [2021-04-16 03:02:50,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 03:02:50,241 INFO L225 Difference]: With dead ends: 457 [2021-04-16 03:02:50,241 INFO L226 Difference]: Without dead ends: 457 [2021-04-16 03:02:50,242 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 31.8ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-16 03:02:50,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2021-04-16 03:02:50,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 421. [2021-04-16 03:02:50,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 416 states have (on average 1.4615384615384615) internal successors, (608), 416 states have internal predecessors, (608), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:50,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 612 transitions. [2021-04-16 03:02:50,256 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 612 transitions. Word has length 80 [2021-04-16 03:02:50,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 03:02:50,257 INFO L480 AbstractCegarLoop]: Abstraction has 421 states and 612 transitions. [2021-04-16 03:02:50,257 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:50,257 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 612 transitions. [2021-04-16 03:02:50,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-04-16 03:02:50,257 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 03:02:50,258 INFO L519 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 03:02:50,258 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-04-16 03:02:50,258 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 03:02:50,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 03:02:50,258 INFO L82 PathProgramCache]: Analyzing trace with hash 1148974748, now seen corresponding path program 1 times [2021-04-16 03:02:50,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 03:02:50,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904220676] [2021-04-16 03:02:50,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 03:02:50,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:50,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:50,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:50,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:50,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 03:02:50,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:50,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 03:02:50,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:50,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 03:02:50,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:50,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:50,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 03:02:50,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:50,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:50,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:50,312 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-04-16 03:02:50,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904220676] [2021-04-16 03:02:50,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 03:02:50,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-16 03:02:50,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473559641] [2021-04-16 03:02:50,313 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-16 03:02:50,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 03:02:50,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-16 03:02:50,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-16 03:02:50,313 INFO L87 Difference]: Start difference. First operand 421 states and 612 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:50,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 03:02:50,804 INFO L93 Difference]: Finished difference Result 529 states and 763 transitions. [2021-04-16 03:02:50,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-16 03:02:50,804 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 81 [2021-04-16 03:02:50,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 03:02:50,806 INFO L225 Difference]: With dead ends: 529 [2021-04-16 03:02:50,806 INFO L226 Difference]: Without dead ends: 529 [2021-04-16 03:02:50,806 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 34.7ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-16 03:02:50,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2021-04-16 03:02:50,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 421. [2021-04-16 03:02:50,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 416 states have (on average 1.4567307692307692) internal successors, (606), 416 states have internal predecessors, (606), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:50,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 610 transitions. [2021-04-16 03:02:50,811 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 610 transitions. Word has length 81 [2021-04-16 03:02:50,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 03:02:50,811 INFO L480 AbstractCegarLoop]: Abstraction has 421 states and 610 transitions. [2021-04-16 03:02:50,811 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:50,812 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 610 transitions. [2021-04-16 03:02:50,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-04-16 03:02:50,812 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 03:02:50,812 INFO L519 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 03:02:50,813 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-04-16 03:02:50,813 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 03:02:50,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 03:02:50,813 INFO L82 PathProgramCache]: Analyzing trace with hash 756227318, now seen corresponding path program 1 times [2021-04-16 03:02:50,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 03:02:50,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507942652] [2021-04-16 03:02:50,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 03:02:50,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:50,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:50,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:50,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:50,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-16 03:02:50,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:50,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 03:02:50,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:50,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 03:02:50,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:50,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:50,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 03:02:50,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:50,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:50,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:50,871 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-04-16 03:02:50,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507942652] [2021-04-16 03:02:50,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 03:02:50,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-16 03:02:50,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737853427] [2021-04-16 03:02:50,872 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-16 03:02:50,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 03:02:50,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-16 03:02:50,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-16 03:02:50,872 INFO L87 Difference]: Start difference. First operand 421 states and 610 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:51,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 03:02:51,371 INFO L93 Difference]: Finished difference Result 511 states and 739 transitions. [2021-04-16 03:02:51,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-16 03:02:51,371 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 81 [2021-04-16 03:02:51,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 03:02:51,373 INFO L225 Difference]: With dead ends: 511 [2021-04-16 03:02:51,373 INFO L226 Difference]: Without dead ends: 511 [2021-04-16 03:02:51,373 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 35.5ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-16 03:02:51,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2021-04-16 03:02:51,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 421. [2021-04-16 03:02:51,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 416 states have (on average 1.4519230769230769) internal successors, (604), 416 states have internal predecessors, (604), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:51,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 608 transitions. [2021-04-16 03:02:51,378 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 608 transitions. Word has length 81 [2021-04-16 03:02:51,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 03:02:51,379 INFO L480 AbstractCegarLoop]: Abstraction has 421 states and 608 transitions. [2021-04-16 03:02:51,379 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:51,379 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 608 transitions. [2021-04-16 03:02:51,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-04-16 03:02:51,380 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 03:02:51,380 INFO L519 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 03:02:51,380 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-04-16 03:02:51,380 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 03:02:51,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 03:02:51,380 INFO L82 PathProgramCache]: Analyzing trace with hash 1273047995, now seen corresponding path program 1 times [2021-04-16 03:02:51,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 03:02:51,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456175664] [2021-04-16 03:02:51,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 03:02:51,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:51,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:51,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:51,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:51,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 03:02:51,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:51,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:51,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 03:02:51,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:51,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:51,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:51,438 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-04-16 03:02:51,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456175664] [2021-04-16 03:02:51,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 03:02:51,438 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-16 03:02:51,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960862393] [2021-04-16 03:02:51,438 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-16 03:02:51,438 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 03:02:51,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-16 03:02:51,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-16 03:02:51,439 INFO L87 Difference]: Start difference. First operand 421 states and 608 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:51,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 03:02:51,840 INFO L93 Difference]: Finished difference Result 573 states and 826 transitions. [2021-04-16 03:02:51,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-16 03:02:51,840 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 81 [2021-04-16 03:02:51,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 03:02:51,842 