/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_3.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 13:25:44,856 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 13:25:44,859 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 13:25:44,887 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 13:25:44,888 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 13:25:44,889 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 13:25:44,890 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 13:25:44,892 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 13:25:44,894 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 13:25:44,895 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 13:25:44,896 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 13:25:44,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 13:25:44,897 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 13:25:44,898 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 13:25:44,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 13:25:44,901 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 13:25:44,902 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 13:25:44,903 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 13:25:44,905 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 13:25:44,907 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 13:25:44,909 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 13:25:44,910 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 13:25:44,911 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 13:25:44,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 13:25:44,915 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 13:25:44,916 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 13:25:44,916 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 13:25:44,917 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 13:25:44,917 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 13:25:44,918 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 13:25:44,919 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 13:25:44,919 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 13:25:44,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 13:25:44,924 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 13:25:44,927 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 13:25:44,928 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 13:25:44,929 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 13:25:44,929 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 13:25:44,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 13:25:44,930 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 13:25:44,931 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 13:25:44,933 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 13:25:44,994 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 13:25:44,994 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 13:25:44,998 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 13:25:44,998 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 13:25:44,998 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 13:25:44,998 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 13:25:45,000 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 13:25:45,000 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 13:25:45,000 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 13:25:45,000 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 13:25:45,001 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 13:25:45,001 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 13:25:45,001 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 13:25:45,001 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 13:25:45,002 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 13:25:45,003 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 13:25:45,003 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 13:25:45,003 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 13:25:45,004 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 13:25:45,004 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 13:25:45,004 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 13:25:45,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 13:25:45,005 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 13:25:45,005 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 13:25:45,005 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 13:25:45,005 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 13:25:45,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 13:25:45,006 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 13:25:45,006 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 13:25:45,006 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; [2020-09-25 13:25:45,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 13:25:45,508 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 13:25:45,513 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 13:25:45,514 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 13:25:45,515 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 13:25:45,516 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_3.cil-2.c [2020-09-25 13:25:45,593 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f66586caa/c811809b50ef42eb81153ffae77be42e/FLAGbc8b1984e [2020-09-25 13:25:46,170 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 13:25:46,171 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ssh-simplified/s3_clnt_3.cil-2.c [2020-09-25 13:25:46,188 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f66586caa/c811809b50ef42eb81153ffae77be42e/FLAGbc8b1984e [2020-09-25 13:25:46,484 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f66586caa/c811809b50ef42eb81153ffae77be42e [2020-09-25 13:25:46,497 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 13:25:46,504 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 13:25:46,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 13:25:46,505 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 13:25:46,510 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 13:25:46,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:25:46" (1/1) ... [2020-09-25 13:25:46,515 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43e29152 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:25:46, skipping insertion in model container [2020-09-25 13:25:46,515 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:25:46" (1/1) ... [2020-09-25 13:25:46,525 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 13:25:46,571 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 13:25:46,896 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:25:46,903 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 13:25:47,106 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:25:47,129 INFO L208 MainTranslator]: Completed translation [2020-09-25 13:25:47,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:25:47 WrapperNode [2020-09-25 13:25:47,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 13:25:47,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 13:25:47,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 13:25:47,131 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 13:25:47,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:25:47" (1/1) ... [2020-09-25 13:25:47,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:25:47" (1/1) ... [2020-09-25 13:25:47,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:25:47" (1/1) ... [2020-09-25 13:25:47,159 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:25:47" (1/1) ... [2020-09-25 13:25:47,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:25:47" (1/1) ... [2020-09-25 13:25:47,197 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:25:47" (1/1) ... [2020-09-25 13:25:47,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:25:47" (1/1) ... [2020-09-25 13:25:47,205 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 13:25:47,205 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 13:25:47,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 13:25:47,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 13:25:47,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:25:47" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-25 13:25:47,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 13:25:47,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 13:25:47,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2020-09-25 13:25:47,284 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 13:25:47,284 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 13:25:47,284 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-09-25 13:25:47,284 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 13:25:47,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-09-25 13:25:47,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-25 13:25:47,285 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2020-09-25 13:25:47,285 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 13:25:47,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 13:25:47,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 13:25:47,537 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-09-25 13:25:48,178 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-09-25 13:25:48,178 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-09-25 13:25:48,204 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 13:25:48,205 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-25 13:25:48,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:25:48 BoogieIcfgContainer [2020-09-25 13:25:48,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 13:25:48,215 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 13:25:48,215 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 13:25:48,219 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 13:25:48,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:25:46" (1/3) ... [2020-09-25 13:25:48,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@502d3bec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:25:48, skipping insertion in model container [2020-09-25 13:25:48,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:25:47" (2/3) ... [2020-09-25 13:25:48,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@502d3bec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:25:48, skipping insertion in model container [2020-09-25 13:25:48,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:25:48" (3/3) ... [2020-09-25 