/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 SequenceOfStatements --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=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_1.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 20:58:35,918 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 20:58:35,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 20:58:35,944 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 20:58:35,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 20:58:35,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 20:58:35,947 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 20:58:35,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 20:58:35,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 20:58:35,951 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 20:58:35,952 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 20:58:35,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 20:58:35,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 20:58:35,954 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 20:58:35,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 20:58:35,956 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 20:58:35,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 20:58:35,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 20:58:35,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 20:58:35,961 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 20:58:35,963 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 20:58:35,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 20:58:35,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 20:58:35,966 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 20:58:35,968 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 20:58:35,969 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 20:58:35,969 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 20:58:35,970 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 20:58:35,970 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 20:58:35,971 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 20:58:35,971 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 20:58:35,972 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 20:58:35,972 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 20:58:35,973 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 20:58:35,974 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 20:58:35,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 20:58:35,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 20:58:35,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 20:58:35,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 20:58:35,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 20:58:35,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 20:58:35,978 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 [2020-10-12 20:58:36,014 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 20:58:36,014 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 20:58:36,015 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 20:58:36,015 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 20:58:36,016 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 20:58:36,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 20:58:36,019 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 20:58:36,019 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 20:58:36,019 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 20:58:36,020 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 20:58:36,020 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 20:58:36,020 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 20:58:36,020 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 20:58:36,020 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 20:58:36,020 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 20:58:36,021 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 20:58:36,021 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 20:58:36,021 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 20:58:36,021 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 20:58:36,021 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 20:58:36,022 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 20:58:36,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 20:58:36,025 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 20:58:36,027 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 20:58:36,027 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 20:58:36,027 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 20:58:36,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 20:58:36,028 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 20:58:36,028 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 20:58:36,028 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 -> SequenceOfStatements 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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 20:58:36,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 20:58:36,344 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 20:58:36,347 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 20:58:36,349 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 20:58:36,349 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 20:58:36,350 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_1.cil-1.c [2020-10-12 20:58:36,428 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a21ce3f97/a6050f23e36d40d986c235bfbce3408b/FLAG53ee1572e [2020-10-12 20:58:36,914 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 20:58:36,915 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ssh-simplified/s3_clnt_1.cil-1.c [2020-10-12 20:58:36,931 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a21ce3f97/a6050f23e36d40d986c235bfbce3408b/FLAG53ee1572e [2020-10-12 20:58:37,223 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a21ce3f97/a6050f23e36d40d986c235bfbce3408b [2020-10-12 20:58:37,232 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 20:58:37,233 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 20:58:37,234 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 20:58:37,234 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 20:58:37,237 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 20:58:37,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 08:58:37" (1/1) ... [2020-10-12 20:58:37,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2acd657e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:58:37, skipping insertion in model container [2020-10-12 20:58:37,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 08:58:37" (1/1) ... [2020-10-12 20:58:37,250 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 20:58:37,311 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 20:58:37,554 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 20:58:37,559 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 20:58:37,727 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 20:58:37,745 INFO L208 MainTranslator]: Completed translation [2020-10-12 20:58:37,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:58:37 WrapperNode [2020-10-12 20:58:37,745 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 20:58:37,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 20:58:37,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 20:58:37,746 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 20:58:37,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:58:37" (1/1) ... [2020-10-12 20:58:37,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:58:37" (1/1) ... [2020-10-12 20:58:37,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:58:37" (1/1) ... [2020-10-12 20:58:37,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:58:37" (1/1) ... [2020-10-12 20:58:37,777 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:58:37" (1/1) ... [2020-10-12 20:58:37,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:58:37" (1/1) ... [2020-10-12 20:58:37,792 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:58:37" (1/1) ... [2020-10-12 20:58:37,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 20:58:37,796 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 20:58:37,796 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 20:58:37,797 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 20:58:37,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:58:37" (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 [2020-10-12 20:58:37,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 20:58:37,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 20:58:37,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2020-10-12 20:58:37,860 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 20:58:37,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 20:58:37,861 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-12 20:58:37,861 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 20:58:37,861 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-12 20:58:37,861 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2020-10-12 20:58:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 20:58:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 20:58:37,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 20:58:38,105 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 20:58:38,577 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-10-12 20:58:38,577 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-10-12 20:58:38,604 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 20:58:38,604 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-12 20:58:38,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 08:58:38 BoogieIcfgContainer [2020-10-12 20:58:38,613 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 20:58:38,617 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 20:58:38,617 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 20:58:38,620 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 20:58:38,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 08:58:37" (1/3) ... [2020-10-12 20:58:38,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@124ee33d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 08:58:38, skipping insertion in model container [2020-10-12 