INFO L225 Difference]: With dead ends: 573 [2021-04-16 03:02:51,842 INFO L226 Difference]: Without dead ends: 573 [2021-04-16 03:02:51,842 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.3ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-16 03:02:51,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2021-04-16 03:02:51,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 573. [2021-04-16 03:02:51,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 568 states have (on average 1.4471830985915493) internal successors, (822), 568 states have internal predecessors, (822), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:51,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 826 transitions. [2021-04-16 03:02:51,848 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 826 transitions. Word has length 81 [2021-04-16 03:02:51,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 03:02:51,848 INFO L480 AbstractCegarLoop]: Abstraction has 573 states and 826 transitions. [2021-04-16 03:02:51,849 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:51,849 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 826 transitions. [2021-04-16 03:02:51,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-04-16 03:02:51,849 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 03:02:51,850 INFO L519 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 03:02:51,850 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-04-16 03:02:51,850 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 03:02:51,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 03:02:51,850 INFO L82 PathProgramCache]: Analyzing trace with hash 1327386226, now seen corresponding path program 1 times [2021-04-16 03:02:51,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 03:02:51,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410120238] [2021-04-16 03:02:51,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 03:02:51,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:51,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:51,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:51,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:51,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 03:02:51,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:51,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:51,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 03:02:51,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:51,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:51,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:51,909 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-04-16 03:02:51,909 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410120238] [2021-04-16 03:02:51,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 03:02:51,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-16 03:02:51,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862707014] [2021-04-16 03:02:51,909 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-16 03:02:51,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 03:02:51,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-16 03:02:51,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-16 03:02:51,910 INFO L87 Difference]: Start difference. First operand 573 states and 826 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:52,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 03:02:52,173 INFO L93 Difference]: Finished difference Result 726 states and 1049 transitions. [2021-04-16 03:02:52,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-16 03:02:52,173 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 83 [2021-04-16 03:02:52,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 03:02:52,175 INFO L225 Difference]: With dead ends: 726 [2021-04-16 03:02:52,175 INFO L226 Difference]: Without dead ends: 726 [2021-04-16 03:02:52,176 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 29.0ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-16 03:02:52,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2021-04-16 03:02:52,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 726. [2021-04-16 03:02:52,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 726 states, 721 states have (on average 1.449375866851595) internal successors, (1045), 721 states have internal predecessors, (1045), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:52,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 1049 transitions. [2021-04-16 03:02:52,183 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 1049 transitions. Word has length 83 [2021-04-16 03:02:52,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 03:02:52,183 INFO L480 AbstractCegarLoop]: Abstraction has 726 states and 1049 transitions. [2021-04-16 03:02:52,184 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:52,184 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 1049 transitions. [2021-04-16 03:02:52,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-04-16 03:02:52,185 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 03:02:52,185 INFO L519 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 03:02:52,185 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-04-16 03:02:52,185 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 03:02:52,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 03:02:52,185 INFO L82 PathProgramCache]: Analyzing trace with hash -1358069101, now seen corresponding path program 1 times [2021-04-16 03:02:52,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 03:02:52,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186044373] [2021-04-16 03:02:52,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 03:02:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:52,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:52,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:52,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:52,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 03:02:52,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:52,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:52,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 03:02:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:52,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:52,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:52,242 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-04-16 03:02:52,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186044373] [2021-04-16 03:02:52,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 03:02:52,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-16 03:02:52,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886218628] [2021-04-16 03:02:52,243 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-16 03:02:52,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 03:02:52,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-16 03:02:52,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-16 03:02:52,244 INFO L87 Difference]: Start difference. First operand 726 states and 1049 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:52,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 03:02:52,629 INFO L93 Difference]: Finished difference Result 723 states and 1039 transitions. [2021-04-16 03:02:52,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-16 03:02:52,630 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 104 [2021-04-16 03:02:52,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 03:02:52,632 INFO L225 Difference]: With dead ends: 723 [2021-04-16 03:02:52,632 INFO L226 Difference]: Without dead ends: 723 [2021-04-16 03:02:52,632 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.8ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-16 03:02:52,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2021-04-16 03:02:52,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 723. [2021-04-16 03:02:52,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 723 states, 718 states have (on average 1.4415041782729805) internal successors, (1035), 718 states have internal predecessors, (1035), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:52,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 1039 transitions. [2021-04-16 03:02:52,642 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 1039 transitions. Word has length 104 [2021-04-16 03:02:52,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 03:02:52,642 INFO L480 AbstractCegarLoop]: Abstraction has 723 states and 1039 transitions. [2021-04-16 03:02:52,642 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:52,642 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 1039 transitions. [2021-04-16 03:02:52,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-04-16 03:02:52,643 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 03:02:52,643 INFO L519 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 03:02:52,643 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-04-16 03:02:52,644 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 03:02:52,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 03:02:52,644 INFO L82 PathProgramCache]: Analyzing trace with hash 596214831, now seen corresponding path program 1 times [2021-04-16 03:02:52,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 03:02:52,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622779987] [2021-04-16 03:02:52,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 03:02:52,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:52,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:52,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:52,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:52,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 03:02:52,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:52,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 03:02:52,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:52,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:52,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 03:02:52,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:52,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:52,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:52,747 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-04-16 03:02:52,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622779987] [2021-04-16 03:02:52,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 03:02:52,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-16 03:02:52,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148471048] [2021-04-16 03:02:52,748 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-16 03:02:52,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 03:02:52,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-16 03:02:52,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-16 03:02:52,748 INFO L87 Difference]: Start difference. First operand 723 states and 1039 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:53,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 03:02:53,162 INFO L93 Difference]: Finished difference Result 979 states and 1408 transitions. [2021-04-16 03:02:53,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-16 03:02:53,163 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 106 [2021-04-16 03:02:53,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 03:02:53,165 INFO L225 Difference]: With dead ends: 979 [2021-04-16 03:02:53,165 INFO L226 Difference]: Without dead ends: 979 [2021-04-16 03:02:53,166 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 63.4ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-16 03:02:53,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 979 states. [2021-04-16 03:02:53,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 979 to 