13:25:48,224 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.cil-2.c [2020-09-25 13:25:48,236 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 13:25:48,248 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 13:25:48,271 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 13:25:48,308 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 13:25:48,308 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 13:25:48,309 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 13:25:48,309 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 13:25:48,309 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 13:25:48,309 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 13:25:48,309 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 13:25:48,310 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 13:25:48,342 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states. [2020-09-25 13:25:48,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-09-25 13:25:48,361 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:25:48,363 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:25:48,364 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:25:48,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:25:48,372 INFO L82 PathProgramCache]: Analyzing trace with hash 44117518, now seen corresponding path program 1 times [2020-09-25 13:25:48,383 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:25:48,384 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1142071748] [2020-09-25 13:25:48,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:25:48,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:25:48,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:25:49,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:25:49,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:25:49,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:25:49,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-09-25 13:25:49,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 13:25:49,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1121 [2020-09-25 13:25:49,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:25:49,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:25:49,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:25:49,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-25 13:25:49,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-09-25 13:25:49,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 13:25:49,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:25:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:25:49,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:25:49,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:25:49,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:25:49,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:25:49,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:25:49,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:25:49,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:25:49,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:25:49,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:25:49,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:25:49,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:25:50,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 13:25:50,074 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1142071748] [2020-09-25 13:25:50,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:25:50,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 13:25:50,077 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629960789] [2020-09-25 13:25:50,084 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 13:25:50,084 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:25:50,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 13:25:50,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 13:25:50,103 INFO L87 Difference]: Start difference. First operand 414 states. Second operand 6 states. [2020-09-25 13:25:50,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:25:50,390 INFO L93 Difference]: Finished difference Result 667 states and 842 transitions. [2020-09-25 13:25:50,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 13:25:50,392 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 181 [2020-09-25 13:25:50,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:25:50,416 INFO L225 Difference]: With dead ends: 667 [2020-09-25 13:25:50,416 INFO L226 Difference]: Without dead ends: 375 [2020-09-25 13:25:50,422 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-25 13:25:50,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2020-09-25 13:25:50,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375. [2020-09-25 13:25:50,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2020-09-25 13:25:50,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 432 transitions. [2020-09-25 13:25:50,499 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 432 transitions. Word has length 181 [2020-09-25 13:25:50,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:25:50,500 INFO L479 AbstractCegarLoop]: Abstraction has 375 states and 432 transitions. [2020-09-25 13:25:50,500 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 13:25:50,500 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 432 transitions. [2020-09-25 13:25:50,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-09-25 13:25:50,505 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:25:50,506 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:25:50,506 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 13:25:50,506 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:25:50,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:25:50,507 INFO L82 PathProgramCache]: Analyzing trace with hash 1125063182, now seen corresponding path program 1 times [2020-09-25 13:25:50,507 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:25:50,508 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [57352840] [2020-09-25 13:25:50,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:25:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:25:50,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:25:50,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:25:50,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:25:51,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:25:51,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-25 13:25:51,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 13:25:51,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 679 [2020-09-25 13:25:51,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:25:51,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:25:51,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:25:51,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 155 [2020-09-25 13:25:51,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-09-25 13:25:51,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 13:25:51,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:25:51,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:25:51,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:25:51,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:25:51,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:25:51,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:25:51,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:25:51,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:25:51,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:25:51,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:25:51,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:25:51,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:25:51,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:25:51,364 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-25 13:25:51,365 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [57352840] [2020-09-25 13:25:51,373 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:25:51,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 13:25:51,375 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507518761] [2020-09-25 13:25:51,379 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 13:25:51,379 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:25:51,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 13:25:51,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 13:25:51,380 INFO L87 Difference]: Start difference. First operand 375 states and 432 transitions. Second operand 3 states. [2020-09-25 13:25:51,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:25:51,484 INFO L93 Difference]: Finished difference Result 786 states and 950 transitions. [2020-09-25 13:25:51,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 13:25:51,485 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 207 [2020-09-25 13:25:51,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:25:51,492 INFO L225 Difference]: With dead ends: 786 [2020-09-25 13:25:51,493 INFO L226 Difference]: Without dead ends: 577 [2020-09-25 13:25:51,499 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 13:25:51,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2020-09-25 13:25:51,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 577. [2020-09-25 13:25:51,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2020-09-25 13:25:51,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 683 transitions. [2020-09-25 13:25:51,556 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 683 transitions. Word has length 207 [2020-09-25 13:25:51,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:25:51,558 INFO L479 AbstractCegarLoop]: Abstraction has 577 states and 683 transitions. [2020-09-25 13:25:51,558 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 13:25:51,558 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 683 transitions. [2020-09-25 13:25:51,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-09-25 13:25:51,567 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:25:51,568 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:25:51,568 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 13:25:51,568 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:25:51,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:25:51,570 INFO L82 PathProgramCache]: Analyzing trace with hash 1130092021, now seen corresponding path program 1 times [2020-09-25 13:25:51,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:25:51,571 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1114343419] [2020-09-25 