20:58:38,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:58:37" (2/3) ... [2020-10-12 20:58:38,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@124ee33d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 08:58:38, skipping insertion in model container [2020-10-12 20:58:38,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 08:58:38" (3/3) ... [2020-10-12 20:58:38,627 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_clnt_1.cil-1.c [2020-10-12 20:58:38,639 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 20:58:38,648 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 20:58:38,663 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 20:58:38,696 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 20:58:38,697 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 20:58:38,697 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 20:58:38,697 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 20:58:38,698 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 20:58:38,698 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 20:58:38,698 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 20:58:38,698 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 20:58:38,718 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2020-10-12 20:58:38,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-12 20:58:38,726 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:58:38,727 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] [2020-10-12 20:58:38,727 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:58:38,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:58:38,732 INFO L82 PathProgramCache]: Analyzing trace with hash 173381458, now seen corresponding path program 1 times [2020-10-12 20:58:38,739 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:58:38,740 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [899884296] [2020-10-12 20:58:38,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:58:38,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:38,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:39,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:39,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:39,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:39,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-12 20:58:39,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 20:58:39,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 498 [2020-10-12 20:58:39,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:39,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 20:58:39,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 20:58:39,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 20:58:39,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 20:58:39,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:58:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:39,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:39,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:39,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:58:39,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:58:39,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 20:58:39,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:39,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:58:39,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:58:39,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:58:39,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:58:39,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 20:58:39,505 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [899884296] [2020-10-12 20:58:39,507 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:58:39,507 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-12 20:58:39,508 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506488325] [2020-10-12 20:58:39,514 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-12 20:58:39,515 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:58:39,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-12 20:58:39,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-12 20:58:39,531 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 4 states. [2020-10-12 20:58:39,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:58:39,778 INFO L93 Difference]: Finished difference Result 261 states and 436 transitions. [2020-10-12 20:58:39,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-12 20:58:39,780 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2020-10-12 20:58:39,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:58:39,792 INFO L225 Difference]: With dead ends: 261 [2020-10-12 20:58:39,793 INFO L226 Difference]: Without dead ends: 119 [2020-10-12 20:58:39,797 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-12 20:58:39,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-10-12 20:58:39,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2020-10-12 20:58:39,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-10-12 20:58:39,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 176 transitions. [2020-10-12 20:58:39,849 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 176 transitions. Word has length 29 [2020-10-12 20:58:39,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:58:39,849 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 176 transitions. [2020-10-12 20:58:39,849 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-12 20:58:39,850 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 176 transitions. [2020-10-12 20:58:39,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-12 20:58:39,851 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:58:39,852 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] [2020-10-12 20:58:39,852 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 20:58:39,852 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:58:39,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:58:39,853 INFO L82 PathProgramCache]: Analyzing trace with hash -1901617752, now seen corresponding path program 1 times [2020-10-12 20:58:39,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:58:39,853 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1431786014] [2020-10-12 20:58:39,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:58:39,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:39,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:39,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:39,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:40,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:40,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-12 20:58:40,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 20:58:40,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-10-12 20:58:40,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:40,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:58:40,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 20:58:40,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 20:58:40,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:40,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:58:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:40,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:40,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:40,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:58:40,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:58:40,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:58:40,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:40,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:58:40,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:58:40,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:58:40,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:58:40,094 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-12 20:58:40,095 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1431786014] [2020-10-12 20:58:40,095 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:58:40,095 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:58:40,096 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327443097] [2020-10-12 20:58:40,097 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:58:40,098 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:58:40,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:58:40,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:58:40,098 INFO L87 Difference]: Start difference. First operand 119 states and 176 transitions. Second operand 3 states. [2020-10-12 20:58:40,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:58:40,183 INFO L93 Difference]: Finished difference Result 325 states and 489 transitions. [2020-10-12 20:58:40,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:58:40,186 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2020-10-12 20:58:40,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:58:40,189 INFO L225 Difference]: With dead ends: 325 [2020-10-12 20:58:40,189 INFO L226 Difference]: Without dead ends: 221 [2020-10-12 20:58:40,191 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 [2020-10-12 20:58:40,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-10-12 20:58:40,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2020-10-12 20:58:40,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2020-10-12 20:58:40,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 327 transitions. [2020-10-12 20:58:40,227 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 327 transitions. Word has length 42 [2020-10-12 20:58:40,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:58:40,228 INFO L479 AbstractCegarLoop]: Abstraction has 221 states and 327 transitions. [2020-10-12 20:58:40,228 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:58:40,228 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 327 transitions. [2020-10-12 20:58:40,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-12 20:58:40,234 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:58:40,234 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] [2020-10-12 20:58:40,235 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 20:58:40,236 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:58:40,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:58:40,236 INFO L82 PathProgramCache]: Analyzing trace with hash 578658705, now seen corresponding path program 1 times [2020-10-12 20:58:40,237 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:58:40,237 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [194469106] [2020-10-12 20:58:40,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:58:40,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:40,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:40,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:40,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:40,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:40,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-12 20:58:40,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 20:58:40,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-10-12 20:58:40,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:40,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:58:40,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-12 20:58:40,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 20:58:40,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:40,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:58:40,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:40,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:40,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:40,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:58:40,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:58:40,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:58:40,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:40,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:58:40,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:58:40,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:58:40,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:58:40,479 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-12 20:58:40,479 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [194469106] [2020-10-12 20:58:40,479 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:58:40,480 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:58:40,480 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077382789] [2020-10-12 20:58:40,480 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:58:40,481 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:58:40,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:58:40,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:58:40,481 INFO L87 Difference]: Start difference. First operand 221 states and 327 transitions. Second operand 3 states. [2020-10-12 20:58:40,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:58:40,527 INFO L93 Difference]: Finished difference Result 427 states and 640 transitions. [2020-10-12 20:58:40,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:58:40,528 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-10-12 20:58:40,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:58:40,531 INFO L225 Difference]: With dead ends: 427 [2020-10-12 20:58:40,531 INFO L226 Difference]: Without dead ends: 323 [2020-10-12 20:58:40,532 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 [2020-10-12 20:58:40,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2020-10-12 20:58:40,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 323. [2020-10-12 20:58:40,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2020-10-12 20:58:40,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 479 transitions. [2020-10-12 20:58:40,552 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 479 transitions. Word has length 56 [2020-10-12 20:58:40,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:58:40,552 INFO L479 AbstractCegarLoop]: Abstraction has 323 states and 479 transitions. [2020-10-12 20:58:40,553 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:58:40,553 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 479 transitions. [2020-10-12 20:58:40,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-10-12 20:58:40,556 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:58:40,557 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] [2020-10-12 20:58:40,557 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 20:58:40,557 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:58:40,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:58:40,557 INFO L82 PathProgramCache]: Analyzing trace with hash -1321928473, now seen corresponding path program 1 times [2020-10-12 20:58:40,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:58:40,558 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [574652345] [2020-10-12 20:58:40,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:58:40,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:40,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:40,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:40,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:40,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 20:58:40,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 20:58:40,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-12 20:58:40,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:40,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:58:40,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-12 20:58:40,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 20:58:40,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:40,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:58:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:40,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:40,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:40,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:58:40,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:58:40,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:58:40,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:40,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:58:40,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:58:40,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:58:40,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:40,752 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-12 20:58:40,752 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [574652345] [2020-10-12 20:58:40,753 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:58:40,753 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:58:40,753 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276424088] [2020-10-12 20:58:40,754 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:58:40,754 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:58:40,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:58:40,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:58:40,755 INFO L87 Difference]: Start difference. First operand 323 states and 479 transitions. Second operand 3 states. [2020-10-12 20:58:40,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:58:40,971 INFO L93 Difference]: Finished difference Result 784 states and 1206 transitions. [2020-10-12 20:58:40,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:58:40,972 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2020-10-12 20:58:40,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:58:40,975 INFO L225 Difference]: With dead ends: 784 [2020-10-12 20:58:40,975 INFO L226 Difference]: Without dead ends: 473 [2020-10-12 20:58:40,976 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 [2020-10-12 20:58:40,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2020-10-12 20:58:40,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 446. [2020-10-12 20:58:40,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 446 states. [2020-10-12 20:58:40,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 629 transitions. [2020-10-12 20:58:40,993 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 629 transitions. Word has length 73 [2020-10-12 20:58:40,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:58:40,994 INFO L479 AbstractCegarLoop]: Abstraction has 446 states and 629 transitions. [2020-10-12 20:58:40,994 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:58:40,994 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 629 transitions. [2020-10-12 20:58:40,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-10-12 20:58:40,997 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:58:40,997 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] [2020-10-12 20:58:40,997 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 20:58:40,997 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:58:40,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:58:40,998 INFO L82 PathProgramCache]: Analyzing trace with hash 1167600489, now seen corresponding path program 1 times [2020-10-12 20:58:40,998 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:58:40,998 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [732140824] [2020-10-12 20:58:40,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:58:41,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:41,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:41,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:41,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:41,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:41,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 20:58:41,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 20:58:41,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-10-12 20:58:41,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:41,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:58:41,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-12 20:58:41,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 20:58:41,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:41,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:58:41,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:41,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:41,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:41,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:58:41,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:58:41,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:58:41,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:41,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:58:41,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:58:41,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:58:41,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:41,197 