/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=0.5 --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_1.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 14:33:20,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 14:33:20,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 14:33:20,952 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 14:33:20,952 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 14:33:20,954 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 14:33:20,955 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 14:33:20,957 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 14:33:20,959 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 14:33:20,960 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 14:33:20,961 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 14:33:20,962 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 14:33:20,963 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 14:33:20,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 14:33:20,965 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 14:33:20,969 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 14:33:20,971 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 14:33:20,972 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 14:33:20,973 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 14:33:20,975 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 14:33:20,977 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 14:33:20,978 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 14:33:20,980 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 14:33:20,980 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 14:33:20,983 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 14:33:20,983 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 14:33:20,983 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 14:33:20,984 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 14:33:20,985 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 14:33:20,986 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 14:33:20,986 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 14:33:20,987 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 14:33:20,988 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 14:33:20,989 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 14:33:20,990 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 14:33:20,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 14:33:20,991 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 14:33:20,991 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 14:33:20,992 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 14:33:20,993 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 14:33:20,993 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 14:33:20,994 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 14:33:21,025 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 14:33:21,025 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 14:33:21,027 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 14:33:21,027 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 14:33:21,027 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 14:33:21,028 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 14:33:21,028 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 14:33:21,028 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 14:33:21,028 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 14:33:21,028 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 14:33:21,029 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 14:33:21,029 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 14:33:21,029 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 14:33:21,029 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 14:33:21,029 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 14:33:21,030 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 14:33:21,031 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 14:33:21,032 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 14:33:21,032 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 14:33:21,032 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 14:33:21,032 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 14:33:21,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:33:21,033 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 14:33:21,033 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 14:33:21,033 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 14:33:21,033 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 14:33:21,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 14:33:21,034 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 14:33:21,036 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 14:33:21,036 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=0.5;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=0.5;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=0.5;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=0.5;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=0.5;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=0.5;log-additional-information=true; [2020-09-25 14:33:21,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 14:33:21,565 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 14:33:21,571 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 14:33:21,575 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 14:33:21,575 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 14:33:21,576 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_1.cil-2.c [2020-09-25 14:33:21,673 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a7bcb6d6e/1b2fd72b9b32456bab06b06cbbfed695/FLAG03da9624f [2020-09-25 14:33:22,245 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 14:33:22,246 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ssh-simplified/s3_clnt_1.cil-2.c [2020-09-25 14:33:22,260 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a7bcb6d6e/1b2fd72b9b32456bab06b06cbbfed695/FLAG03da9624f [2020-09-25 14:33:22,556 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a7bcb6d6e/1b2fd72b9b32456bab06b06cbbfed695 [2020-09-25 14:33:22,570 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 14:33:22,577 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 14:33:22,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 14:33:22,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 14:33:22,584 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 14:33:22,586 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:33:22" (1/1) ... [2020-09-25 14:33:22,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d48d131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:33:22, skipping insertion in model container [2020-09-25 14:33:22,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:33:22" (1/1) ... [2020-09-25 14:33:22,601 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 14:33:22,672 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 14:33:22,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:33:22,941 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 14:33:23,108 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:33:23,125 INFO L208 MainTranslator]: Completed translation [2020-09-25 14:33:23,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:33:23 