13:25:51,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:25:51,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:25:51,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:25:51,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:25:52,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:25:52,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:25:52,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 238 [2020-09-25 13:25:52,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 13:25:52,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 487 [2020-09-25 13:25:52,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:25:52,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:25:52,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:25:52,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 210 [2020-09-25 13:25:52,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 13:25:52,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:25:52,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:25:52,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:25:52,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:25:52,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:25:52,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:25:52,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:25:52,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:25:52,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:25:52,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:25:52,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:25:52,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:25:52,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:25:52,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:25:52,237 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-25 13:25:52,238 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1114343419] [2020-09-25 13:25:52,238 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:25:52,239 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 13:25:52,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797808256] [2020-09-25 13:25:52,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 13:25:52,240 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:25:52,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 13:25:52,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 13:25:52,241 INFO L87 Difference]: Start difference. First operand 577 states and 683 transitions. Second operand 3 states. [2020-09-25 13:25:52,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:25:52,493 INFO L93 Difference]: Finished difference Result 1144 states and 1432 transitions. [2020-09-25 13:25:52,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 13:25:52,494 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 229 [2020-09-25 13:25:52,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:25:52,498 INFO L225 Difference]: With dead ends: 1144 [2020-09-25 13:25:52,499 INFO L226 Difference]: Without dead ends: 733 [2020-09-25 13:25:52,500 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 13:25:52,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2020-09-25 13:25:52,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 665. [2020-09-25 13:25:52,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 665 states. [2020-09-25 13:25:52,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 791 transitions. [2020-09-25 13:25:52,521 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 791 transitions. Word has length 229 [2020-09-25 13:25:52,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:25:52,522 INFO L479 AbstractCegarLoop]: Abstraction has 665 states and 791 transitions. [2020-09-25 13:25:52,522 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 13:25:52,522 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 791 transitions. [2020-09-25 13:25:52,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-09-25 13:25:52,527 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:25:52,527 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:25:52,527 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 13:25:52,528 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:25:52,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:25:52,528 INFO L82 PathProgramCache]: Analyzing trace with hash -2121264617, now seen corresponding path program 1 times [2020-09-25 13:25:52,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:25:52,529 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [944723745] [2020-09-25 13:25:52,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:25:52,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:25:52,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:25:52,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:25:52,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:25:53,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:25:54,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:25:54,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-09-25 13:25:54,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 13:25:54,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1575 [2020-09-25 13:25:54,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:25:54,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:25:54,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:25:54,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 193 [2020-09-25 13:25:54,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 13:25:54,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:25:54,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:25:54,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:25:54,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:25:54,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:25:54,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:25:54,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:25:54,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:25:54,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:25:54,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:25:54,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:25:54,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:25:54,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:25:54,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:25:54,232 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 13:25:54,233 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [944723745] [2020-09-25 13:25:54,233 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:25:54,233 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 13:25:54,234 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375461231] [2020-09-25 13:25:54,234 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 13:25:54,235 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:25:54,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 13:25:54,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 13:25:54,236 INFO L87 Difference]: Start difference. First operand 665 states and 791 transitions. Second operand 3 states. [2020-09-25 13:25:54,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:25:54,267 INFO L93 Difference]: Finished difference Result 1625 states and 1979 transitions. [2020-09-25 13:25:54,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 13:25:54,268 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 236 [2020-09-25 13:25:54,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:25:54,274 INFO L225 Difference]: With dead ends: 1625 [2020-09-25 13:25:54,274 INFO L226 Difference]: Without dead ends: 1126 [2020-09-25 13:25:54,276 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 13:25:54,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2020-09-25 13:25:54,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 1124. [2020-09-25 13:25:54,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1124 states. [2020-09-25 13:25:54,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 1353 transitions. [2020-09-25 13:25:54,312 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 1353 transitions. Word has length 236 [2020-09-25 13:25:54,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:25:54,312 INFO L479 AbstractCegarLoop]: Abstraction has 1124 states and 1353 transitions. [2020-09-25 13:25:54,313 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 13:25:54,313 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1353 transitions. [2020-09-25 13:25:54,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2020-09-25 13:25:54,318 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:25:54,318 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:25:54,319 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 13:25:54,319 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:25:54,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:25:54,320 INFO L82 PathProgramCache]: Analyzing trace with hash -1692173170, now seen corresponding path program 1 times [2020-09-25 13:25:54,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:25:54,320 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1314048688] [2020-09-25 13:25:54,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:25:54,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:25:54,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:25:54,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:25:54,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:25:54,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:25:55,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:25:55,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-09-25 13:25:55,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 13:25:55,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1607 [2020-09-25 13:25:55,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:25:55,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:25:55,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:25:55,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 161 [2020-09-25 13:25:55,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-09-25 13:25:55,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:25:56,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:25:56,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:25:56,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:25:56,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:25:56,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:25:56,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:25:56,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:25:56,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:25:56,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:25:56,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:25:56,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:25:56,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:25:56,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:25:56,089 