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-12 20:58:41,197 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [732140824] [2020-10-12 20:58:41,198 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:58:41,198 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:58:41,198 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558781893] [2020-10-12 20:58:41,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:58:41,199 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:58:41,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:58:41,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:58:41,199 INFO L87 Difference]: Start difference. First operand 446 states and 629 transitions. Second operand 3 states. [2020-10-12 20:58:41,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:58:41,396 INFO L93 Difference]: Finished difference Result 1042 states and 1522 transitions. [2020-10-12 20:58:41,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:58:41,397 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2020-10-12 20:58:41,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:58:41,401 INFO L225 Difference]: With dead ends: 1042 [2020-10-12 20:58:41,401 INFO L226 Difference]: Without dead ends: 611 [2020-10-12 20:58:41,402 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 [2020-10-12 20:58:41,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2020-10-12 20:58:41,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 569. [2020-10-12 20:58:41,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 569 states. [2020-10-12 20:58:41,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 788 transitions. [2020-10-12 20:58:41,422 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 788 transitions. Word has length 73 [2020-10-12 20:58:41,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:58:41,423 INFO L479 AbstractCegarLoop]: Abstraction has 569 states and 788 transitions. [2020-10-12 20:58:41,423 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:58:41,423 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 788 transitions. [2020-10-12 20:58:41,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-12 20:58:41,426 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:58:41,426 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] [2020-10-12 20:58:41,427 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 20:58:41,427 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:58:41,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:58:41,427 INFO L82 PathProgramCache]: Analyzing trace with hash -1476060097, now seen corresponding path program 1 times [2020-10-12 20:58:41,428 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:58:41,428 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [954395104] [2020-10-12 20:58:41,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:58:41,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:41,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:41,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:41,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:41,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:41,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-12 20:58:41,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 20:58:41,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 175 [2020-10-12 20:58:41,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:41,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:58:41,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-10-12 20:58:41,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 20:58:41,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:41,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:58:41,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:41,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:41,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:41,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:58:41,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:58:41,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:58:41,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:41,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:58:41,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:58:41,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:58:41,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:41,709 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-10-12 20:58:41,710 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [954395104] [2020-10-12 20:58:41,711 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:58:41,712 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:58:41,713 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785170056] [2020-10-12 20:58:41,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:58:41,714 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:58:41,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:58:41,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:58:41,714 INFO L87 Difference]: Start difference. First operand 569 states and 788 transitions. Second operand 3 states. [2020-10-12 20:58:41,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:58:41,901 INFO L93 Difference]: Finished difference Result 1282 states and 1831 transitions. [2020-10-12 20:58:41,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:58:41,903 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 89 [2020-10-12 20:58:41,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:58:41,909 INFO L225 Difference]: With dead ends: 1282 [2020-10-12 20:58:41,911 INFO L226 Difference]: Without dead ends: 728 [2020-10-12 20:58:41,912 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 [2020-10-12 20:58:41,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2020-10-12 20:58:41,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 632. [2020-10-12 20:58:41,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 632 states. [2020-10-12 20:58:41,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 893 transitions. [2020-10-12 20:58:41,931 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 893 transitions. Word has length 89 [2020-10-12 20:58:41,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:58:41,933 INFO L479 AbstractCegarLoop]: Abstraction has 632 states and 893 transitions. [2020-10-12 20:58:41,934 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:58:41,934 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 893 transitions. [2020-10-12 20:58:41,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-12 20:58:41,939 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:58:41,939 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] [2020-10-12 20:58:41,940 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 20:58:41,940 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:58:41,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:58:41,940 INFO L82 PathProgramCache]: Analyzing trace with hash 452791927, now seen corresponding path program 1 times [2020-10-12 20:58:41,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:58:41,941 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1889648908] [2020-10-12 20:58:41,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:58:41,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:41,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:42,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:42,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:42,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 20:58:42,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 20:58:42,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-12 20:58:42,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:42,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:58:42,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-12 20:58:42,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-12 20:58:42,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:42,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:58:42,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:42,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:42,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:42,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:58:42,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:58:42,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:58:42,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:42,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:58:42,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:58:42,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:58:42,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:58:42,162 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-12 20:58:42,163 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1889648908] [2020-10-12 20:58:42,163 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:58:42,163 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:58:42,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972824809] [2020-10-12 20:58:42,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:58:42,166 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:58:42,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:58:42,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:58:42,166 INFO L87 Difference]: Start difference. First operand 632 states and 893 transitions. Second operand 3 states. [2020-10-12 20:58:42,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:58:42,217 INFO L93 Difference]: Finished difference Result 1249 states and 1772 transitions. [2020-10-12 20:58:42,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:58:42,218 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2020-10-12 20:58:42,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:58:42,222 INFO L225 Difference]: With dead ends: 1249 [2020-10-12 20:58:42,223 INFO L226 Difference]: Without dead ends: 837 [2020-10-12 20:58:42,224 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 [2020-10-12 20:58:42,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2020-10-12 20:58:42,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 837. [2020-10-12 20:58:42,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 837 states. [2020-10-12 20:58:42,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 1184 transitions. [2020-10-12 20:58:42,246 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 