WrapperNode [2020-09-25 14:33:23,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 14:33:23,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 14:33:23,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 14:33:23,126 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 14:33:23,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:33:23" (1/1) ... [2020-09-25 14:33:23,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:33:23" (1/1) ... [2020-09-25 14:33:23,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:33:23" (1/1) ... [2020-09-25 14:33:23,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:33:23" (1/1) ... [2020-09-25 14:33:23,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:33:23" (1/1) ... [2020-09-25 14:33:23,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:33:23" (1/1) ... [2020-09-25 14:33:23,181 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:33:23" (1/1) ... [2020-09-25 14:33:23,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 14:33:23,186 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 14:33:23,186 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 14:33:23,186 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 14:33:23,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:33:23" (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 14:33:23,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 14:33:23,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 14:33:23,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2020-09-25 14:33:23,270 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 14:33:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 14:33:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-09-25 14:33:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 14:33:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-09-25 14:33:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2020-09-25 14:33:23,271 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 14:33:23,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 14:33:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 14:33:23,432 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-09-25 14:33:24,132 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-09-25 14:33:24,133 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-09-25 14:33:24,158 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 14:33:24,159 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-25 14:33:24,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:33:24 BoogieIcfgContainer [2020-09-25 14:33:24,167 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 14:33:24,168 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 14:33:24,169 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 14:33:24,172 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 14:33:24,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:33:22" (1/3) ... [2020-09-25 14:33:24,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58e30761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:33:24, skipping insertion in model container [2020-09-25 14:33:24,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:33:23" (2/3) ... [2020-09-25 14:33:24,174 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58e30761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:33:24, skipping insertion in model container [2020-09-25 14:33:24,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:33:24" (3/3) ... [2020-09-25 14:33:24,177 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_clnt_1.cil-2.c [2020-09-25 14:33:24,188 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 14:33:24,200 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 14:33:24,222 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 14:33:24,257 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 14:33:24,257 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 14:33:24,257 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 14:33:24,257 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 14:33:24,257 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 14:33:24,258 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 14:33:24,258 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 14:33:24,258 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 14:33:24,286 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states. [2020-09-25 14:33:24,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 14:33:24,308 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:33:24,309 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] [2020-09-25 14:33:24,310 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:33:24,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:33:24,319 INFO L82 PathProgramCache]: Analyzing trace with hash -1836119895, now seen corresponding path program 1 times [2020-09-25 14:33:24,330 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:33:24,331 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1044917861] [2020-09-25 14:33:24,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:33:24,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:33:24,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:24,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:25,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:25,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:33:25,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-09-25 14:33:25,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 14:33:25,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1108 [2020-09-25 14:33:25,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:33:25,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:33:25,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:33:25,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-25 14:33:25,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-09-25 14:33:25,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 14:33:25,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:33:25,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:33:25,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:25,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:33:25,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:33:25,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:33:25,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:33:25,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:33:25,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:33:25,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:33:25,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:33:25,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:33:25,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:33:26,085 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 14:33:26,086 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1044917861] [2020-09-25 14:33:26,089 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:33:26,090 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 14:33:26,091 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768851659] [2020-09-25 14:33:26,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 14:33:26,100 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:33:26,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 14:33:26,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-25 14:33:26,119 