843. [2021-04-16 03:02:53,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 843 states, 838 states have (on average 1.4856801909307875) internal successors, (1245), 838 states have internal predecessors, (1245), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:53,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 843 states and 1249 transitions. [2021-04-16 03:02:53,182 INFO L78 Accepts]: Start accepts. Automaton has 843 states and 1249 transitions. Word has length 106 [2021-04-16 03:02:53,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 03:02:53,183 INFO L480 AbstractCegarLoop]: Abstraction has 843 states and 1249 transitions. [2021-04-16 03:02:53,183 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:53,183 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1249 transitions. [2021-04-16 03:02:53,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-04-16 03:02:53,185 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 03:02:53,185 INFO L519 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 03:02:53,185 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-04-16 03:02:53,185 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 03:02:53,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 03:02:53,186 INFO L82 PathProgramCache]: Analyzing trace with hash -903827051, now seen corresponding path program 1 times [2021-04-16 03:02:53,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 03:02:53,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072105497] [2021-04-16 03:02:53,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 03:02:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:53,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:53,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:53,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:53,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 03:02:53,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:53,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 03:02:53,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:53,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:53,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 03:02:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:53,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:53,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:53,255 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-04-16 03:02:53,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072105497] [2021-04-16 03:02:53,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 03:02:53,256 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-16 03:02:53,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401358517] [2021-04-16 03:02:53,256 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-16 03:02:53,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 03:02:53,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-16 03:02:53,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-16 03:02:53,258 INFO L87 Difference]: Start difference. First operand 843 states and 1249 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:53,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 03:02:53,712 INFO L93 Difference]: Finished difference Result 974 states and 1398 transitions. [2021-04-16 03:02:53,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-16 03:02:53,712 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 121 [2021-04-16 03:02:53,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 03:02:53,716 INFO L225 Difference]: With dead ends: 974 [2021-04-16 03:02:53,716 INFO L226 Difference]: Without dead ends: 974 [2021-04-16 03:02:53,716 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 32.0ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-16 03:02:53,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 974 states. [2021-04-16 03:02:53,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 974 to 843. [2021-04-16 03:02:53,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 843 states, 838 states have (on average 1.4797136038186158) internal successors, (1240), 838 states have internal predecessors, (1240), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:53,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 843 states and 1244 transitions. [2021-04-16 03:02:53,730 INFO L78 Accepts]: Start accepts. Automaton has 843 states and 1244 transitions. Word has length 121 [2021-04-16 03:02:53,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 03:02:53,730 INFO L480 AbstractCegarLoop]: Abstraction has 843 states and 1244 transitions. [2021-04-16 03:02:53,730 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:53,730 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1244 transitions. [2021-04-16 03:02:53,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-04-16 03:02:53,732 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 03:02:53,732 INFO L519 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 03:02:53,733 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-04-16 03:02:53,733 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 03:02:53,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 03:02:53,733 INFO L82 PathProgramCache]: Analyzing trace with hash -2062011979, now seen corresponding path program 1 times [2021-04-16 03:02:53,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 03:02:53,734 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212024791] [2021-04-16 03:02:53,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 03:02:53,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:53,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:53,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:53,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:53,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 03:02:53,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:53,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 03:02:53,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:53,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:53,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 03:02:53,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:53,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:53,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:53,826 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-04-16 03:02:53,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212024791] [2021-04-16 03:02:53,826 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 03:02:53,826 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-16 03:02:53,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771013986] [2021-04-16 03:02:53,826 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-16 03:02:53,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 03:02:53,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-16 03:02:53,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-16 03:02:53,827 INFO L87 Difference]: Start difference. First operand 843 states and 1244 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:54,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 03:02:54,211 INFO L93 Difference]: Finished difference Result 974 states and 1393 transitions. [2021-04-16 03:02:54,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-16 03:02:54,212 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 121 [2021-04-16 03:02:54,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 03:02:54,215 INFO L225 Difference]: With dead ends: 974 [2021-04-16 03:02:54,215 INFO L226 Difference]: Without dead ends: 974 [2021-04-16 03:02:54,215 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 30.1ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-16 03:02:54,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 974 states. [2021-04-16 03:02:54,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 974 to 843. [2021-04-16 03:02:54,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 843 states, 838 states have (on average 1.473747016706444) internal successors, (1235), 838 states have internal predecessors, (1235), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:54,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 843 states and 1239 transitions. [2021-04-16 03:02:54,225 INFO L78 Accepts]: Start accepts. Automaton has 843 states and 1239 transitions. Word has length 121 [2021-04-16 03:02:54,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 03:02:54,225 INFO L480 AbstractCegarLoop]: Abstraction has 843 states and 1239 transitions. [2021-04-16 03:02:54,226 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:54,226 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1239 transitions. [2021-04-16 03:02:54,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-04-16 03:02:54,227 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 03:02:54,227 INFO L519 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 03:02:54,227 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-04-16 03:02:54,227 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 03:02:54,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 03:02:54,228 INFO L82 PathProgramCache]: Analyzing trace with hash 1745493526, now seen corresponding path program 1 times [2021-04-16 03:02:54,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 03:02:54,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986576186] [2021-04-16 03:02:54,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 03:02:54,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:54,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:54,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:54,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:54,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 03:02:54,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:54,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 03:02:54,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:54,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:54,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 03:02:54,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:54,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:54,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:54,293 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2021-04-16 03:02:54,293 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986576186] [2021-04-16 03:02:54,294 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 03:02:54,294 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-16 03:02:54,294 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573578123] [2021-04-16 03:02:54,294 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-16 03:02:54,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 03:02:54,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-16 03:02:54,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-16 03:02:54,294 INFO L87 Difference]: Start difference. First operand 843 states and 1239 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:54,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 03:02:54,665 INFO L93 Difference]: Finished difference Result 981 states and 1438 transitions. [2021-04-16 03:02:54,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-16 03:02:54,665 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 121 [2021-04-16 03:02:54,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 03:02:54,668 INFO L225 Difference]: With dead ends: 981 [2021-04-16 03:02:54,668 INFO L226 Difference]: Without dead ends: 981 [2021-04-16 03:02:54,668 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 29.6ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-16 03:02:54,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 981 states. [2021-04-16 03:02:54,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 