1184 transitions. Word has length 109 [2020-10-12 20:58:42,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:58:42,247 INFO L479 AbstractCegarLoop]: Abstraction has 837 states and 1184 transitions. [2020-10-12 20:58:42,247 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:58:42,247 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1184 transitions. [2020-10-12 20:58:42,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-12 20:58:42,249 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:58:42,249 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] [2020-10-12 20:58:42,250 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 20:58:42,250 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:58:42,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:58:42,250 INFO L82 PathProgramCache]: Analyzing trace with hash 1076525473, now seen corresponding path program 1 times [2020-10-12 20:58:42,251 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:58:42,251 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [314431045] [2020-10-12 20:58:42,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:58:42,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:42,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:42,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:42,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-12 20:58:42,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:58:42,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-12 20:58:42,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:42,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:58:42,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-12 20:58:42,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 20:58:42,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:58:42,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:58:42,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:42,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:42,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:42,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:58:42,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:58:42,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 20:58:42,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:42,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:58:42,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:58:42,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:58:42,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:58:42,401 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-10-12 20:58:42,402 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [314431045] [2020-10-12 20:58:42,402 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:58:42,402 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:58:42,402 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437130511] [2020-10-12 20:58:42,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:58:42,403 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:58:42,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:58:42,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:58:42,404 INFO L87 Difference]: Start difference. First operand 837 states and 1184 transitions. Second operand 3 states. [2020-10-12 20:58:42,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:58:42,461 INFO L93 Difference]: Finished difference Result 1044 states and 1479 transitions. [2020-10-12 20:58:42,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:58:42,462 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2020-10-12 20:58:42,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:58:42,468 INFO L225 Difference]: With dead ends: 1044 [2020-10-12 20:58:42,468 INFO L226 Difference]: Without dead ends: 1042 [2020-10-12 20:58:42,469 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 [2020-10-12 20:58:42,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2020-10-12 20:58:42,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 1042. [2020-10-12 20:58:42,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1042 states. [2020-10-12 20:58:42,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 1042 states and 1477 transitions. [2020-10-12 20:58:42,501 INFO L78 Accepts]: Start accepts. Automaton has 1042 states and 1477 transitions. Word has length 111 [2020-10-12 20:58:42,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:58:42,502 INFO L479 AbstractCegarLoop]: Abstraction has 1042 states and 1477 transitions. [2020-10-12 20:58:42,502 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:58:42,502 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 1477 transitions. [2020-10-12 20:58:42,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-12 20:58:42,506 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:58:42,506 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:58:42,507 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 20:58:42,507 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:58:42,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:58:42,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1947265530, now seen corresponding path program 1 times [2020-10-12 20:58:42,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:58:42,508 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [10944850] [2020-10-12 20:58:42,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:58:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:42,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:42,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:42,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:42,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:42,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-12 20:58:42,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 20:58:42,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 296 [2020-10-12 20:58:42,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:42,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:58:42,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-12 20:58:42,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 20:58:42,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:42,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:58:42,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:42,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:42,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:42,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:58:42,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:58:42,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 20:58:42,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:42,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:58:42,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:58:42,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:58:42,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:42,874 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-10-12 20:58:42,874 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [10944850] [2020-10-12 20:58:42,875 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:58:42,875 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:58:42,875 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620420709] [2020-10-12 20:58:42,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:58:42,876 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:58:42,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:58:42,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:58:42,876 INFO L87 Difference]: Start difference. First operand 1042 states and 1477 transitions. Second operand 3 states. [2020-10-12 20:58:43,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:58:43,067 INFO L93 Difference]: Finished difference Result 2319 states and 3375 transitions. [2020-10-12 20:58:43,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:58:43,068 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2020-10-12 20:58:43,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:58:43,074 INFO L225 Difference]: With dead ends: 2319 [2020-10-12 20:58:43,074 INFO L226 Difference]: Without dead ends: 1287 [2020-10-12 20:58:43,076 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 [2020-10-12 20:58:43,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1287 states. [2020-10-12 20:58:43,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1287 to 1232. [2020-10-12 20:58:43,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1232 states. [2020-10-12 20:58:43,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 1232 states and 1767 transitions. [2020-10-12 20:58:43,109 INFO L78 Accepts]: Start accepts. Automaton has 1232 states and 1767 transitions. Word has length 136 [2020-10-12 20:58:43,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:58:43,109 INFO L479 AbstractCegarLoop]: Abstraction has 1232 states and 1767 transitions. [2020-10-12 20:58:43,110 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:58:43,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 1767 transitions. [2020-10-12 20:58:43,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-10-12 20:58:43,114 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:58:43,114 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 8, 8, 8, 8, 8, 7, 7, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:58:43,114 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 20:58:43,114 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:58:43,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:58:43,115 INFO L82 PathProgramCache]: Analyzing trace with hash 631159488, now seen corresponding path program 1 times [2020-10-12 20:58:43,115 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:58:43,115 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1838357886] [2020-10-12 20:58:43,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:58:43,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:43,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:43,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:43,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:43,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:43,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:43,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:44,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:44,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-12 