INFO L87 Difference]: Start difference. First operand 383 states. Second operand 5 states. [2020-09-25 14:33:26,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:33:26,544 INFO L93 Difference]: Finished difference Result 626 states and 801 transitions. [2020-09-25 14:33:26,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 14:33:26,547 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 160 [2020-09-25 14:33:26,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:33:26,591 INFO L225 Difference]: With dead ends: 626 [2020-09-25 14:33:26,591 INFO L226 Difference]: Without dead ends: 344 [2020-09-25 14:33:26,602 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-09-25 14:33:26,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2020-09-25 14:33:26,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 344. [2020-09-25 14:33:26,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2020-09-25 14:33:26,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 401 transitions. [2020-09-25 14:33:26,722 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 401 transitions. Word has length 160 [2020-09-25 14:33:26,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:33:26,726 INFO L479 AbstractCegarLoop]: Abstraction has 344 states and 401 transitions. [2020-09-25 14:33:26,727 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 14:33:26,727 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 401 transitions. [2020-09-25 14:33:26,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-09-25 14:33:26,738 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:33:26,740 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] [2020-09-25 14:33:26,740 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 14:33:26,742 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:33:26,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:33:26,744 INFO L82 PathProgramCache]: Analyzing trace with hash 933719357, now seen corresponding path program 1 times [2020-09-25 14:33:26,744 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:33:26,744 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [468973747] [2020-09-25 14:33:26,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:33:26,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:33:26,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:26,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:26,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:27,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:33:27,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-25 14:33:27,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 14:33:27,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 357 [2020-09-25 14:33:27,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:33:27,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:33:27,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:33:27,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 134 [2020-09-25 14:33:27,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-25 14:33:27,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:33:27,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:33:27,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:33:27,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:27,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:33:27,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:33:27,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:33:27,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:33:27,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:33:27,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:33:27,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:33:27,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:33:27,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:33:27,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:33:27,303 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 14:33:27,303 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [468973747] [2020-09-25 14:33:27,304 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:33:27,304 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 14:33:27,304 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281223274] [2020-09-25 14:33:27,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 14:33:27,307 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:33:27,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 14:33:27,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 14:33:27,308 INFO L87 Difference]: Start difference. First operand 344 states and 401 transitions. Second operand 3 states. [2020-09-25 14:33:27,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:33:27,399 INFO L93 Difference]: Finished difference Result 735 states and 899 transitions. [2020-09-25 14:33:27,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 14:33:27,400 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 183 [2020-09-25 14:33:27,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:33:27,405 INFO L225 Difference]: With dead ends: 735 [2020-09-25 14:33:27,405 INFO L226 Difference]: Without dead ends: 536 [2020-09-25 14:33:27,407 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 14:33:27,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2020-09-25 14:33:27,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 536. [2020-09-25 14:33:27,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2020-09-25 14:33:27,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 642 transitions. [2020-09-25 14:33:27,429 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 642 transitions. Word has length 183 [2020-09-25 14:33:27,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:33:27,432 INFO L479 AbstractCegarLoop]: Abstraction has 536 states and 642 transitions. [2020-09-25 14:33:27,432 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 14:33:27,433 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 642 transitions. [2020-09-25 14:33:27,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-09-25 14:33:27,437 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:33:27,438 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] [2020-09-25 14:33:27,438 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 14:33:27,439 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:33:27,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:33:27,439 INFO L82 PathProgramCache]: Analyzing trace with hash -1378664763, now seen corresponding path program 1 times [2020-09-25 14:33:27,440 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:33:27,440 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2103742955] [2020-09-25 14:33:27,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:33:27,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:33:27,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:27,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:27,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:27,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:33:27,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-09-25 14:33:27,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 14:33:27,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 363 [2020-09-25 14:33:27,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:33:27,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:33:27,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:33:27,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 