981 to 915. [2021-04-16 03:02:54,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 915 states, 910 states have (on average 1.489010989010989) internal successors, (1355), 910 states have internal predecessors, (1355), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:54,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 915 states and 1359 transitions. [2021-04-16 03:02:54,678 INFO L78 Accepts]: Start accepts. Automaton has 915 states and 1359 transitions. Word has length 121 [2021-04-16 03:02:54,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 03:02:54,678 INFO L480 AbstractCegarLoop]: Abstraction has 915 states and 1359 transitions. [2021-04-16 03:02:54,678 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:54,678 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1359 transitions. [2021-04-16 03:02:54,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-04-16 03:02:54,680 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 03:02:54,680 INFO L519 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 03:02:54,680 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-04-16 03:02:54,680 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 03:02:54,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 03:02:54,680 INFO L82 PathProgramCache]: Analyzing trace with hash 586575468, now seen corresponding path program 1 times [2021-04-16 03:02:54,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 03:02:54,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976051639] [2021-04-16 03:02:54,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 03:02:54,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:54,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:54,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:54,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:54,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 03:02:54,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:54,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 03:02:54,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:54,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:54,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 03:02:54,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:54,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:54,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:54,750 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-04-16 03:02:54,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976051639] [2021-04-16 03:02:54,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 03:02:54,750 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-16 03:02:54,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916261896] [2021-04-16 03:02:54,751 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-16 03:02:54,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 03:02:54,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-16 03:02:54,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-16 03:02:54,751 INFO L87 Difference]: Start difference. First operand 915 states and 1359 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:55,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 03:02:55,137 INFO L93 Difference]: Finished difference Result 1046 states and 1508 transitions. [2021-04-16 03:02:55,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-16 03:02:55,138 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 122 [2021-04-16 03:02:55,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 03:02:55,140 INFO L225 Difference]: With dead ends: 1046 [2021-04-16 03:02:55,140 INFO L226 Difference]: Without dead ends: 1046 [2021-04-16 03:02:55,140 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 34.7ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-16 03:02:55,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1046 states. [2021-04-16 03:02:55,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1046 to 915. [2021-04-16 03:02:55,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 915 states, 910 states have (on average 1.4835164835164836) internal successors, (1350), 910 states have internal predecessors, (1350), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:55,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 915 states and 1354 transitions. [2021-04-16 03:02:55,150 INFO L78 Accepts]: Start accepts. Automaton has 915 states and 1354 transitions. Word has length 122 [2021-04-16 03:02:55,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 03:02:55,150 INFO L480 AbstractCegarLoop]: Abstraction has 915 states and 1354 transitions. [2021-04-16 03:02:55,150 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:55,150 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1354 transitions. [2021-04-16 03:02:55,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-04-16 03:02:55,152 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 03:02:55,152 INFO L519 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 03:02:55,152 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-04-16 03:02:55,152 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 03:02:55,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 03:02:55,152 INFO L82 PathProgramCache]: Analyzing trace with hash 943634585, now seen corresponding path program 1 times [2021-04-16 03:02:55,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 03:02:55,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55669329] [2021-04-16 03:02:55,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 03:02:55,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:55,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:55,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:55,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:55,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 03:02:55,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:55,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 03:02:55,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:55,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:55,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 03:02:55,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:55,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:55,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:55,236 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-04-16 03:02:55,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55669329] [2021-04-16 03:02:55,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 03:02:55,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-16 03:02:55,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342031262] [2021-04-16 03:02:55,236 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-16 03:02:55,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 03:02:55,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-16 03:02:55,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-16 03:02:55,237 INFO L87 Difference]: Start difference. First operand 915 states and 1354 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:55,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 03:02:55,609 INFO L93 Difference]: Finished difference Result 1046 states and 1503 transitions. [2021-04-16 03:02:55,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-16 03:02:55,609 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 123 [2021-04-16 03:02:55,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 03:02:55,612 INFO L225 Difference]: With dead ends: 1046 [2021-04-16 03:02:55,612 INFO L226 Difference]: Without dead ends: 1046 [2021-04-16 03:02:55,612 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 49.6ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-16 03:02:55,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1046 states. [2021-04-16 03:02:55,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1046 to 915. [2021-04-16 03:02:55,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 915 states, 910 states have (on average 1.478021978021978) internal successors, (1345), 910 states have internal predecessors, (1345), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:55,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 915 states and 1349 transitions. [2021-04-16 03:02:55,621 INFO L78 Accepts]: Start accepts. Automaton has 915 states and 1349 transitions. Word has length 123 [2021-04-16 03:02:55,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 03:02:55,621 INFO L480 AbstractCegarLoop]: Abstraction has 915 states and 1349 transitions. [2021-04-16 03:02:55,621 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:55,621 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1349 transitions. [2021-04-16 03:02:55,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-04-16 03:02:55,623 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 03:02:55,623 INFO L519 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 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] [2021-04-16 03:02:55,623 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-04-16 03:02:55,623 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 03:02:55,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 03:02:55,623 INFO L82 PathProgramCache]: Analyzing trace with hash 639627317, now seen corresponding path program 1 times [2021-04-16 03:02:55,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 03:02:55,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868697094] [2021-04-16 03:02:55,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 03:02:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:55,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:55,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:55,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:55,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 03:02:55,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:55,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 03:02:55,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:55,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:55,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 03:02:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:55,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:55,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:55,686 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2021-04-16 03:02:55,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868697094] [2021-04-16 03:02:55,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 03:02:55,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-16 03:02:55,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568800238] [2021-04-16 03:02:55,687 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-16 03:02:55,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 03:02:55,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-16 03:02:55,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-16 03:02:55,687 INFO L87 Difference]: Start difference. First operand 915 states and 1349 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:56,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 03:02:56,114 INFO L93 Difference]: Finished difference Result 1146 states and 1683 transitions. [2021-04-16 03:02:56,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-16 03:02:56,115 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 124 [2021-04-16 03:02:56,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 03:02:56,117 INFO L225 Difference]: With dead ends: 1146 [2021-04-16 03:02:56,117 INFO L226 Difference]: Without dead ends: 1146 [2021-04-16 03:02:56,118 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 34.0ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-16 03:02:56,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1146 states. [2021-04-16 