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-09-25 13:25:56,090 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1314048688] [2020-09-25 13:25:56,090 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:25:56,090 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 13:25:56,091 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417498003] [2020-09-25 13:25:56,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 13:25:56,091 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:25:56,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 13:25:56,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 13:25:56,092 INFO L87 Difference]: Start difference. First operand 1124 states and 1353 transitions. Second operand 3 states. [2020-09-25 13:25:56,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:25:56,128 INFO L93 Difference]: Finished difference Result 2100 states and 2558 transitions. [2020-09-25 13:25:56,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 13:25:56,129 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 237 [2020-09-25 13:25:56,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:25:56,135 INFO L225 Difference]: With dead ends: 2100 [2020-09-25 13:25:56,136 INFO L226 Difference]: Without dead ends: 1142 [2020-09-25 13:25:56,138 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 13:25:56,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1142 states. [2020-09-25 13:25:56,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1142 to 1132. [2020-09-25 13:25:56,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1132 states. [2020-09-25 13:25:56,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 1132 states and 1361 transitions. [2020-09-25 13:25:56,170 INFO L78 Accepts]: Start accepts. Automaton has 1132 states and 1361 transitions. Word has length 237 [2020-09-25 13:25:56,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:25:56,170 INFO L479 AbstractCegarLoop]: Abstraction has 1132 states and 1361 transitions. [2020-09-25 13:25:56,170 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 13:25:56,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 1361 transitions. [2020-09-25 13:25:56,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-09-25 13:25:56,175 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:25:56,175 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:25:56,176 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 13:25:56,176 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:25:56,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:25:56,176 INFO L82 PathProgramCache]: Analyzing trace with hash 1154899678, now seen corresponding path program 1 times [2020-09-25 13:25:56,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:25:56,177 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [230116124] [2020-09-25 13:25:56,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:25:56,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:25:56,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:25:56,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:25:56,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:25:56,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:25:56,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:25:57,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:25:59,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:25:59,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-09-25 13:25:59,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 13:25:59,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2997 [2020-09-25 13:25:59,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:25:59,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:25:59,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:25:59,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 196 [2020-09-25 13:25:59,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-25 13:25:59,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:25:59,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:25:59,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:25:59,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:25:59,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:25:59,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:25:59,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:25:59,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:25:59,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:25:59,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:25:59,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:25:59,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:25:59,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:25:59,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:25:59,291 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 13:25:59,292 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [230116124] [2020-09-25 13:25:59,293 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:25:59,293 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 13:25:59,293 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572437979] [2020-09-25 13:25:59,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 13:25:59,294 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:25:59,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 13:25:59,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 13:25:59,295 INFO L87 Difference]: Start difference. First operand 1132 states and 1361 transitions. Second operand 3 states. [2020-09-25 13:25:59,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:25:59,353 INFO L93 Difference]: Finished difference Result 3062 states and 3739 transitions. [2020-09-25 13:25:59,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 13:25:59,353 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 239 [2020-09-25 13:25:59,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:25:59,364 INFO L225 Difference]: With dead ends: 3062 [2020-09-25 13:25:59,364 INFO L226 Difference]: Without dead ends: 2096 [2020-09-25 13:25:59,366 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 13:25:59,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2096 states. [2020-09-25 13:25:59,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2096 to 2094. [2020-09-25 13:25:59,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2094 states. [2020-09-25 13:25:59,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2094 states to 2094 states and 2539 transitions. [2020-09-25 13:25:59,424 INFO L78 Accepts]: Start accepts. Automaton has 2094 states and 2539 transitions. Word has length 239 [2020-09-25 13:25:59,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:25:59,426 INFO L479 AbstractCegarLoop]: Abstraction has 2094 states and 2539 transitions. [2020-09-25 13:25:59,426 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 13:25:59,426 INFO L276 IsEmpty]: Start isEmpty. Operand 2094 states and 2539 transitions. [2020-09-25 13:25:59,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-09-25 13:25:59,436 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:25:59,436 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:25:59,437 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 13:25:59,437 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:25:59,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:25:59,438 INFO L82 PathProgramCache]: Analyzing trace with hash -2054606457, now seen corresponding path program 1 times [2020-09-25 13:25:59,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:25:59,439 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1493386196] [2020-09-25 13:25:59,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:25:59,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:25:59,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:25:59,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:25:59,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:25:59,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:26:00,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:26:00,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:26:00,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:26:01,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:26:02,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:26:04,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:26:04,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 249 [2020-09-25 13:26:04,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-09-25 13:26:04,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-09-25 13:26:04,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:26:04,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:26:04,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 13:26:04,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-25 13:26:04,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 195 [2020-09-25 13:26:04,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:26:04,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:26:04,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:26:04,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:26:04,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:26:04,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:26:04,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:26:04,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:26:04,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:26:04,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:26:04,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:26:04,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:26:04,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:26:04,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:26:04,645 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 13:26:04,646 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1493386196] [2020-09-25 13:26:04,646 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 13:26:04,646 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-25 13:26:04,647 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106478277] [2020-09-25 13:26:04,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 13:26:04,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:26:04,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 