186 [2020-09-25 14:33:27,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 14:33:27,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:33:27,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:33:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:33:27,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:27,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:33:27,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:33:27,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:33:27,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:33:27,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:33:27,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:33:27,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:33:27,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:33:27,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:33:27,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 16 [2020-09-25 14:33:27,947 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 14:33:27,948 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2103742955] [2020-09-25 14:33:27,948 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:33:27,950 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 14:33:27,950 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830328104] [2020-09-25 14:33:27,951 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 14:33:27,951 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:33:27,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 14:33:27,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 14:33:27,952 INFO L87 Difference]: Start difference. First operand 536 states and 642 transitions. Second operand 3 states. [2020-09-25 14:33:28,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:33:28,210 INFO L93 Difference]: Finished difference Result 1068 states and 1355 transitions. [2020-09-25 14:33:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 14:33:28,211 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 203 [2020-09-25 14:33:28,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:33:28,215 INFO L225 Difference]: With dead ends: 1068 [2020-09-25 14:33:28,215 INFO L226 Difference]: Without dead ends: 677 [2020-09-25 14:33:28,217 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 14:33:28,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2020-09-25 14:33:28,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 624. [2020-09-25 14:33:28,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2020-09-25 14:33:28,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 750 transitions. [2020-09-25 14:33:28,236 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 750 transitions. Word has length 203 [2020-09-25 14:33:28,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:33:28,237 INFO L479 AbstractCegarLoop]: Abstraction has 624 states and 750 transitions. [2020-09-25 14:33:28,237 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 14:33:28,237 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 750 transitions. [2020-09-25 14:33:28,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-09-25 14:33:28,240 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:33:28,240 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] [2020-09-25 14:33:28,241 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 14:33:28,241 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:33:28,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:33:28,242 INFO L82 PathProgramCache]: Analyzing trace with hash -2019314839, now seen corresponding path program 1 times [2020-09-25 14:33:28,242 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:33:28,242 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1552195515] [2020-09-25 14:33:28,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:33:28,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:33:28,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:28,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:28,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:28,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:29,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:33:29,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-09-25 14:33:29,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 14:33:29,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1110 [2020-09-25 14:33:29,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:33:29,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:33:29,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:33:29,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 184 [2020-09-25 14:33:29,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-09-25 14:33:29,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:33:29,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:33:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:33:29,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:29,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:33:29,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:33:29,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:33:29,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:33:29,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:33:29,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:33:29,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:33:29,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:33:29,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:33:29,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:33:29,469 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 14:33:29,470 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1552195515] [2020-09-25 14:33:29,470 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:33:29,471 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 14:33:29,471 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68512366] [2020-09-25 14:33:29,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 14:33:29,472 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:33:29,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 14:33:29,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 14:33:29,473 INFO L87 Difference]: Start difference. First operand 624 states and 750 transitions. Second operand 3 states. [2020-09-25 14:33:29,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:33:29,530 INFO L93 Difference]: Finished difference Result 1103 states and 1356 transitions. [2020-09-25 14:33:29,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 14:33:29,531 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 210 [2020-09-25 14:33:29,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:33:29,536 INFO L225 Difference]: With dead ends: 1103 [2020-09-25 14:33:29,537 INFO L226 Difference]: Without dead ends: 860 [2020-09-25 14:33:29,538 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 14:33:29,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 860 states. [2020-09-25 14:33:29,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 860 to 860. [2020-09-25 14:33:29,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 860 states. [2020-09-25 14:33:29,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 860 states and 1046 transitions. [2020-09-25 14:33:29,570 INFO L78 Accepts]: Start accepts. Automaton