03:02:56,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1146 to 1025. [2021-04-16 03:02:56,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1025 states, 1020 states have (on average 1.5049019607843137) internal successors, (1535), 1020 states have internal predecessors, (1535), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:56,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 1025 states and 1539 transitions. [2021-04-16 03:02:56,127 INFO L78 Accepts]: Start accepts. Automaton has 1025 states and 1539 transitions. Word has length 124 [2021-04-16 03:02:56,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 03:02:56,127 INFO L480 AbstractCegarLoop]: Abstraction has 1025 states and 1539 transitions. [2021-04-16 03:02:56,127 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:56,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1025 states and 1539 transitions. [2021-04-16 03:02:56,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-04-16 03:02:56,129 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 03:02:56,129 INFO L519 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 03:02:56,129 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-04-16 03:02:56,129 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 03:02:56,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 03:02:56,129 INFO L82 PathProgramCache]: Analyzing trace with hash 1166469135, now seen corresponding path program 1 times [2021-04-16 03:02:56,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 03:02:56,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442320222] [2021-04-16 03:02:56,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 03:02:56,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:56,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:56,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:56,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:56,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-16 03:02:56,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:56,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 03:02:56,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:56,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:56,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 03:02:56,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:56,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:56,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:56,189 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-04-16 03:02:56,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442320222] [2021-04-16 03:02:56,189 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 03:02:56,190 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-16 03:02:56,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482545593] [2021-04-16 03:02:56,190 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-16 03:02:56,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 03:02:56,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-16 03:02:56,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-16 03:02:56,190 INFO L87 Difference]: Start difference. First operand 1025 states and 1539 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:56,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 03:02:56,557 INFO L93 Difference]: Finished difference Result 1111 states and 1633 transitions. [2021-04-16 03:02:56,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-16 03:02:56,562 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 124 [2021-04-16 03:02:56,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 03:02:56,564 INFO L225 Difference]: With dead ends: 1111 [2021-04-16 03:02:56,564 INFO L226 Difference]: Without dead ends: 1111 [2021-04-16 03:02:56,565 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 30.9ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-16 03:02:56,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1111 states. [2021-04-16 03:02:56,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1111 to 1025. [2021-04-16 03:02:56,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1025 states, 1020 states have (on average 1.5) internal successors, (1530), 1020 states have internal predecessors, (1530), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:56,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 1025 states and 1534 transitions. [2021-04-16 03:02:56,574 INFO L78 Accepts]: Start accepts. Automaton has 1025 states and 1534 transitions. Word has length 124 [2021-04-16 03:02:56,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 03:02:56,574 INFO L480 AbstractCegarLoop]: Abstraction has 1025 states and 1534 transitions. [2021-04-16 03:02:56,574 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:56,574 INFO L276 IsEmpty]: Start isEmpty. Operand 1025 states and 1534 transitions. [2021-04-16 03:02:56,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-04-16 03:02:56,576 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 03:02:56,576 INFO L519 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 03:02:56,576 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-04-16 03:02:56,576 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 03:02:56,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 03:02:56,577 INFO L82 PathProgramCache]: Analyzing trace with hash 998047110, now seen corresponding path program 1 times [2021-04-16 03:02:56,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 03:02:56,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867227166] [2021-04-16 03:02:56,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 03:02:56,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:56,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:56,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:56,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:56,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 03:02:56,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:56,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 03:02:56,677 INFO L142 QuantifierPusher]: treesize reduction 11, result has 76.1 percent of original size [2021-04-16 03:02:56,677 INFO L147 QuantifierPusher]: treesize reduction 6, result has 82.9 percent of original size 29 [2021-04-16 03:02:56,691 INFO L142 QuantifierPusher]: treesize reduction 11, result has 66.7 percent of original size [2021-04-16 03:02:56,692 INFO L147 QuantifierPusher]: treesize reduction 6, result has 72.7 percent of original size 16 [2021-04-16 03:02:56,697 INFO L142 QuantifierPusher]: treesize reduction 17, result has 37.0 percent of original size [2021-04-16 03:02:56,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-16 03:02:56,703 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-04-16 03:02:56,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:56,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:56,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:56,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 03:02:56,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 03:02:56,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 03:02:56,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 03:02:56,732 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2021-04-16 03:02:56,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867227166] [2021-04-16 03:02:56,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 03:02:56,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-16 03:02:56,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187249225] [2021-04-16 03:02:56,732 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-16 03:02:56,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-16 03:02:56,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-16 03:02:56,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-04-16 03:02:56,733 INFO L87 Difference]: Start difference. First operand 1025 states and 1534 transitions. Second operand has 7 states, 6 states have (on average 10.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:57,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 03:02:57,169 INFO L93 Difference]: Finished difference Result 1029 states and 1538 transitions. [2021-04-16 03:02:57,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-16 03:02:57,169 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 128 [2021-04-16 03:02:57,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 03:02:57,172 INFO L225 Difference]: With dead ends: 1029 [2021-04-16 03:02:57,172 INFO L226 Difference]: Without dead ends: 1029 [2021-04-16 03:02:57,173 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 102.6ms TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-04-16 03:02:57,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2021-04-16 03:02:57,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 1028. [2021-04-16 03:02:57,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1028 states, 1023 states have (on average 1.498533724340176) internal successors, (1533), 1023 states have internal predecessors, (1533), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:57,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 1028 states and 1537 transitions. [2021-04-16 03:02:57,183 INFO L78 Accepts]: Start accepts. Automaton has 1028 states and 1537 transitions. Word has length 128 [2021-04-16 03:02:57,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 03:02:57,184 INFO L480 AbstractCegarLoop]: Abstraction has 1028 states and 1537 transitions. [2021-04-16 03:02:57,184 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 6 states have (on average 10.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 03:02:57,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1537 transitions. [2021-04-16 03:02:57,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-04-16 03:02:57,186 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 03:02:57,186 INFO L519 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 03:02:57,186 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-04-16 03:02:57,186 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 03:02:57,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 03:02:57,186 INFO L82 PathProgramCache]: Analyzing trace with hash 144716696, now seen corresponding path program 1 times [2021-04-16 03:02:57,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-16 03:02:57,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585405971] [2021-04-16 03:02:57,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 03:02:57,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-16 03:02:57,263 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-16 03:02:57,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-16 03:02:57,353 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-16 03:02:57,410 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-16 03:02:57,410 INFO L620 BasicCegarLoop]: Counterexample might be feasible [2021-04-16 03:02:57,410 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-04-16 03:02:57,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.04 03:02:57 BasicIcfg [2021-04-16 03:02:57,523 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-16 03:02:57,523 INFO L168 Benchmark]: Toolchain (without parser) took 20083.81 ms. Allocated memory was 188.7 MB in the beginning and 314.6 MB in the end (delta: 125.8 MB). Free memory was 152.4 MB in the beginning and 140.5 MB in the end (delta: 11.9 MB). Peak memory consumption was 138.7 MB. Max. memory is 8.0 GB. [2021-04-16 03:02:57,523 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 188.7 MB. Free memory is still 170.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-04-16 03:02:57,527 INFO L168 Benchmark]: CACSL2BoogieTranslator took 490.18 ms. Allocated memory is still 188.7 MB. Free memory was 152.0 MB in the beginning and 154.5 MB in the end (delta: -2.