13:26:04,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-25 13:26:04,649 INFO L87 Difference]: Start difference. First operand 2094 states and 2539 transitions. Second operand 7 states. [2020-09-25 13:26:05,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:26:05,030 INFO L93 Difference]: Finished difference Result 4309 states and 5219 transitions. [2020-09-25 13:26:05,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-25 13:26:05,031 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 240 [2020-09-25 13:26:05,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:26:05,050 INFO L225 Difference]: With dead ends: 4309 [2020-09-25 13:26:05,051 INFO L226 Difference]: Without dead ends: 2354 [2020-09-25 13:26:05,061 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-09-25 13:26:05,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2354 states. [2020-09-25 13:26:05,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2354 to 2133. [2020-09-25 13:26:05,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2133 states. [2020-09-25 13:26:05,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 2133 states and 2583 transitions. [2020-09-25 13:26:05,218 INFO L78 Accepts]: Start accepts. Automaton has 2133 states and 2583 transitions. Word has length 240 [2020-09-25 13:26:05,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:26:05,219 INFO L479 AbstractCegarLoop]: Abstraction has 2133 states and 2583 transitions. [2020-09-25 13:26:05,219 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 13:26:05,220 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 2583 transitions. [2020-09-25 13:26:05,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2020-09-25 13:26:05,230 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:26:05,231 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:26:05,231 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-25 13:26:05,231 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:26:05,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:26:05,232 INFO L82 PathProgramCache]: Analyzing trace with hash 19467847, now seen corresponding path program 1 times [2020-09-25 13:26:05,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:26:05,233 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1139027056] [2020-09-25 13:26:05,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:26:05,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:26:05,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:26:05,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:26:05,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:26:06,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:26:06,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-09-25 13:26:06,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 13:26:06,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 741 [2020-09-25 13:26:06,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:26:06,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:26:06,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:26:06,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 215 [2020-09-25 13:26:06,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-25 13:26:06,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:26:06,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:26:06,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:26:06,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:26:06,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:26:06,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:26:06,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:26:06,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:26:06,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:26:06,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:26:06,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:26:06,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:26:06,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:26:06,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:26:06,099 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-25 13:26:06,100 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1139027056] [2020-09-25 13:26:06,100 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:26:06,100 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 13:26:06,101 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769612891] [2020-09-25 13:26:06,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 13:26:06,102 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:26:06,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 13:26:06,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 13:26:06,103 INFO L87 Difference]: Start difference. First operand 2133 states and 2583 transitions. Second operand 3 states. [2020-09-25 13:26:06,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:26:06,192 INFO L93 Difference]: Finished difference Result 4053 states and 4962 transitions. [2020-09-25 13:26:06,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 13:26:06,193 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 243 [2020-09-25 13:26:06,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:26:06,207 INFO L225 Difference]: With dead ends: 4053 [2020-09-25 13:26:06,207 INFO L226 Difference]: Without dead ends: 3082 [2020-09-25 13:26:06,210 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 13:26:06,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3082 states. [2020-09-25 13:26:06,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3082 to 3082. [2020-09-25 13:26:06,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3082 states. [2020-09-25 13:26:06,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3082 states to 3082 states and 3746 transitions. [2020-09-25 13:26:06,295 INFO L78 Accepts]: Start accepts. Automaton has 3082 states and 3746 transitions. Word has length 243 [2020-09-25 13:26:06,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:26:06,295 INFO L479 AbstractCegarLoop]: Abstraction has 3082 states and 3746 transitions. [2020-09-25 13:26:06,295 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 13:26:06,296 INFO L276 IsEmpty]: Start isEmpty. Operand 3082 states and 3746 transitions. [2020-09-25 13:26:06,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2020-09-25 13:26:06,302 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:26:06,303 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:26:06,303 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-25 13:26:06,303 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:26:06,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:26:06,304 INFO L82 PathProgramCache]: Analyzing trace with hash 1762569168, now seen corresponding path program 1 times [2020-09-25 13:26:06,304 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:26:06,304 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1223039221] [2020-09-25 13:26:06,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:26:06,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:26:06,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:26:06,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:26:06,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:26:06,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-09-25 13:26:06,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:26:06,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 320 [2020-09-25 13:26:06,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:26:06,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:26:06,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:26:06,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 234 [2020-09-25 13:26:06,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 13:26:06,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:26:06,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:26:06,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:26:06,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:26:06,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:26:06,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:26:06,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:26:06,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:26:06,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:26:06,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:26:06,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:26:06,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:26:06,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:26:06,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:26:06,798 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-25 13:26:06,799 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1223039221] [2020-09-25 13:26:06,799 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:26:06,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 13:26:06,800 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920535605] [2020-09-25 13:26:06,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 13:26:06,801 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:26:06,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 13:26:06,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 13:26:06,802 INFO L87 Difference]: Start difference. First operand 3082 states and 3746 transitions. Second operand 3 states. [2020-09-25 13:26:07,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:26:07,074 INFO L93 Difference]: Finished difference Result 6698 states and 8423 transitions. [2020-09-25 13:26:07,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 13:26:07,075 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 250 [2020-09-25 13:26:07,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:26:07,092 INFO L225 Difference]: With dead ends: 6698 [2020-09-25 13:26:07,093 INFO L226 Difference]: Without dead ends: 3817 [2020-09-25 13:26:07,101 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 13:26:07,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3817 states. [2020-09-25 13:26:07,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3817 to 3559. [2020-09-25 13:26:07,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3559 states. [2020-09-25 13:26:07,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3559 states to 3559 states and 4289 transitions. [2020-09-25 13:26:07,228 INFO L78 Accepts]: Start accepts. Automaton has 3559 states and 4289 transitions. Word has length 250 [2020-09-25 13:26:07,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:26:07,228 