has 860 states and 1046 transitions. Word has length 210 [2020-09-25 14:33:29,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:33:29,572 INFO L479 AbstractCegarLoop]: Abstraction has 860 states and 1046 transitions. [2020-09-25 14:33:29,572 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 14:33:29,572 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1046 transitions. [2020-09-25 14:33:29,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-09-25 14:33:29,579 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:33:29,580 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] [2020-09-25 14:33:29,580 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 14:33:29,581 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:33:29,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:33:29,582 INFO L82 PathProgramCache]: Analyzing trace with hash 1362043361, now seen corresponding path program 1 times [2020-09-25 14:33:29,582 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:33:29,582 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [96071394] [2020-09-25 14:33:29,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:33:29,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:33:29,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:29,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:30,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:33:30,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-09-25 14:33:30,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:33:30,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 412 [2020-09-25 14:33:30,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:33:30,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:33:30,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:33:30,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 208 [2020-09-25 14:33:30,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 14:33:30,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:33:30,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:33:30,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:33:30,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:30,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:33:30,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:33:30,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:33:30,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:33:30,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:33:30,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:33:30,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:33:30,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:33:30,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:33:30,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:33:30,147 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 14:33:30,148 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [96071394] [2020-09-25 14:33:30,149 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:33:30,149 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 14:33:30,150 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87917440] [2020-09-25 14:33:30,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 14:33:30,151 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:33:30,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 14:33:30,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 14:33:30,152 INFO L87 Difference]: Start difference. First operand 860 states and 1046 transitions. Second operand 3 states. [2020-09-25 14:33:30,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:33:30,491 INFO L93 Difference]: Finished difference Result 1761 states and 2243 transitions. [2020-09-25 14:33:30,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 14:33:30,492 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 224 [2020-09-25 14:33:30,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:33:30,499 INFO L225 Difference]: With dead ends: 1761 [2020-09-25 14:33:30,500 INFO L226 Difference]: Without dead ends: 1043 [2020-09-25 14:33:30,502 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 14:33:30,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2020-09-25 14:33:30,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 992. [2020-09-25 14:33:30,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 992 states. [2020-09-25 14:33:30,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1205 transitions. [2020-09-25 14:33:30,538 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 1205 transitions. Word has length 224 [2020-09-25 14:33:30,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:33:30,539 INFO L479 AbstractCegarLoop]: Abstraction has 992 states and 1205 transitions. [2020-09-25 14:33:30,539 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 14:33:30,539 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1205 transitions. [2020-09-25 14:33:30,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-09-25 14:33:30,547 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:33:30,547 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] [2020-09-25 14:33:30,548 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 14:33:30,548 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:33:30,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:33:30,549 INFO L82 PathProgramCache]: Analyzing trace with hash -481557951, now seen corresponding path program 1 times [2020-09-25 14:33:30,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:33:30,549 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1534276283] [2020-09-25 14:33:30,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:33:30,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:33:30,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:30,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:30,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:31,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:33:31,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-09-25 14:33:31,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 14:33:31,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 581 [2020-09-25 14:33:31,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:33:31,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:33:31,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:33:31,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 208 [2020-09-25 14:33:31,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-25 14:33:31,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:33:31,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:33:31,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:33:31,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:31,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:33:31,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:33:31,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:33:31,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:33:31,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:33:31,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:33:31,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:33:31,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:33:31,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:33:31,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:33:31,257 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 14:33:31,257 