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 8.0 GB. [2021-04-16 03:02:57,527 INFO L168 Benchmark]: Boogie Preprocessor took 101.42 ms. Allocated memory is still 188.7 MB. Free memory was 154.5 MB in the beginning and 147.7 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2021-04-16 03:02:57,527 INFO L168 Benchmark]: RCFGBuilder took 793.38 ms. Allocated memory is still 188.7 MB. Free memory was 147.7 MB in the beginning and 161.7 MB in the end (delta: -14.0 MB). Peak memory consumption was 90.8 MB. Max. memory is 8.0 GB. [2021-04-16 03:02:57,528 INFO L168 Benchmark]: IcfgTransformer took 56.38 ms. Allocated memory is still 188.7 MB. Free memory was 161.7 MB in the beginning and 157.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2021-04-16 03:02:57,528 INFO L168 Benchmark]: TraceAbstraction took 18634.05 ms. Allocated memory was 188.7 MB in the beginning and 314.6 MB in the end (delta: 125.8 MB). Free memory was 156.5 MB in the beginning and 140.5 MB in the end (delta: 16.0 MB). Peak memory consumption was 141.8 MB. Max. memory is 8.0 GB. [2021-04-16 03:02:57,529 INFO L339 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 188.7 MB. Free memory is still 170.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 490.18 ms. Allocated memory is still 188.7 MB. Free memory was 152.0 MB in the beginning and 154.5 MB in the end (delta: -2.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 101.42 ms. Allocated memory is still 188.7 MB. Free memory was 154.5 MB in the beginning and 147.7 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 793.38 ms. Allocated memory is still 188.7 MB. Free memory was 147.7 MB in the beginning and 161.7 MB in the end (delta: -14.0 MB). Peak memory consumption was 90.8 MB. Max. memory is 8.0 GB. * IcfgTransformer took 56.38 ms. Allocated memory is still 188.7 MB. Free memory was 161.7 MB in the beginning and 157.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 18634.05 ms. Allocated memory was 188.7 MB in the beginning and 314.6 MB in the end (delta: 125.8 MB). Free memory was 156.5 MB in the beginning and 140.5 MB in the end (delta: 16.0 MB). Peak memory consumption was 141.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1647]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 1332. Possible FailurePath: [L1041] static int init = 1; [L1042] static SSL_METHOD SSLv3_client_data ; VAL [\old(init)=4294967352, \old(SSLv3_client_data)=null, \old(SSLv3_client_data)=null, init=1, SSLv3_client_data={8:0}] [L1064] SSL *s ; [L1068] s = malloc (sizeof (SSL)) [L1069] s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1070] s->ctx = malloc(sizeof(SSL_CTX)) [L1071] s->state = 12292 [L1072] s->version = __VERIFIER_nondet_int() [L1073] CALL ssl3_connect(s) VAL [init=1, s={-3:0}, SSLv3_client_data={8:0}] [L1079] BUF_MEM *buf = (BUF_MEM *)__VERIFIER_nondet_ulong(); [L1080] unsigned long tmp ; [L1081] unsigned long l ; [L1082] long num1 ; [L1083] void (*cb)() ; [L1084] int ret ; [L1085] int new_state ; [L1086] int state ; [L1087] int skip ; [L1088] int *tmp___0 ; [L1089] int tmp___1 = __VERIFIER_nondet_int(); [L1090] int tmp___2 = __VERIFIER_nondet_int(); [L1091] int tmp___3 ; [L1092] int tmp___4 ; [L1093] int tmp___5 ; [L1094] int tmp___6 ; [L1095] int tmp___7 ; [L1096] int tmp___8 ; [L1097] long tmp___9 ; [L1099] int blastFlag ; [L1102] blastFlag = 0 [L1103] s->state = 12292 [L1104] s->hit = __VERIFIER_nondet_int() [L1106] tmp = __VERIFIER_nondet_int() [L1107] cb = (void (*)())((void *)0) [L1108] ret = -1 [L1109] skip = 0 [L1110] tmp___0 = (int*)malloc(sizeof(int)) [L1111] *tmp___0 = 0 [L1112] EXPR s->info_callback VAL [={0:0}, blastFlag=0, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=-1, s={-3:0}, s={-3:0}, s->info_callback={0:-4294967295}, skip=0, SSLv3_client_data={8:0}, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0] [L1112] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1113] EXPR s->info_callback [L1113] cb = s->info_callback [L1121] EXPR s->in_handshake [L1121] s->in_handshake += 1 [L1122] COND FALSE !(tmp___1 & 12288) VAL [={0:-4294967295}, blastFlag=0, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=-1, s={-3:0}, s={-3:0}, skip=0, SSLv3_client_data={8:0}, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0] [L1132] COND TRUE 1 VAL [={0:-4294967295}, blastFlag=0, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=-1, s={-3:0}, s={-3:0}, skip=0, SSLv3_client_data={8:0}, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0] [L1134] EXPR s->state [L1134] state = s->state [L1135] EXPR s->state VAL [={0:-4294967295}, blastFlag=0, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=-1, s={-3:0}, s={-3:0}, s->state=12292, skip=0, SSLv3_client_data={8:0}, state=12292, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0] [L1135] COND TRUE s->state == 12292 [L1238] s->new_session = 1 [L1239] s->state = 4096 [L1240] EXPR s->ctx [L1240] EXPR (s->ctx)->stats.sess_connect_renegotiate [L1240] (s->ctx)->stats.sess_connect_renegotiate += 1 [L1245] s->server = 0 VAL [={0:-4294967295}, blastFlag=0, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=-1, s={-3:0}, s={-3:0}, skip=0, SSLv3_client_data={8:0}, state=12292, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0] [L1246] COND TRUE (unsigned long )cb != (unsigned long )((void *)0) VAL [={0:-4294967295}, blastFlag=0, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=-1, s={-3:0}, s={-3:0}, skip=0, SSLv3_client_data={8:0}, state=12292, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0] [L1251] EXPR s->version VAL [={0:-4294967295}, blastFlag=0, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=-1, s={-3:0}, s={-3:0}, s->version=-2, skip=0, SSLv3_client_data={8:0}, state=12292, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0] [L1251] COND FALSE !((s->version & 65280) != 768) [L1257] s->type = 4096 [L1258] EXPR s->init_buf VAL [={0:-4294967295}, blastFlag=0, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=-1, s={-3:0}, s={-3:0}, s->init_buf={13:-12}, skip=0, SSLv3_client_data={8:0}, state=12292, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0] [L1258] COND FALSE !((unsigned long )s->init_buf == (unsigned long )((void *)0)) [L1270] tmp___4 = __VERIFIER_nondet_int() [L1271] COND FALSE !(! tmp___4) [L1277] tmp___5 = __VERIFIER_nondet_int() [L1278] COND FALSE !(! tmp___5) [L1284] s->state = 4368 [L1285] EXPR s->ctx [L1285] EXPR (s->ctx)->stats.sess_connect [L1285] (s->ctx)->stats.sess_connect += 1 [L1286] s->init_num = 0 VAL [={0:-4294967295}, blastFlag=0, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=-1, s={-3:0}, s={-3:0}, skip=0, SSLv3_client_data={8:0}, state=12292, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1606] EXPR s->s3 [L1606] EXPR (s->s3)->tmp.reuse_message VAL [={0:-4294967295}, (s->s3)->tmp.reuse_message=4294967307, blastFlag=0, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=-1, s={-3:0}, s={-3:0}, s->s3={-4:0}, skip=0, SSLv3_client_data={8:0}, state=12292, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1606] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1635] skip = 0 VAL [={0:-4294967295}, blastFlag=0, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=-1, s={-3:0}, s={-3:0}, skip=0, SSLv3_client_data={8:0}, state=12292, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1132] COND TRUE 1 VAL [={0:-4294967295}, blastFlag=0, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=-1, s={-3:0}, s={-3:0}, skip=0, SSLv3_client_data={8:0}, state=12292, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1134] EXPR s->state [L1134] state = s->state [L1135] EXPR s->state VAL [={0:-4294967295}, blastFlag=0, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=-1, s={-3:0}, s={-3:0}, s->state=4368, skip=0, SSLv3_client_data={8:0}, state=4368, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1135] COND FALSE !(s->state == 12292) [L1138] EXPR s->state VAL [={0:-4294967295}, blastFlag=0, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=-1, s={-3:0}, s={-3:0}, s->state=4368, skip=0, SSLv3_client_data={8:0}, state=4368, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1138] COND FALSE !(s->state == 16384) [L1141] EXPR s->state VAL [={0:-4294967295}, blastFlag=0, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=-1, s={-3:0}, s={-3:0}, s->state=4368, skip=0, SSLv3_client_data={8:0}, state=4368, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1141] COND FALSE !(s->state == 4096) [L1144] EXPR s->state VAL [={0:-4294967295}, blastFlag=0, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=-1, s={-3:0}, s={-3:0}, s->state=4368, skip=0, SSLv3_client_data={8:0}, state=4368, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1144] COND FALSE !(s->state == 20480) [L1147] EXPR s->state VAL [={0:-4294967295}, blastFlag=0, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=-1, s={-3:0}, s={-3:0}, s->state=4368, skip=0, SSLv3_client_data={8:0}, state=4368, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1147] COND FALSE !(s->state == 4099) [L1150] EXPR s->state VAL [={0:-4294967295}, blastFlag=0, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=-1, s={-3:0}, s={-3:0}, s->state=4368, skip=0, SSLv3_client_data={8:0}, state=4368, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1150] COND TRUE s->state == 4368 [L1290] s->shutdown = 0 [L1291] ret = __VERIFIER_nondet_int() [L1292] COND TRUE blastFlag == 0 [L1293] blastFlag = 1 VAL [={0:-4294967295}, blastFlag=1, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=14, s={-3:0}, s={-3:0}, skip=0, SSLv3_client_data={8:0}, state=4368, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1297] COND FALSE !(ret <= 0) [L1302] s->state = 4384 [L1303] s->init_num = 0 [L1304] EXPR s->bbio [L1304] EXPR s->wbio VAL [={0:-4294967295}, blastFlag=1, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=14, s={-3:0}, s={-3:0}, s->bbio={17:-14}, s->wbio={-13:15}, skip=0, SSLv3_client_data={8:0}, state=4368, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1304] COND TRUE (unsigned long )s->bbio != (unsigned long )s->wbio [L1606] EXPR s->s3 [L1606] EXPR (s->s3)->tmp.reuse_message VAL [={0:-4294967295}, (s->s3)->tmp.reuse_message=4294967307, blastFlag=1, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=14, s={-3:0}, s={-3:0}, s->s3={-4:0}, skip=0, SSLv3_client_data={8:0}, state=4368, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1606] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1635] skip = 0 VAL [={0:-4294967295}, blastFlag=1, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=14, s={-3:0}, s={-3:0}, skip=0, SSLv3_client_data={8:0}, state=4368, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1132] COND TRUE 1 VAL [={0:-4294967295}, blastFlag=1, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=14, s={-3:0}, s={-3:0}, skip=0, SSLv3_client_data={8:0}, state=4368, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1134] EXPR s->state [L1134] state = s->state [L1135] EXPR s->state VAL [={0:-4294967295}, blastFlag=1, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=14, s={-3:0}, s={-3:0}, s->state=4384, skip=0, SSLv3_client_data={8:0}, state=4384, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1135] COND FALSE !(s->state == 12292) [L1138] EXPR s->state VAL [={0:-4294967295}, blastFlag=1, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=14, s={-3:0}, s={-3:0}, s->state=4384, skip=0, SSLv3_client_data={8:0}, state=4384, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1138] COND FALSE !(s->state == 16384) [L1141] EXPR s->state VAL [={0:-4294967295}, blastFlag=1, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=14, s={-3:0}, s={-3:0}, s->state=4384, skip=0, SSLv3_client_data={8:0}, state=4384, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1141] COND FALSE !