INFO L479 AbstractCegarLoop]: Abstraction has 3559 states and 4289 transitions. [2020-09-25 13:26:07,229 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 13:26:07,229 INFO L276 IsEmpty]: Start isEmpty. Operand 3559 states and 4289 transitions. [2020-09-25 13:26:07,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2020-09-25 13:26:07,237 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:26:07,238 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:26:07,238 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-25 13:26:07,238 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:26:07,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:26:07,239 INFO L82 PathProgramCache]: Analyzing trace with hash -81032144, now seen corresponding path program 1 times [2020-09-25 13:26:07,239 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:26:07,239 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [10580006] [2020-09-25 13:26:07,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:26:07,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:26:07,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:26:07,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:26:07,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:26:07,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:26:07,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-09-25 13:26:07,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 13:26:07,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 392 [2020-09-25 13:26:07,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:26:07,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:26:07,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:26:07,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 231 [2020-09-25 13:26:07,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-25 13:26:07,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:26:07,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:26:07,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:26:07,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:26:07,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:26:07,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:26:07,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:26:07,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:26:07,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:26:07,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:26:07,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:26:07,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:26:07,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:26:07,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:26:07,774 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-25 13:26:07,775 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [10580006] [2020-09-25 13:26:07,775 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:26:07,776 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 13:26:07,776 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658492927] [2020-09-25 13:26:07,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 13:26:07,777 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:26:07,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 13:26:07,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 13:26:07,778 INFO L87 Difference]: Start difference. First operand 3559 states and 4289 transitions. Second operand 3 states. [2020-09-25 13:26:07,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:26:07,924 INFO L93 Difference]: Finished difference Result 6905 states and 8374 transitions. [2020-09-25 13:26:07,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 13:26:07,924 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 250 [2020-09-25 13:26:07,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:26:07,951 INFO L225 Difference]: With dead ends: 6905 [2020-09-25 13:26:07,951 INFO L226 Difference]: Without dead ends: 4667 [2020-09-25 13:26:07,959 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 13:26:07,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4667 states. [2020-09-25 13:26:08,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4667 to 4667. [2020-09-25 13:26:08,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4667 states. [2020-09-25 13:26:08,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4667 states to 4667 states and 5637 transitions. [2020-09-25 13:26:08,179 INFO L78 Accepts]: Start accepts. Automaton has 4667 states and 5637 transitions. Word has length 250 [2020-09-25 13:26:08,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:26:08,180 INFO L479 AbstractCegarLoop]: Abstraction has 4667 states and 5637 transitions. [2020-09-25 13:26:08,180 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 13:26:08,180 INFO L276 IsEmpty]: Start isEmpty. Operand 4667 states and 5637 transitions. [2020-09-25 13:26:08,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-09-25 13:26:08,191 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:26:08,192 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:26:08,192 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-25 13:26:08,192 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:26:08,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:26:08,193 INFO L82 PathProgramCache]: Analyzing trace with hash 1173972034, now seen corresponding path program 1 times [2020-09-25 13:26:08,193 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:26:08,193 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1492607166] [2020-09-25 13:26:08,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:26:08,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:26:08,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:26:08,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:26:08,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:26:08,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:26:08,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 283 [2020-09-25 13:26:08,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 13:26:08,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 495 [2020-09-25 13:26:08,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:26:08,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:26:08,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:26:08,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 258 [2020-09-25 13:26:08,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 13:26:08,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:26:08,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:26:08,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:26:08,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:26:08,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:26:08,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:26:08,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:26:08,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:26:08,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:26:08,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:26:08,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:26:08,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:26:08,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:26:08,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:26:08,816 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-09-25 13:26:08,816 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1492607166] [2020-09-25 13:26:08,817 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:26:08,817 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 13:26:08,817 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158117639] [2020-09-25 13:26:08,818 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 13:26:08,818 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:26:08,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 13:26:08,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 13:26:08,819 INFO L87 Difference]: Start difference. First operand 4667 states and 5637 transitions. Second operand 3 states. [2020-09-25 13:26:09,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:26:09,091 INFO L93 Difference]: Finished difference Result 10201 states and 12678 transitions. [2020-09-25 13:26:09,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 13:26:09,092 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 274 [2020-09-25 13:26:09,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:26:09,118 INFO L225 Difference]: With dead ends: 10201 [2020-09-25 13:26:09,118 INFO L226 Difference]: Without dead ends: 5747 [2020-09-25 13:26:09,129 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 13:26:09,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5747 states. [2020-09-25 13:26:09,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5747 to 4983. [2020-09-25 13:26:09,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4983 states. [2020-09-25 13:26:09,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4983 states to 4983 states and 6121 transitions. [2020-09-25 13:26:09,273 INFO L78 Accepts]: Start accepts. Automaton has 4983 states and 6121 transitions. Word has length 274 [2020-09-25 13:26:09,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:26:09,274 INFO L479 AbstractCegarLoop]: Abstraction has 4983 states and 6121 transitions. [2020-09-25 13:26:09,274 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 13:26:09,274 INFO L276 IsEmpty]: Start isEmpty. Operand 4983 states and 6121 transitions. [2020-09-25 13:26:09,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2020-09-25 13:26:09,287 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:26:09,288 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:26:09,288 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-25 13:26:09,288 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:26:09,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:26:09,289 INFO L82 PathProgramCache]: Analyzing trace with hash 452163706, now seen corresponding path program 1 times [2020-09-25 13:26:09,289 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:26:09,289 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [678084839] [2020-09-25 