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1534276283] [2020-09-25 14:33:31,258 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:33:31,258 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 14:33:31,258 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350359612] [2020-09-25 14:33:31,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 14:33:31,259 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:33:31,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 14:33:31,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 14:33:31,260 INFO L87 Difference]: Start difference. First operand 992 states and 1205 transitions. Second operand 3 states. [2020-09-25 14:33:31,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:33:31,427 INFO L93 Difference]: Finished difference Result 1936 states and 2407 transitions. [2020-09-25 14:33:31,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 14:33:31,428 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 224 [2020-09-25 14:33:31,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:33:31,434 INFO L225 Difference]: With dead ends: 1936 [2020-09-25 14:33:31,434 INFO L226 Difference]: Without dead ends: 1089 [2020-09-25 14:33:31,436 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 14:33:31,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2020-09-25 14:33:31,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 1058. [2020-09-25 14:33:31,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1058 states. [2020-09-25 14:33:31,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1286 transitions. [2020-09-25 14:33:31,464 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1286 transitions. Word has length 224 [2020-09-25 14:33:31,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:33:31,465 INFO L479 AbstractCegarLoop]: Abstraction has 1058 states and 1286 transitions. [2020-09-25 14:33:31,465 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 14:33:31,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1286 transitions. [2020-09-25 14:33:31,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-09-25 14:33:31,469 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:33:31,470 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 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] [2020-09-25 14:33:31,470 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 14:33:31,470 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:33:31,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:33:31,471 INFO L82 PathProgramCache]: Analyzing trace with hash 2136168653, now seen corresponding path program 1 times [2020-09-25 14:33:31,471 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:33:31,471 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [32201787] [2020-09-25 14:33:31,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:33:31,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:33:31,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:31,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:31,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:31,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:32,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:33:32,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-09-25 14:33:32,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 14:33:32,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1016 [2020-09-25 14:33:32,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:33:32,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:33:32,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:33:32,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 205 [2020-09-25 14:33:32,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-09-25 14:33:32,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:33:32,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:33:32,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:33:32,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:32,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:33:32,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:33:32,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:33:32,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:33:32,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:33:32,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:33:32,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:33:32,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:33:32,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:33:32,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:33:32,600 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 14:33:32,601 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [32201787] [2020-09-25 14:33:32,601 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:33:32,601 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 14:33:32,602 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451882251] [2020-09-25 14:33:32,602 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 14:33:32,602 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:33:32,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 14:33:32,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 14:33:32,603 INFO L87 Difference]: Start difference. First operand 1058 states and 1286 transitions. Second operand 3 states. [2020-09-25 14:33:32,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:33:32,668 INFO L93 Difference]: Finished difference Result 1971 states and 2428 transitions. [2020-09-25 14:33:32,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 14:33:32,669 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 231 [2020-09-25 14:33:32,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:33:32,676 INFO L225 Difference]: With dead ends: 1971 [2020-09-25 14:33:32,676 INFO L226 Difference]: Without dead ends: 1360 [2020-09-25 14:33:32,678 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 14:33:32,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1360 states. [2020-09-25 14:33:32,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1360 to 1360. [2020-09-25 14:33:32,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1360 states. [2020-09-25 14:33:32,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1360 states to 1360 states and 1663 transitions. [2020-09-25 14:33:32,712 INFO L78 Accepts]: Start accepts. Automaton has 1360 states and 1663 transitions. Word has length 231 [2020-09-25 14:33:32,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:33:32,713 INFO L479 AbstractCegarLoop]: Abstraction has 1360 states and 1663 transitions. [2020-09-25 14:33:32,713 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 14:33:32,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1360 states and 1663 transitions. [2020-09-25 14:33:32,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-09-25 14:33:32,718 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:33:32,718 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] [2020-09-25 14:33:32,719 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-25 14:33:32,719 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:33:32,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:33:32,719 INFO L82 PathProgramCache]: Analyzing trace with hash -1037157879, now seen corresponding path program 1 times [2020-09-25 14:33:32,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:33:32,720 