20:58:44,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 20:58:44,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1330 [2020-10-12 20:58:44,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:44,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:58:44,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-12 20:58:44,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-12 20:58:44,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:44,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:58:44,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:44,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:44,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:44,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:58:44,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:58:44,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 20:58:44,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:44,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:58:44,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:58:44,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:58:44,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:44,529 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 308 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2020-10-12 20:58:44,530 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1838357886] [2020-10-12 20:58:44,530 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:58:44,530 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:58:44,530 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593149632] [2020-10-12 20:58:44,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:58:44,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:58:44,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:58:44,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:58:44,532 INFO L87 Difference]: Start difference. First operand 1232 states and 1767 transitions. Second operand 3 states. [2020-10-12 20:58:44,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:58:44,724 INFO L93 Difference]: Finished difference Result 2716 states and 3972 transitions. [2020-10-12 20:58:44,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:58:44,724 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2020-10-12 20:58:44,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:58:44,732 INFO L225 Difference]: With dead ends: 2716 [2020-10-12 20:58:44,732 INFO L226 Difference]: Without dead ends: 1499 [2020-10-12 20:58:44,734 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 [2020-10-12 20:58:44,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1499 states. [2020-10-12 20:58:44,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1499 to 1347. [2020-10-12 20:58:44,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1347 states. [2020-10-12 20:58:44,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 1347 states and 1962 transitions. [2020-10-12 20:58:44,770 INFO L78 Accepts]: Start accepts. Automaton has 1347 states and 1962 transitions. Word has length 185 [2020-10-12 20:58:44,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:58:44,771 INFO L479 AbstractCegarLoop]: Abstraction has 1347 states and 1962 transitions. [2020-10-12 20:58:44,771 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:58:44,771 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 1962 transitions. [2020-10-12 20:58:44,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-12 20:58:44,775 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:58:44,776 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 8, 8, 8, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:58:44,776 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 20:58:44,776 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:58:44,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:58:44,777 INFO L82 PathProgramCache]: Analyzing trace with hash -807147418, now seen corresponding path program 1 times [2020-10-12 20:58:44,777 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:58:44,777 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [709164247] [2020-10-12 20:58:44,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:58:44,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:44,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:44,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:44,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:44,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:45,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:45,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:45,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:47,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:47,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-10-12 20:58:47,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 20:58:47,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2377 [2020-10-12 20:58:47,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:47,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:58:47,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-12 20:58:47,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-12 20:58:47,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:47,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:58:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:47,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:47,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:47,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:58:47,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:58:47,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:58:47,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:47,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:58:47,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:58:47,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:58:47,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:58:47,304 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 329 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-10-12 20:58:47,305 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [709164247] [2020-10-12 20:58:47,305 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:58:47,305 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:58:47,305 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654399678] [2020-10-12 20:58:47,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:58:47,306 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:58:47,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:58:47,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:58:47,307 INFO L87 Difference]: Start difference. First operand 1347 states and 1962 transitions. Second operand 3 states. [2020-10-12 20:58:47,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:58:47,363 INFO L93 Difference]: Finished difference Result 3471 states and 5059 transitions. [2020-10-12 20:58:47,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:58:47,363 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 204 [2020-10-12 20:58:47,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:58:47,375 INFO L225 Difference]: With dead ends: 3471 [2020-10-12 20:58:47,376 INFO L226 Difference]: Without dead ends: 2139 [2020-10-12 20:58:47,379 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 [2020-10-12 20:58:47,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2139 states. [2020-10-12 20:58:47,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2139 to 2139. [2020-10-12 20:58:47,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2139 states. [2020-10-12 20:58:47,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2139 states to 2139 states and 3111 transitions. [2020-10-12 20:58:47,441 INFO L78 Accepts]: Start accepts. Automaton has 2139 states and 3111 transitions. Word has length 204 [2020-10-12 20:58:47,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:58:47,441 INFO L479 AbstractCegarLoop]: Abstraction has 2139 states and 3111 transitions. [2020-10-12 20:58:47,441 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:58:47,441 INFO L276 IsEmpty]: Start isEmpty. Operand 2139 states and 3111 transitions. [2020-10-12 20:58:47,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-10-12 20:58:47,448 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:58:47,448 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 8, 8, 8, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:58:47,448 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 20:58:47,448 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:58:47,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:58:47,449 INFO L82 PathProgramCache]: Analyzing trace with hash -789848562, now seen corresponding path program 1 times [2020-10-12 20:58:47,449 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:58:47,449 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1713202280] [2020-10-12 20:58:47,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:58:47,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:47,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:47,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:47,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:47,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:47,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:47,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:48,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:48,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 214 [2020-10-12 20:58:48,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 20:58:48,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1208 [2020-10-12 20:58:48,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:48,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:58:48,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-10-12 20:58:48,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-12 20:58:48,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:48,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:58:48,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:48,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:48,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:48,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:58:48,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:58:48,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 