13:26:09,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:26:09,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:26:09,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:26:09,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:26:09,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:26:09,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:26:09,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:26:10,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:26:10,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:26:10,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:26:10,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:26:11,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:26:11,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:26:11,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:26:12,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:26:12,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:26:13,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:26:13,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:26:13,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:26:13,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:26:14,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:26:14,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 305 [2020-09-25 13:26:14,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-09-25 13:26:14,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-25 13:26:14,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:26:14,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:26:14,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:26:14,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 217 [2020-09-25 13:26:14,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-25 13:26:14,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:26:14,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:26:14,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:26:14,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:26:14,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:26:14,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:26:14,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:26:14,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:26:14,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:26:14,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:26:14,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:26:14,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:26:14,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:26:14,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:26:14,427 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 88 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-25 13:26:14,427 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [678084839] [2020-09-25 13:26:14,428 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 13:26:14,428 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-09-25 13:26:14,428 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694438513] [2020-09-25 13:26:14,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 13:26:14,429 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:26:14,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 13:26:14,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 13:26:14,430 INFO L87 Difference]: Start difference. First operand 4983 states and 6121 transitions. Second operand 4 states. [2020-09-25 13:26:14,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:26:14,670 INFO L93 Difference]: Finished difference Result 10685 states and 13198 transitions. [2020-09-25 13:26:14,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 13:26:14,670 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 296 [2020-09-25 13:26:14,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:26:14,694 INFO L225 Difference]: With dead ends: 10685 [2020-09-25 13:26:14,695 INFO L226 Difference]: Without dead ends: 5871 [2020-09-25 13:26:14,704 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 13:26:14,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5871 states. [2020-09-25 13:26:14,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5871 to 5348. [2020-09-25 13:26:14,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5348 states. [2020-09-25 13:26:14,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5348 states to 5348 states and 6542 transitions. [2020-09-25 13:26:14,822 INFO L78 Accepts]: Start accepts. Automaton has 5348 states and 6542 transitions. Word has length 296 [2020-09-25 13:26:14,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:26:14,822 INFO L479 AbstractCegarLoop]: Abstraction has 5348 states and 6542 transitions. [2020-09-25 13:26:14,822 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 13:26:14,822 INFO L276 IsEmpty]: Start isEmpty. Operand 5348 states and 6542 transitions. [2020-09-25 13:26:14,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2020-09-25 13:26:14,836 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:26:14,836 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:26:14,837 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-25 13:26:14,837 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:26:14,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:26:14,837 INFO L82 PathProgramCache]: Analyzing trace with hash -1985620780, now seen corresponding path program 1 times [2020-09-25 13:26:14,837 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:26:14,838 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [677132041] [2020-09-25 13:26:14,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:26:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:26:14,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:26:15,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:26:15,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:26:15,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 307 [2020-09-25 13:26:15,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:26:15,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 284 [2020-09-25 13:26:15,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:26:15,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:26:15,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:26:15,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 256 [2020-09-25 13:26:15,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-25 13:26:15,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:26:15,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:26:15,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:26:15,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:26:15,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:26:15,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:26:15,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:26:15,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:26:15,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:26:15,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:26:15,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:26:15,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:26:15,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:26:15,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:26:15,283 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-09-25 13:26:15,284 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [677132041] [2020-09-25 13:26:15,284 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:26:15,284 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 13:26:15,285 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072469039] [2020-09-25 13:26:15,285 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 13:26:15,285 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:26:15,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 13:26:15,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 13:26:15,286 INFO L87 Difference]: Start difference. First operand 5348 states and 6542 transitions. Second operand 3 states. [2020-09-25 13:26:15,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:26:15,393 INFO L93 Difference]: Finished difference Result 10484 states and 12883 transitions. [2020-09-25 13:26:15,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 13:26:15,393 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 298 [2020-09-25 13:26:15,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:26:15,408 INFO L225 Difference]: With dead ends: 10484 [2020-09-25 13:26:15,408 INFO L226 Difference]: Without dead ends: 6626 [2020-09-25 13:26:15,417 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 13:26:15,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6626 states. [2020-09-25 13:26:15,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6626 to 6626. [2020-09-25 13:26:15,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6626 states. [2020-09-25 13:26:15,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6626 states to 6626 states and 8120 transitions. [2020-09-25 13:26:15,545 INFO L78 Accepts]: Start accepts. Automaton has 6626 states and 8120 transitions. Word has length 298 [2020-09-25 13:26:15,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:26:15,545 INFO L479 AbstractCegarLoop]: Abstraction has 6626 states and 8120 transitions. [2020-09-25 13:26:15,546 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 13:26:15,546 INFO L276 IsEmpty]: Start isEmpty. Operand 6626 states and 8120 transitions. [2020-09-25 13:26:15,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2020-09-25 13:26:15,560 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:26:15,561 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:26:15,561 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-25 13:26:15,561 INFO L427 AbstractCegarLoop]: === Iteration 14 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:26:15,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:26:15,562 INFO L82 PathProgramCache]: Analyzing trace with hash -638739787, now seen corresponding path program 1 times [2020-09-25 13:26:15,562 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:26:15,562 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1945692545] [2020-09-25 13:26:15,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:26:15,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 13:26:15,603 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 13:26:15,603 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 13:26:15,609 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-25 13:26:15,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 01:26:15 BoogieIcfgContainer [2020-09-25 13:26:15,642 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 13:26:15,645 INFO L168 Benchmark]: Toolchain (without parser) took 29145.06 ms. Allocated memory was 147.3 MB in the beginning and 690.5 MB in the end (delta: 543.2 MB). Free memory was 103.0 MB in the beginning and 310.8 MB in the end (delta: -207.8 MB). Peak memory consumption was 335.3 MB. Max. memory is 7.1 GB. [2020-09-25 13:26:15,646 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 147.3 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-25 13:26:15,647 INFO L168 Benchmark]: CACSL2BoogieTranslator took 625.75 ms. Allocated memory was 147.3 MB in the beginning and 204.5 MB in the end (delta: 57.1 MB). Free memory was 102.3 MB in the beginning and 180.0 MB in the end (delta: -77.7 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. [2020-09-25 13:26:15,648 INFO L168 Benchmark]: Boogie Preprocessor took 73.88 ms. Allocated memory is still 204.5 MB. Free memory was 180.0 MB in the beginning and 177.