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [306864648] [2020-09-25 14:33:32,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:33:32,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:33:32,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:32,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:33,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:33,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:33:33,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-09-25 14:33:33,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 14:33:33,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 400 [2020-09-25 14:33:33,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:33:33,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:33:33,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:33:33,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 229 [2020-09-25 14:33:33,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-25 14:33:33,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:33:33,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:33:33,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:33:33,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:33,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:33:33,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:33:33,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:33:33,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:33:33,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:33:33,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:33:33,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:33:33,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:33:33,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:33:33,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:33:33,365 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 14:33:33,365 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [306864648] [2020-09-25 14:33:33,366 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:33:33,366 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 14:33:33,366 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932043213] [2020-09-25 14:33:33,367 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 14:33:33,367 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:33:33,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 14:33:33,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 14:33:33,368 INFO L87 Difference]: Start difference. First operand 1360 states and 1663 transitions. Second operand 3 states. [2020-09-25 14:33:33,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:33:33,437 INFO L93 Difference]: Finished difference Result 2575 states and 3182 transitions. [2020-09-25 14:33:33,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 14:33:33,438 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 247 [2020-09-25 14:33:33,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:33:33,447 INFO L225 Difference]: With dead ends: 2575 [2020-09-25 14:33:33,447 INFO L226 Difference]: Without dead ends: 1662 [2020-09-25 14:33:33,449 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 14:33:33,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1662 states. [2020-09-25 14:33:33,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1662 to 1662. [2020-09-25 14:33:33,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1662 states. [2020-09-25 14:33:33,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1662 states to 1662 states and 2041 transitions. [2020-09-25 14:33:33,491 INFO L78 Accepts]: Start accepts. Automaton has 1662 states and 2041 transitions. Word has length 247 [2020-09-25 14:33:33,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:33:33,492 INFO L479 AbstractCegarLoop]: Abstraction has 1662 states and 2041 transitions. [2020-09-25 14:33:33,492 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 14:33:33,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1662 states and 2041 transitions. [2020-09-25 14:33:33,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2020-09-25 14:33:33,498 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:33:33,498 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] [2020-09-25 14:33:33,499 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-25 14:33:33,499 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:33:33,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:33:33,499 INFO L82 PathProgramCache]: Analyzing trace with hash -1703791530, now seen corresponding path program 1 times [2020-09-25 14:33:33,500 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:33:33,500 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [322254587] [2020-09-25 14:33:33,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:33:33,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 14:33:33,536 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 14:33:33,536 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 14:33:33,542 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-25 14:33:33,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 02:33:33 BoogieIcfgContainer [2020-09-25 14:33:33,578 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 14:33:33,582 INFO L168 Benchmark]: Toolchain (without parser) took 11007.90 ms. Allocated memory was 140.0 MB in the beginning and 397.9 MB in the end (delta: 257.9 MB). Free memory was 103.0 MB in the beginning and 282.5 MB in the end (delta: -179.5 MB). Peak memory consumption was 78.4 MB. Max. memory is 7.1 GB. [2020-09-25 14:33:33,582 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 14:33:33,583 INFO L168 Benchmark]: CACSL2BoogieTranslator took 545.75 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 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 26.3 MB. Max. memory is 7.1 GB. [2020-09-25 14:33:33,584 INFO L168 Benchmark]: Boogie Preprocessor took 59.43 ms. Allocated memory is still 203.4 MB. Free memory was 180.0 MB in the beginning and 177.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-09-25 14:33:33,585 INFO L168 Benchmark]: RCFGBuilder took 981.37 ms. Allocated memory is still 203.4 MB. Free memory was 177.3 MB in the beginning and 113.3 MB in the end (delta: 64.0 MB). Peak memory consumption was 64.0 MB. Max. memory is 7.1 GB. [2020-09-25 14:33:33,586 INFO L168 Benchmark]: TraceAbstraction took 9409.60 ms. Allocated memory was 203.4 MB in the beginning and 397.9 MB in the end (delta: 194.5 MB). Free memory was 112.7 MB in the beginning and 282.5 MB in the end (delta: -169.8 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. [2020-09-25 14:33:33,589 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 545.75 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 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 26.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 59.43 ms. Allocated memory is still 203.4 MB. Free memory was 180.0 MB in the beginning and 177.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 981.37 ms. Allocated memory is still 203.4 MB. Free memory was 177.3 MB in the beginning and 113.3 MB in the end (delta: 64.0 MB). Peak memory consumption was 64.