20:58:48,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:48,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:58:48,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:58:48,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:58:48,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:48,753 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 331 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-10-12 20:58:48,754 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1713202280] [2020-10-12 20:58:48,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:58:48,754 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:58:48,754 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809863432] [2020-10-12 20:58:48,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:58:48,755 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:58:48,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:58:48,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:58:48,756 INFO L87 Difference]: Start difference. First operand 2139 states and 3111 transitions. Second operand 3 states. [2020-10-12 20:58:48,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:58:48,832 INFO L93 Difference]: Finished difference Result 3471 states and 5053 transitions. [2020-10-12 20:58:48,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:58:48,832 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 206 [2020-10-12 20:58:48,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:58:48,843 INFO L225 Difference]: With dead ends: 3471 [2020-10-12 20:58:48,843 INFO L226 Difference]: Without dead ends: 2405 [2020-10-12 20:58:48,848 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 [2020-10-12 20:58:48,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2405 states. [2020-10-12 20:58:48,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2405 to 2405. [2020-10-12 20:58:48,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2405 states. [2020-10-12 20:58:48,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2405 states to 2405 states and 3499 transitions. [2020-10-12 20:58:48,936 INFO L78 Accepts]: Start accepts. Automaton has 2405 states and 3499 transitions. Word has length 206 [2020-10-12 20:58:48,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:58:48,936 INFO L479 AbstractCegarLoop]: Abstraction has 2405 states and 3499 transitions. [2020-10-12 20:58:48,936 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:58:48,936 INFO L276 IsEmpty]: Start isEmpty. Operand 2405 states and 3499 transitions. [2020-10-12 20:58:48,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-10-12 20:58:48,944 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:58:48,944 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:58:48,944 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 20:58:48,944 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:58:48,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:58:48,945 INFO L82 PathProgramCache]: Analyzing trace with hash -1417467173, now seen corresponding path program 1 times [2020-10-12 20:58:48,945 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:58:48,945 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [577367260] [2020-10-12 20:58:48,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:58:48,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:48,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:49,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:49,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:49,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:49,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-12 20:58:49,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 20:58:49,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 349 [2020-10-12 20:58:49,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:49,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:58:49,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 156 [2020-10-12 20:58:49,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 20:58:49,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:58:49,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:58:49,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:49,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:49,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:49,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:58:49,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:58:49,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:58:49,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:49,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:58:49,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:58:49,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:58:49,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:58:49,546 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2020-10-12 20:58:49,547 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [577367260] [2020-10-12 20:58:49,547 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:58:49,547 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:58:49,547 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951962701] [2020-10-12 20:58:49,547 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:58:49,548 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:58:49,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:58:49,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:58:49,548 INFO L87 Difference]: Start difference. First operand 2405 states and 3499 transitions. Second operand 3 states. [2020-10-12 20:58:49,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:58:49,853 INFO L93 Difference]: Finished difference Result 5272 states and 7591 transitions. [2020-10-12 20:58:49,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:58:49,854 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 208 [2020-10-12 20:58:49,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:58:49,873 INFO L225 Difference]: With dead ends: 5272 [2020-10-12 20:58:49,874 INFO L226 Difference]: Without dead ends: 2882 [2020-10-12 20:58:49,889 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 [2020-10-12 20:58:49,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2882 states. [2020-10-12 20:58:49,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2882 to 2576. [2020-10-12 20:58:49,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2576 states. [2020-10-12 20:58:50,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2576 states to 2576 states and 3742 transitions. [2020-10-12 20:58:50,009 INFO L78 Accepts]: Start accepts. Automaton has 2576 states and 3742 transitions. Word has length 208 [2020-10-12 20:58:50,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:58:50,010 INFO L479 AbstractCegarLoop]: Abstraction has 2576 states and 3742 transitions. [2020-10-12 20:58:50,010 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:58:50,010 INFO L276 IsEmpty]: Start isEmpty. Operand 2576 states and 3742 transitions. [2020-10-12 20:58:50,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-10-12 20:58:50,020 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:58:50,021 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:58:50,021 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 20:58:50,022 INFO L427 AbstractCegarLoop]: === Iteration 14 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:58:50,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:58:50,022 INFO L82 PathProgramCache]: Analyzing trace with hash -290940215, now seen corresponding path program 1 times [2020-10-12 20:58:50,023 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:58:50,024 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1116967021] [2020-10-12 20:58:50,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:58:50,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:50,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:50,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:50,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:50,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:50,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-12 20:58:50,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 20:58:50,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 465 [2020-10-12 20:58:50,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:50,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:58:50,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 142 [2020-10-12 20:58:50,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 20:58:50,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:58:50,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:58:50,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:50,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:50,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:50,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:58:50,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:58:50,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:58:50,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:50,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:58:50,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:58:50,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:58:50,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:58:50,635 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 237 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2020-10-12 20:58:50,636 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1116967021] [2020-10-12 20:58:50,636 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:58:50,636 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:58:50,637 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526673298] [2020-10-12 20:58:50,637 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:58:50,637 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:58:50,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:58:50,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:58:50,638 INFO L87 Difference]: Start difference. First operand 2576 states and 3742 transitions. Second operand 3 states. [2020-10-12 20:58:50,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:58:50,871 INFO L93 Difference]: Finished difference Result 5974 states and 8833 transitions. [2020-10-12 20:58:50,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:58:50,872 