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-09-25 13:26:15,649 INFO L168 Benchmark]: RCFGBuilder took 1008.30 ms. Allocated memory is still 204.5 MB. Free memory was 177.4 MB in the beginning and 108.9 MB in the end (delta: 68.5 MB). Peak memory consumption was 68.5 MB. Max. memory is 7.1 GB. [2020-09-25 13:26:15,649 INFO L168 Benchmark]: TraceAbstraction took 27427.08 ms. Allocated memory was 204.5 MB in the beginning and 690.5 MB in the end (delta: 486.0 MB). Free memory was 108.3 MB in the beginning and 310.8 MB in the end (delta: -202.6 MB). Peak memory consumption was 283.5 MB. Max. memory is 7.1 GB. [2020-09-25 13:26:15,653 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 147.3 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 625.75 ms. Allocated memory was 147.3 MB in the beginning and 204.5 MB in the end (delta: 57.1 MB). Free memory was 102.3 MB in the beginning and 180.0 MB in the end (delta: -77.7 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 73.88 ms. Allocated memory is still 204.5 MB. Free memory was 180.0 MB in the beginning and 177.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1008.30 ms. Allocated memory is still 204.5 MB. Free memory was 177.4 MB in the beginning and 108.9 MB in the end (delta: 68.5 MB). Peak memory consumption was 68.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27427.08 ms. Allocated memory was 204.5 MB in the beginning and 690.5 MB in the end (delta: 486.0 MB). Free memory was 108.3 MB in the beginning and 310.8 MB in the end (delta: -202.6 MB). Peak memory consumption was 283.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 573]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L578] int s ; [L582] s = 12292 [L583] CALL ssl3_connect(s) [L12] int s__info_callback = __VERIFIER_nondet_int() ; [L13] int s__in_handshake = __VERIFIER_nondet_int() ; [L14] int s__state ; [L15] int s__new_session ; [L16] int s__server ; [L17] int s__version = __VERIFIER_nondet_int() ; [L18] int s__type ; [L19] int s__init_num ; [L20] int s__bbio = __VERIFIER_nondet_int() ; [L21] int s__wbio = __VERIFIER_nondet_int() ; [L22] int s__hit = __VERIFIER_nondet_int() ; [L23] int s__rwstate ; [L24] int s__init_buf___0 = __VERIFIER_nondet_int() ; [L25] int s__debug = __VERIFIER_nondet_int() ; [L26] int s__shutdown ; [L27] int s__ctx__info_callback = __VERIFIER_nondet_int() ; [L28] int s__ctx__stats__sess_connect_renegotiate = __VERIFIER_nondet_int() ; [L29] int s__ctx__stats__sess_connect = __VERIFIER_nondet_int() ; [L30] int s__ctx__stats__sess_hit = __VERIFIER_nondet_int() ; [L31] int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_int() ; [L32] int s__s3__change_cipher_spec ; [L33] int s__s3__flags = __VERIFIER_nondet_int() ; [L34] int s__s3__delay_buf_pop_ret ; [L35] int s__s3__tmp__cert_req = __VERIFIER_nondet_int() ; [L36] int s__s3__tmp__new_compression = __VERIFIER_nondet_int() ; [L37] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int() ; [L38] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ; [L39] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int() ; [L40] int s__s3__tmp__next_state___0 ; [L41] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int() ; [L42] int s__session__cipher ; [L43] int s__session__compress_meth ; [L44] int buf ; [L45] unsigned long tmp ; [L46] unsigned long l ; [L47] int num1 = __VERIFIER_nondet_int() ; [L48] int cb ; [L49] int ret ; [L50] int new_state ; [L51] int state ; [L52] int skip ; [L53] int tmp___0 ; [L54] int tmp___1 = __VERIFIER_nondet_int() ; [L55] int tmp___2 = __VERIFIER_nondet_int() ; [L56] int tmp___3 = __VERIFIER_nondet_int() ; [L57] int tmp___4 = __VERIFIER_nondet_int() ; [L58] int tmp___5 = __VERIFIER_nondet_int() ; [L59] int tmp___6 = __VERIFIER_nondet_int() ; [L60] int tmp___7 = __VERIFIER_nondet_int() ; [L61] int tmp___8 = __VERIFIER_nondet_int() ; [L62] int tmp___9 = __VERIFIER_nondet_int() ; [L63] int blastFlag ; [L64] int __cil_tmp55 ; [L65] void *__cil_tmp56 ; [L66] unsigned long __cil_tmp57 ; [L67] unsigned long __cil_tmp58 = __VERIFIER_nondet_ulong() ; [L68] void *__cil_tmp59 ; [L69] unsigned long __cil_tmp60 ; [L70] unsigned long __cil_tmp61 ; [L71] unsigned long __cil_tmp62 ; [L72] unsigned long __cil_tmp63 ; [L73] unsigned long __cil_tmp64 ; [L74] long __cil_tmp65 = __VERIFIER_nondet_long() ; [L75] long __cil_tmp66 ; [L76] long __cil_tmp67 ; [L77] long __cil_tmp68 ; [L78] long __cil_tmp69 ; [L79] long __cil_tmp70 = __VERIFIER_nondet_long() ; [L80] long __cil_tmp71 ; [L81] long __cil_tmp72 ; [L82] long __cil_tmp73 ; [L83] long __cil_tmp74 ; [L87] s__state = initial_state [L88] blastFlag = 0 [L89] tmp = __VERIFIER_nondet_int() [L90] cb = 0 [L91] ret = -1 [L92] skip = 0 [L93] tmp___0 = 0 [L94] COND TRUE s__info_callback != 0 [L95] cb = s__info_callback [L101] s__in_handshake ++ [L102] COND FALSE !(tmp___1 + 12288) [L108] COND TRUE 1 [L110] state = s__state [L111] COND TRUE s__state == 12292 [L213] s__new_session = 1 [L214] s__state = 4096 [L215] s__ctx__stats__sess_connect_renegotiate ++ [L220] s__server = 0 [L221] COND TRUE cb != 0 [L225] __cil_tmp55 = s__version + 65280 [L226] COND FALSE !(__cil_tmp55 != 768) [L231] s__type = 4096 [L233] __cil_tmp56 = (void *)0 [L234] __cil_tmp57 = (unsigned long )__cil_tmp56 [L235] __cil_tmp58 = (unsigned long )s__init_buf___0 [L236] COND FALSE !(__cil_tmp58 == __cil_tmp57) [L254] COND FALSE !(! tmp___4) [L258] COND FALSE !(! tmp___5) [L262] s__state = 4368 [L263] s__ctx__stats__sess_connect ++ [L264] s__init_num = 0 [L545] COND FALSE !(! s__s3__tmp__reuse_message) [L562] skip = 0 [L108] COND TRUE 1 [L110] state = s__state [L111] COND FALSE !(s__state == 12292) [L114] COND FALSE !(s__state == 16384) [L117] COND FALSE !(s__state == 4096) [L120] COND FALSE !(s__state == 20480) [L123] COND FALSE !(s__state == 4099) [L126] COND TRUE s__state == 4368 [L268] s__shutdown = 0 [L269] ret = __VERIFIER_nondet_int() [L270] COND TRUE blastFlag == 0 [L271] blastFlag = 1 [L273] COND FALSE !(ret <= 0) [L276] s__state = 4384 [L277] s__init_num = 0 [L279] __cil_tmp62 = (unsigned long )s__wbio [L280] __cil_tmp63 = (unsigned long )s__bbio [L281] COND TRUE __cil_tmp63 != __cil_tmp62 [L545] COND FALSE !(! s__s3__tmp__reuse_message) [L562] skip = 0 [L108] COND TRUE 1 [L110] state = s__state [L111] COND FALSE !(s__state == 12292) [L114] COND FALSE !(s__state == 16384) [L117] COND FALSE !(s__state == 4096) [L120] COND FALSE !(s__state == 20480) [L123] COND FALSE !(s__state == 4099) [L126] COND FALSE !(s__state == 4368) [L129] COND FALSE !(s__state == 4369) [L132] COND TRUE s__state == 4384 [L288] ret = __VERIFIER_nondet_int() [L289] COND TRUE blastFlag == 1 [L290] blastFlag = 2 [L296] COND FALSE !(ret <= 0) [L299] COND FALSE !(\read(s__hit)) [L302] s__state = 4400 [L304] s__init_num = 0 [L545] COND FALSE !(! s__s3__tmp__reuse_message) [L562] skip = 0 [L108] COND TRUE 1 [L110] state = s__state [L111] COND FALSE !(s__state == 12292) [L114] COND FALSE !(s__state == 16384) [L117] COND FALSE !(s__state == 4096) [L120] COND FALSE !(s__state == 20480) [L123] COND FALSE !(s__state == 4099) [L126] COND FALSE !(s__state == 4368) [L129] COND FALSE !(s__state == 4369) [L132] COND FALSE !(s__state == 4384) [L135] COND FALSE !(s__state == 4385) [L138] COND TRUE s__state == 4400 [L309] __cil_tmp64 = (unsigned long )s__s3__tmp__new_cipher__algorithms [L310] COND FALSE !(__cil_tmp64 + 256UL) [L313] ret = __VERIFIER_nondet_int() [L314] COND TRUE blastFlag == 2 [L315] blastFlag = 3 [L317] COND FALSE !(ret <= 0) [L322] s__state = 4416 [L323] s__init_num = 0 [L545] COND FALSE !(! s__s3__tmp__reuse_message) [L562] skip = 0 [L108] COND TRUE 1 [L110] state = s__state [L111] COND FALSE !(s__state == 12292) [L114] COND FALSE !(s__state == 16384) [L117] COND FALSE !(s__state == 4096) [L120] COND FALSE !(s__state == 20480) [L123] COND FALSE !(s__state == 4099) [L126] COND FALSE !(s__state == 4368) [L129] COND FALSE !(s__state == 4369) [L132] COND FALSE !(s__state == 4384) [L135] COND FALSE !(s__state == 4385) [L138] COND FALSE !(s__state == 4400) [L141] COND FALSE !(s__state == 4401) [L144] COND TRUE s__state == 4416 [L327] ret = __VERIFIER_nondet_int() [L328] COND TRUE blastFlag == 3 [L329] blastFlag = 4 [L331] COND FALSE !(ret <= 0) [L334] s__state = 4432 [L335] s__init_num = 0 [L336] COND FALSE !(! tmp___6) [L545] COND FALSE !(! s__s3__tmp__reuse_message) [L562] skip = 0 [L108] COND TRUE 1 [L110] state = s__state [L111] COND FALSE !(s__state == 12292) [L114] COND FALSE !(s__state == 16384) [L117] COND FALSE !(s__state == 4096) [L120] COND FALSE !(s__state == 20480) [L123] COND FALSE !(s__state == 4099) [L126] COND FALSE !(s__state == 4368) [L129] COND FALSE !(s__state == 4369) [L132] COND FALSE !(s__state == 4384) [L135] COND FALSE !(s__state == 4385) [L138] COND FALSE !(s__state == 4400) [L141] COND FALSE !(s__state == 4401) [L144] COND FALSE !(s__state == 4416) [L147] COND FALSE !(s__state == 4417) [L150] COND TRUE s__state == 4432 [L343] ret = __VERIFIER_nondet_int() [L344] COND TRUE blastFlag == 4 [L573] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 414 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 27.3s, OverallIterations: 14, TraceHistogramMax: 6, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6060 SDtfs, 3782 SDslu, 6345 SDs, 0 SdLazy, 871 SolverSat, 160 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 83 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6626occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 1848 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 21.7s InterpolantComputationTime, 3479 NumberOfCodeBlocks, 3479 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 3167 ConstructedInterpolants, 0 QuantifiedInterpolants, 1116017 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 504/518 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 proved your program to be incorrect! Received shutdown request...