(s->state == 4096) [L1144] EXPR s->state VAL [={0:-4294967295}, blastFlag=1, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=14, s={-3:0}, s={-3:0}, s->state=4384, skip=0, SSLv3_client_data={8:0}, state=4384, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1144] COND FALSE !(s->state == 20480) [L1147] EXPR s->state VAL [={0:-4294967295}, blastFlag=1, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=14, s={-3:0}, s={-3:0}, s->state=4384, skip=0, SSLv3_client_data={8:0}, state=4384, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1147] COND FALSE !(s->state == 4099) [L1150] EXPR s->state VAL [={0:-4294967295}, blastFlag=1, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=14, s={-3:0}, s={-3:0}, s->state=4384, skip=0, SSLv3_client_data={8:0}, state=4384, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1150] COND FALSE !(s->state == 4368) [L1153] EXPR s->state VAL [={0:-4294967295}, blastFlag=1, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=14, s={-3:0}, s={-3:0}, s->state=4384, skip=0, SSLv3_client_data={8:0}, state=4384, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1153] COND FALSE !(s->state == 4369) [L1156] EXPR s->state VAL [={0:-4294967295}, blastFlag=1, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=14, s={-3:0}, s={-3:0}, s->state=4384, skip=0, SSLv3_client_data={8:0}, state=4384, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1156] COND TRUE s->state == 4384 [L1312] ret = __VERIFIER_nondet_int() [L1313] COND TRUE blastFlag == 1 [L1314] blastFlag = 2 VAL [={0:-4294967295}, blastFlag=2, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, skip=0, SSLv3_client_data={8:0}, state=4384, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1318] COND FALSE !(ret <= 0) [L1323] s->hit VAL [={0:-4294967295}, blastFlag=2, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->hit=0, skip=0, SSLv3_client_data={8:0}, state=4384, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1323] COND FALSE !(s->hit) [L1326] s->state = 4400 VAL [={0:-4294967295}, blastFlag=2, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, skip=0, SSLv3_client_data={8:0}, state=4384, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1328] s->init_num = 0 VAL [={0:-4294967295}, blastFlag=2, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, skip=0, SSLv3_client_data={8:0}, state=4384, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1606] EXPR s->s3 [L1606] EXPR (s->s3)->tmp.reuse_message VAL [={0:-4294967295}, (s->s3)->tmp.reuse_message=4294967307, blastFlag=2, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->s3={-4:0}, skip=0, SSLv3_client_data={8:0}, state=4384, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1606] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1635] skip = 0 VAL [={0:-4294967295}, blastFlag=2, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, skip=0, SSLv3_client_data={8:0}, state=4384, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1132] COND TRUE 1 VAL [={0:-4294967295}, blastFlag=2, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, skip=0, SSLv3_client_data={8:0}, state=4384, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1134] EXPR s->state [L1134] state = s->state [L1135] EXPR s->state VAL [={0:-4294967295}, blastFlag=2, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4400, skip=0, SSLv3_client_data={8:0}, state=4400, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1135] COND FALSE !(s->state == 12292) [L1138] EXPR s->state VAL [={0:-4294967295}, blastFlag=2, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4400, skip=0, SSLv3_client_data={8:0}, state=4400, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1138] COND FALSE !(s->state == 16384) [L1141] EXPR s->state VAL [={0:-4294967295}, blastFlag=2, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4400, skip=0, SSLv3_client_data={8:0}, state=4400, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1141] COND FALSE !(s->state == 4096) [L1144] EXPR s->state VAL [={0:-4294967295}, blastFlag=2, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4400, skip=0, SSLv3_client_data={8:0}, state=4400, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1144] COND FALSE !(s->state == 20480) [L1147] EXPR s->state VAL [={0:-4294967295}, blastFlag=2, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4400, skip=0, SSLv3_client_data={8:0}, state=4400, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1147] COND FALSE !(s->state == 4099) [L1150] EXPR s->state VAL [={0:-4294967295}, blastFlag=2, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4400, skip=0, SSLv3_client_data={8:0}, state=4400, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1150] COND FALSE !(s->state == 4368) [L1153] EXPR s->state VAL [={0:-4294967295}, blastFlag=2, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4400, skip=0, SSLv3_client_data={8:0}, state=4400, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1153] COND FALSE !(s->state == 4369) [L1156] EXPR s->state VAL [={0:-4294967295}, blastFlag=2, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4400, skip=0, SSLv3_client_data={8:0}, state=4400, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1156] COND FALSE !(s->state == 4384) [L1159] EXPR s->state VAL [={0:-4294967295}, blastFlag=2, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4400, skip=0, SSLv3_client_data={8:0}, state=4400, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1159] COND FALSE !(s->state == 4385) [L1162] EXPR s->state VAL [={0:-4294967295}, blastFlag=2, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4400, skip=0, SSLv3_client_data={8:0}, state=4400, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1162] COND TRUE s->state == 4400 [L1332] EXPR s->s3 [L1332] EXPR (s->s3)->tmp.new_cipher [L1332] EXPR ((s->s3)->tmp.new_cipher)->algorithms VAL [={0:-4294967295}, ((s->s3)->tmp.new_cipher)->algorithms=4294967313, (s->s3)->tmp.new_cipher={4294967351:18}, blastFlag=2, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->s3={-4:0}, skip=0, SSLv3_client_data={8:0}, state=4400, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1332] COND FALSE !(((s->s3)->tmp.new_cipher)->algorithms & 256UL) [L1335] ret = __VERIFIER_nondet_int() [L1336] COND TRUE blastFlag == 2 [L1337] blastFlag = 3 VAL [={0:-4294967295}, blastFlag=3, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, skip=0, SSLv3_client_data={8:0}, state=4400, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1341] COND FALSE !(ret <= 0) VAL [={0:-4294967295}, blastFlag=3, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, skip=0, SSLv3_client_data={8:0}, state=4400, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1347] s->state = 4416 [L1348] s->init_num = 0 VAL [={0:-4294967295}, blastFlag=3, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, skip=0, SSLv3_client_data={8:0}, state=4400, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1606] EXPR s->s3 [L1606] EXPR (s->s3)->tmp.reuse_message VAL [={0:-4294967295}, (s->s3)->tmp.reuse_message=4294967307, blastFlag=3, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->s3={-4:0}, skip=0, SSLv3_client_data={8:0}, state=4400, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1606] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1635] skip = 0 VAL [={0:-4294967295}, blastFlag=3, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, skip=0, SSLv3_client_data={8:0}, state=4400, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1132] COND TRUE 1 VAL [={0:-4294967295}, blastFlag=3, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, skip=0, SSLv3_client_data={8:0}, state=4400, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1134] EXPR s->state [L1134] state = s->state [L1135] EXPR s->state VAL [={0:-4294967295}, blastFlag=3, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4416, skip=0, SSLv3_client_data={8:0}, state=4416, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1135] COND FALSE !(s->state == 12292) [L1138] EXPR s->state VAL [={0:-4294967295}, blastFlag=3, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4416, skip=0, SSLv3_client_data={8:0}, state=4416, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1138] COND FALSE !(s->state == 16384) [L1141] EXPR s->state VAL [={0:-4294967295}, blastFlag=3, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4416, skip=0, SSLv3_client_data={8:0}, state=4416, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1141] COND FALSE !(s->state == 4096) [L1144] EXPR s->state VAL [={0:-4294967295}, blastFlag=3, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4416, skip=0, SSLv3_client_data={8:0}, state=4416, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1144] COND FALSE !(s->state == 20480) [L1147] EXPR s->state VAL [={0:-4294967295}, blastFlag=3, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4416, skip=0, SSLv3_client_data={8:0}, state=4416, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1147] COND FALSE !(s->state == 4099) [L1150] EXPR s->state VAL [={0:-4294967295}, blastFlag=3, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4416, skip=0, SSLv3_client_data={8:0}, state=4416, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1150] COND FALSE !(s->state == 4368) [L1153] EXPR s->state VAL [={0:-4294967295}, blastFlag=3, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4416, skip=0, SSLv3_client_data={8:0}, state=4416, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1153] COND FALSE !(s->state == 4369) [L1156] EXPR s->state VAL [={0:-4294967295}, blastFlag=3, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4416, skip=0, SSLv3_client_data={8:0}, state=4416, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1156] COND FALSE !(s->state == 4384) [L1159] EXPR s->state VAL [={0:-4294967295}, blastFlag=3, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4416, skip=0, SSLv3_client_data={8:0}, state=4416, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1159] COND FALSE !(s->state == 4385) [L1162] EXPR s->state VAL [={0:-4294967295}, blastFlag=3, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4416, skip=0, SSLv3_client_data={8:0}, state=4416, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1162] COND FALSE !(s->state == 4400) [L1165] EXPR s->state VAL [={0:-4294967295}, blastFlag=3, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4416, skip=0, SSLv3_client_data={8:0}, state=4416, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1165] COND FALSE !(s->state == 4401) [L1168] EXPR s->state VAL [={0:-4294967295}, blastFlag=3, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4416, skip=0, SSLv3_client_data={8:0}, state=4416, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1168] COND TRUE s->state == 4416 [L1352] ret = __VERIFIER_nondet_int() [L1353] COND TRUE blastFlag == 3 [L1354] blastFlag = 4 VAL [={0:-4294967295}, blastFlag=4, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, skip=0, SSLv3_client_data={8:0}, state=4416, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9] [L1358] COND FALSE !(ret <= 0) [L1363] s->state = 4432 [L1364] s->init_num = 0 [L1365] tmp___6 = __VERIFIER_nondet_int() [L1366] COND FALSE !