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9409.60 ms. Allocated memory was 203.4 MB in the beginning and 397.9 MB in the end (delta: 194.5 MB). Free memory was 112.7 MB in the beginning and 282.5 MB in the end (delta: -169.8 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 543]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L548] int s ; [L552] s = 12292 [L553] CALL ssl3_connect(12292) [L11] int s__info_callback = __VERIFIER_nondet_int() ; [L12] int s__in_handshake = __VERIFIER_nondet_int() ; [L13] int s__state ; [L14] int s__new_session ; [L15] int s__server ; [L16] int s__version = __VERIFIER_nondet_int() ; [L17] int s__type ; [L18] int s__init_num ; [L19] int s__bbio = __VERIFIER_nondet_int() ; [L20] int s__wbio = __VERIFIER_nondet_int() ; [L21] int s__hit = __VERIFIER_nondet_int() ; [L22] int s__rwstate ; [L23] int s__init_buf___0 = 1; [L24] int s__debug = __VERIFIER_nondet_int() ; [L25] int s__shutdown ; [L26] int s__ctx__info_callback = __VERIFIER_nondet_int() ; [L27] int s__ctx__stats__sess_connect_renegotiate = __VERIFIER_nondet_int() ; [L28] int s__ctx__stats__sess_connect = __VERIFIER_nondet_int() ; [L29] int s__ctx__stats__sess_hit = __VERIFIER_nondet_int() ; [L30] int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_int() ; [L31] int s__s3__change_cipher_spec ; [L32] int s__s3__flags ; [L33] int s__s3__delay_buf_pop_ret ; [L34] int s__s3__tmp__cert_req = __VERIFIER_nondet_int() ; [L35] int s__s3__tmp__new_compression = __VERIFIER_nondet_int() ; [L36] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int() ; [L37] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ; [L38] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int() ; [L39] int s__s3__tmp__next_state___0 ; [L40] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int() ; [L41] int s__session__cipher ; [L42] int s__session__compress_meth ; [L43] int buf ; [L44] unsigned long tmp ; [L45] unsigned long l ; [L46] int num1 ; [L47] int cb ; [L48] int ret ; [L49] int new_state ; [L50] int state ; [L51] int skip ; [L52] int tmp___0 ; [L53] int tmp___1 = __VERIFIER_nondet_int() ; [L54] int tmp___2 = __VERIFIER_nondet_int() ; [L55] int tmp___3 = __VERIFIER_nondet_int() ; [L56] int tmp___4 = __VERIFIER_nondet_int() ; [L57] int tmp___5 = __VERIFIER_nondet_int() ; [L58] int tmp___6 = __VERIFIER_nondet_int() ; [L59] int tmp___7 = __VERIFIER_nondet_int() ; [L60] int tmp___8 = __VERIFIER_nondet_int() ; [L61] int tmp___9 = __VERIFIER_nondet_int() ; [L62] int blastFlag ; [L63] int __cil_tmp55 ; [L64] long __cil_tmp56 ; [L65] long __cil_tmp57 ; [L66] long __cil_tmp58 ; [L67] long __cil_tmp59 ; [L68] long __cil_tmp60 ; [L69] long __cil_tmp61 ; [L70] long __cil_tmp62 ; [L71] long __cil_tmp63 ; [L72] long __cil_tmp64 ; [L76] s__state = initial_state [L77] blastFlag = 0 [L78] tmp = __VERIFIER_nondet_int() [L79] cb = 0 [L80] ret = -1 [L81] skip = 0 [L82] tmp___0 = 0 [L83] COND TRUE s__info_callback != 0 [L84] cb = s__info_callback [L90] s__in_handshake ++ [L91] COND FALSE !(tmp___1 - 12288) [L97] COND TRUE 1 [L99] state = s__state [L100] COND TRUE s__state == 12292 [L202] s__new_session = 1 [L203] s__state = 4096 [L204] s__ctx__stats__sess_connect_renegotiate ++ [L209] s__server = 0 [L210] COND TRUE cb != 0 [L214] __cil_tmp55 = s__version - 65280 [L215] COND FALSE !(__cil_tmp55 != 768) [L220] s__type = 4096 [L221] COND FALSE !(s__init_buf___0 == 0) [L233] COND FALSE !(! tmp___4) [L237] COND FALSE !(! tmp___5) [L241] s__state = 4368 [L242] s__ctx__stats__sess_connect ++ [L243] s__init_num = 0 [L515] COND FALSE !(! s__s3__tmp__reuse_message) [L532] skip = 0 [L97] COND TRUE 1 [L99] state = s__state [L100] COND FALSE !(s__state == 12292) [L103] COND FALSE !(s__state == 16384) [L106] COND FALSE !(s__state == 4096) [L109] COND FALSE !(s__state == 20480) [L112] COND FALSE !(s__state == 4099) [L115] COND TRUE s__state == 4368 [L247] s__shutdown = 0 [L248] ret = __VERIFIER_nondet_int() [L249] COND TRUE blastFlag == 0 [L250] blastFlag = 1 [L252] COND FALSE !(ret <= 0) [L255] s__state = 4384 [L256] s__init_num = 0 [L257] COND TRUE s__bbio != s__wbio [L515] COND FALSE !(! s__s3__tmp__reuse_message) [L532] skip = 0 [L97] COND TRUE 1 [L99] state = s__state [L100] COND FALSE !(s__state == 12292) [L103] COND FALSE !(s__state == 16384) [L106] COND FALSE !(s__state == 4096) [L109] COND FALSE !(s__state == 20480) [L112] COND FALSE !(s__state == 4099) [L115] COND FALSE !(s__state == 4368) [L118] COND FALSE !(s__state == 4369) [L121] COND TRUE s__state == 4384 [L263] ret = __VERIFIER_nondet_int() [L264] COND TRUE blastFlag == 1 [L265] blastFlag = 2 [L267] COND FALSE !(ret <= 0) [L270] COND FALSE !(\read(s__hit)) [L273] s__state = 4400 [L275] s__init_num = 0 [L515] COND FALSE !(! s__s3__tmp__reuse_message) [L532] skip = 0 [L97] COND TRUE 1 [L99] state = s__state [L100] COND FALSE !(s__state == 12292) [L103] COND FALSE !(s__state == 16384) [L106] COND FALSE !(s__state == 4096) [L109] COND FALSE !(s__state == 20480) [L112] COND FALSE !(s__state == 4099) [L115] COND FALSE !(s__state == 4368) [L118] COND FALSE !(s__state == 4369) [L121] COND FALSE !(s__state == 4384) [L124] COND FALSE !(s__state == 4385) [L127] COND TRUE s__state == 4400 [L279] COND FALSE !(s__s3__tmp__new_cipher__algorithms - 256) [L282] ret = __VERIFIER_nondet_int() [L283] COND TRUE blastFlag == 2 [L284] blastFlag = 3 [L286] COND FALSE !(ret <= 0) [L290] s__state = 4416 [L291] s__init_num = 0 [L515] COND FALSE !(! s__s3__tmp__reuse_message) [L532] skip = 0 [L97] COND TRUE 1 [L99] state = s__state [L100] COND FALSE !(s__state == 12292) [L103] COND FALSE !(s__state == 16384) [L106] COND FALSE !(s__state == 4096) [L109] COND FALSE !(s__state == 20480) [L112] COND FALSE !(s__state == 4099) [L115] COND FALSE !(s__state == 4368) [L118] COND FALSE !(s__state == 4369) [L121] COND FALSE !(s__state == 4384) [L124] COND FALSE !(s__state == 4385) [L127] COND FALSE !(s__state == 4400) [L130] COND FALSE !(s__state == 4401) [L133] COND TRUE s__state == 4416 [L295] ret = __VERIFIER_nondet_int() [L296] COND TRUE blastFlag == 3 [L297] blastFlag = 4 [L299] COND FALSE !(ret <= 0) [L302] s__state = 4432 [L303] s__init_num = 0 [L304] COND FALSE !(! tmp___6) [L515] COND FALSE !(! s__s3__tmp__reuse_message) [L532] skip = 0 [L97] COND TRUE 1 [L99] state = s__state [L100] COND FALSE !(s__state == 12292) [L103] COND FALSE !(s__state == 16384) [L106] COND FALSE !(s__state == 4096) [L109] COND FALSE !(s__state == 20480) [L112] COND FALSE !(s__state == 4099) [L115] COND FALSE !(s__state == 4368) [L118] COND FALSE !(s__state == 4369) [L121] COND FALSE !(s__state == 4384) [L124] COND FALSE !(s__state == 4385) [L127] COND FALSE !(s__state == 4400) [L130] COND FALSE !(s__state == 4401) [L133] COND FALSE !(s__state == 4416) [L136] COND FALSE !(s__state == 4417) [L139] COND TRUE s__state == 4432 [L311] ret = __VERIFIER_nondet_int() [L312] COND TRUE blastFlag == 4 [L543] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 383 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 9.2s, OverallIterations: 9, TraceHistogramMax: 6, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3224 SDtfs, 1895 SDslu, 2683 SDs, 0 SdLazy, 542 SolverSat, 105 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1662occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 135 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 1954 NumberOfCodeBlocks, 1954 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1674 ConstructedInterpolants, 0 QuantifiedInterpolants, 569456 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 238/238 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...