(! tmp___6) VAL [={0:-4294967295}, blastFlag=4, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, skip=0, SSLv3_client_data={8:0}, state=4416, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9, tmp___6=-15] [L1606] EXPR s->s3 [L1606] EXPR (s->s3)->tmp.reuse_message VAL [={0:-4294967295}, (s->s3)->tmp.reuse_message=4294967307, blastFlag=4, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->s3={-4:0}, skip=0, SSLv3_client_data={8:0}, state=4416, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9, tmp___6=-15] [L1606] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1635] skip = 0 VAL [={0:-4294967295}, blastFlag=4, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, skip=0, SSLv3_client_data={8:0}, state=4416, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9, tmp___6=-15] [L1132] COND TRUE 1 VAL [={0:-4294967295}, blastFlag=4, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, skip=0, SSLv3_client_data={8:0}, state=4416, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9, tmp___6=-15] [L1134] EXPR s->state [L1134] state = s->state [L1135] EXPR s->state VAL [={0:-4294967295}, blastFlag=4, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4432, skip=0, SSLv3_client_data={8:0}, state=4432, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9, tmp___6=-15] [L1135] COND FALSE !(s->state == 12292) [L1138] EXPR s->state VAL [={0:-4294967295}, blastFlag=4, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4432, skip=0, SSLv3_client_data={8:0}, state=4432, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9, tmp___6=-15] [L1138] COND FALSE !(s->state == 16384) [L1141] EXPR s->state VAL [={0:-4294967295}, blastFlag=4, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4432, skip=0, SSLv3_client_data={8:0}, state=4432, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9, tmp___6=-15] [L1141] COND FALSE !(s->state == 4096) [L1144] EXPR s->state VAL [={0:-4294967295}, blastFlag=4, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4432, skip=0, SSLv3_client_data={8:0}, state=4432, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9, tmp___6=-15] [L1144] COND FALSE !(s->state == 20480) [L1147] EXPR s->state VAL [={0:-4294967295}, blastFlag=4, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4432, skip=0, SSLv3_client_data={8:0}, state=4432, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9, tmp___6=-15] [L1147] COND FALSE !(s->state == 4099) [L1150] EXPR s->state VAL [={0:-4294967295}, blastFlag=4, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4432, skip=0, SSLv3_client_data={8:0}, state=4432, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9, tmp___6=-15] [L1150] COND FALSE !(s->state == 4368) [L1153] EXPR s->state VAL [={0:-4294967295}, blastFlag=4, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4432, skip=0, SSLv3_client_data={8:0}, state=4432, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9, tmp___6=-15] [L1153] COND FALSE !(s->state == 4369) [L1156] EXPR s->state VAL [={0:-4294967295}, blastFlag=4, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4432, skip=0, SSLv3_client_data={8:0}, state=4432, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9, tmp___6=-15] [L1156] COND FALSE !(s->state == 4384) [L1159] EXPR s->state VAL [={0:-4294967295}, blastFlag=4, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4432, skip=0, SSLv3_client_data={8:0}, state=4432, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9, tmp___6=-15] [L1159] COND FALSE !(s->state == 4385) [L1162] EXPR s->state VAL [={0:-4294967295}, blastFlag=4, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4432, skip=0, SSLv3_client_data={8:0}, state=4432, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9, tmp___6=-15] [L1162] COND FALSE !(s->state == 4400) [L1165] EXPR s->state VAL [={0:-4294967295}, blastFlag=4, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4432, skip=0, SSLv3_client_data={8:0}, state=4432, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9, tmp___6=-15] [L1165] COND FALSE !(s->state == 4401) [L1168] EXPR s->state VAL [={0:-4294967295}, blastFlag=4, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4432, skip=0, SSLv3_client_data={8:0}, state=4432, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9, tmp___6=-15] [L1168] COND FALSE !(s->state == 4416) [L1171] EXPR s->state VAL [={0:-4294967295}, blastFlag=4, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4432, skip=0, SSLv3_client_data={8:0}, state=4432, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9, tmp___6=-15] [L1171] COND FALSE !(s->state == 4417) [L1174] EXPR s->state VAL [={0:-4294967295}, blastFlag=4, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4432, skip=0, SSLv3_client_data={8:0}, state=4432, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9, tmp___6=-15] [L1174] COND TRUE s->state == 4432 [L1375] ret = __VERIFIER_nondet_int() [L1376] COND FALSE !(blastFlag == 5) VAL [={0:-4294967295}, blastFlag=4, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, skip=0, SSLv3_client_data={8:0}, state=4432, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9, tmp___6=-15] [L1381] COND FALSE !(ret <= 0) [L1386] s->state = 4448 [L1387] s->init_num = 0 VAL [={0:-4294967295}, blastFlag=4, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, skip=0, SSLv3_client_data={8:0}, state=4432, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9, tmp___6=-15] [L1606] EXPR s->s3 [L1606] EXPR (s->s3)->tmp.reuse_message VAL [={0:-4294967295}, (s->s3)->tmp.reuse_message=4294967307, blastFlag=4, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->s3={-4:0}, skip=0, SSLv3_client_data={8:0}, state=4432, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9, tmp___6=-15] [L1606] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1635] skip = 0 VAL [={0:-4294967295}, blastFlag=4, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, skip=0, SSLv3_client_data={8:0}, state=4432, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9, tmp___6=-15] [L1132] COND TRUE 1 VAL [={0:-4294967295}, blastFlag=4, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, skip=0, SSLv3_client_data={8:0}, state=4432, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9, tmp___6=-15] [L1134] EXPR s->state [L1134] state = s->state [L1135] EXPR s->state VAL [={0:-4294967295}, blastFlag=4, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4448, skip=0, SSLv3_client_data={8:0}, state=4448, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9, tmp___6=-15] [L1135] COND FALSE !(s->state == 12292) [L1138] EXPR s->state VAL [={0:-4294967295}, blastFlag=4, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4448, skip=0, SSLv3_client_data={8:0}, state=4448, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9, tmp___6=-15] [L1138] COND FALSE !(s->state == 16384) [L1141] EXPR s->state VAL [={0:-4294967295}, blastFlag=4, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4448, skip=0, SSLv3_client_data={8:0}, state=4448, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9, tmp___6=-15] [L1141] COND FALSE !(s->state == 4096) [L1144] EXPR s->state VAL [={0:-4294967295}, blastFlag=4, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4448, skip=0, SSLv3_client_data={8:0}, state=4448, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9, tmp___6=-15] [L1144] COND FALSE !(s->state == 20480) [L1147] EXPR s->state VAL [={0:-4294967295}, blastFlag=4, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4448, skip=0, SSLv3_client_data={8:0}, state=4448, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9, tmp___6=-15] [L1147] COND FALSE !(s->state == 4099) [L1150] EXPR s->state VAL [={0:-4294967295}, blastFlag=4, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4448, skip=0, SSLv3_client_data={8:0}, state=4448, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9, tmp___6=-15] [L1150] COND FALSE !(s->state == 4368) [L1153] EXPR s->state VAL [={0:-4294967295}, blastFlag=4, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4448, skip=0, SSLv3_client_data={8:0}, state=4448, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9, tmp___6=-15] [L1153] COND FALSE !(s->state == 4369) [L1156] EXPR s->state VAL [={0:-4294967295}, blastFlag=4, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4448, skip=0, SSLv3_client_data={8:0}, state=4448, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9, tmp___6=-15] [L1156] COND FALSE !(s->state == 4384) [L1159] EXPR s->state VAL [={0:-4294967295}, blastFlag=4, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4448, skip=0, SSLv3_client_data={8:0}, state=4448, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9, tmp___6=-15] [L1159] COND FALSE !(s->state == 4385) [L1162] EXPR s->state VAL [={0:-4294967295}, blastFlag=4, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4448, skip=0, SSLv3_client_data={8:0}, state=4448, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9, tmp___6=-15] [L1162] COND FALSE !(s->state == 4400) [L1165] EXPR s->state VAL [={0:-4294967295}, blastFlag=4, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4448, skip=0, SSLv3_client_data={8:0}, state=4448, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9, tmp___6=-15] [L1165] COND FALSE !(s->state == 4401) [L1168] EXPR s->state VAL [={0:-4294967295}, blastFlag=4, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4448, skip=0, SSLv3_client_data={8:0}, state=4448, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9, tmp___6=-15] [L1168] COND FALSE !(s->state == 4416) [L1171] EXPR s->state VAL [={0:-4294967295}, blastFlag=4, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4448, skip=0, SSLv3_client_data={8:0}, state=4448, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9, tmp___6=-15] [L1171] COND FALSE !(s->state == 4417) [L1174] EXPR s->state VAL [={0:-4294967295}, blastFlag=4, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4448, skip=0, SSLv3_client_data={8:0}, state=4448, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9, tmp___6=-15] [L1174] COND FALSE !(s->state == 4432) [L1177] EXPR s->state VAL [={0:-4294967295}, blastFlag=4, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4448, skip=0, SSLv3_client_data={8:0}, state=4448, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9, tmp___6=-15] [L1177] COND FALSE !(s->state == 4433) [L1180] EXPR s->state VAL [={0:-4294967295}, blastFlag=4, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=1, s={-3:0}, s={-3:0}, s->state=4448, skip=0, SSLv3_client_data={8:0}, state=4448, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9, tmp___6=-15] [L1180] COND TRUE s->state == 4448 [L1391] ret = __VERIFIER_nondet_int() [L1392] COND TRUE blastFlag == 4 VAL [={0:-4294967295}, blastFlag=4, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=0, s={-3:0}, s={-3:0}, skip=0, SSLv3_client_data={8:0}, state=4448, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9, tmp___6=-15] [L1647] reach_error() VAL [={0:-4294967295}, blastFlag=4, buf={0:-1}, init=1, malloc(sizeof(int))={-6:0}, ret=0, s={-3:0}, s={-3:0}, skip=0, SSLv3_client_data={8:0}, state=4448, tmp=0, tmp___0={-6:0}, tmp___1=0, tmp___2=0, tmp___4=1, tmp___5=-9, tmp___6=-15] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 140 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 18492.6ms, OverallIterations: 34, TraceHistogramMax: 7, EmptinessCheckTime: 54.0ms, AutomataDifference: 14852.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 7432 SDtfs, 2625 SDslu, 9610 SDs, 0 SdLazy, 13971 SolverSat, 271 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11252.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 246 GetRequests, 100 SyntacticMatches, 20 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1300.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1028occurred in iteration=33, InterpolantAutomatonStates: 163, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 335.4ms AutomataMinimizationTime, 33 MinimizatonAttempts, 2600 StatesRemovedByMinimization, 28 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 126.9ms SsaConstructionTime, 525.7ms SatisfiabilityAnalysisTime, 2186.8ms InterpolantComputationTime, 3003 NumberOfCodeBlocks, 3003 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 2827 ConstructedInterpolants, 0 QuantifiedInterpolants, 8550 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 33 PerfectInterpolantSequences, 2610/2610 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...