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 209 [2020-10-12 20:58:50,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:58:50,888 INFO L225 Difference]: With dead ends: 5974 [2020-10-12 20:58:50,888 INFO L226 Difference]: Without dead ends: 3296 [2020-10-12 20:58:50,894 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 [2020-10-12 20:58:50,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3296 states. [2020-10-12 20:58:50,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3296 to 3071. [2020-10-12 20:58:50,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3071 states. [2020-10-12 20:58:50,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3071 states to 3071 states and 4462 transitions. [2020-10-12 20:58:50,995 INFO L78 Accepts]: Start accepts. Automaton has 3071 states and 4462 transitions. Word has length 209 [2020-10-12 20:58:50,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:58:50,995 INFO L479 AbstractCegarLoop]: Abstraction has 3071 states and 4462 transitions. [2020-10-12 20:58:50,996 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:58:50,996 INFO L276 IsEmpty]: Start isEmpty. Operand 3071 states and 4462 transitions. [2020-10-12 20:58:51,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-10-12 20:58:51,005 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:58:51,005 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:58:51,005 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-12 20:58:51,006 INFO L427 AbstractCegarLoop]: === Iteration 15 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:58:51,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:58:51,006 INFO L82 PathProgramCache]: Analyzing trace with hash 1443164235, now seen corresponding path program 1 times [2020-10-12 20:58:51,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:58:51,006 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1305234646] [2020-10-12 20:58:51,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:58:51,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:51,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:51,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:51,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:51,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:51,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-12 20:58:51,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 20:58:51,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 327 [2020-10-12 20:58:51,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:51,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:58:51,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 142 [2020-10-12 20:58:51,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 20:58:51,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:51,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:58:51,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:51,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:51,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:51,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:58:51,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:58:51,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 20:58:51,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:51,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:58:51,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:58:51,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:58:51,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:51,420 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 237 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2020-10-12 20:58:51,421 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1305234646] [2020-10-12 20:58:51,421 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:58:51,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:58:51,422 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530486112] [2020-10-12 20:58:51,423 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:58:51,423 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:58:51,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:58:51,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:58:51,424 INFO L87 Difference]: Start difference. First operand 3071 states and 4462 transitions. Second operand 3 states. [2020-10-12 20:58:51,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:58:51,659 INFO L93 Difference]: Finished difference Result 6604 states and 9598 transitions. [2020-10-12 20:58:51,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:58:51,660 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 209 [2020-10-12 20:58:51,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:58:51,677 INFO L225 Difference]: With dead ends: 6604 [2020-10-12 20:58:51,678 INFO L226 Difference]: Without dead ends: 3467 [2020-10-12 20:58:51,688 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 [2020-10-12 20:58:51,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3467 states. [2020-10-12 20:58:51,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3467 to 3350. [2020-10-12 20:58:51,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3350 states. [2020-10-12 20:58:51,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3350 states to 3350 states and 4822 transitions. [2020-10-12 20:58:51,791 INFO L78 Accepts]: Start accepts. Automaton has 3350 states and 4822 transitions. Word has length 209 [2020-10-12 20:58:51,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:58:51,792 INFO L479 AbstractCegarLoop]: Abstraction has 3350 states and 4822 transitions. [2020-10-12 20:58:51,792 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:58:51,792 INFO L276 IsEmpty]: Start isEmpty. Operand 3350 states and 4822 transitions. [2020-10-12 20:58:51,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-10-12 20:58:51,809 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:58:51,809 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:58:51,810 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-12 20:58:51,810 INFO L427 AbstractCegarLoop]: === Iteration 16 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:58:51,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:58:51,810 INFO L82 PathProgramCache]: Analyzing trace with hash 299773769, now seen corresponding path program 1 times [2020-10-12 20:58:51,810 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:58:51,811 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1568346605] [2020-10-12 20:58:51,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:58:51,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:51,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:51,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:51,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:52,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:52,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:52,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-10-12 20:58:52,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 20:58:52,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 601 [2020-10-12 20:58:52,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:52,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:58:52,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 142 [2020-10-12 20:58:52,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 20:58:52,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:52,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:58:52,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:52,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:52,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:52,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:58:52,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:58:52,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 20:58:52,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:52,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:58:52,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:58:52,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:58:52,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:58:52,616 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 369 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2020-10-12 20:58:52,616 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1568346605] [2020-10-12 20:58:52,616 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:58:52,617 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:58:52,617 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552359322] [2020-10-12 20:58:52,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:58:52,618 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:58:52,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:58:52,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:58:52,620 INFO L87 Difference]: Start difference. First operand 3350 states and 4822 transitions. Second operand 3 states. [2020-10-12 20:58:52,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:58:52,728 INFO L93 Difference]: Finished difference Result 10011 states and 14419 transitions. [2020-10-12 20:58:52,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:58:52,729 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 239 [2020-10-12 20:58:52,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:58:52,774 INFO L225 Difference]: With dead ends: 10011 [2020-10-12 20:58:52,775 INFO L226 Difference]: Without dead ends: 6676 [2020-10-12 20:58:52,782 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 [2020-10-12 20:58:52,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6676 states. [2020-10-12 20:58:52,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6676 to 6674. [2020-10-12 20:58:52,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6674 states. [2020-10-12 20:58:52,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6674 states to 6674 states and 9606 transitions. [2020-10-12 20:58:52,965 INFO L78 Accepts]: Start accepts. Automaton has 6674 states and 9606 transitions. Word has length 239 [2020-10-12 20:58:52,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:58:52,966 INFO L479 AbstractCegarLoop]: Abstraction has 6674 states and 9606 transitions. [2020-10-12 20:58:52,966 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:58:52,966 INFO L276 IsEmpty]: Start isEmpty. Operand 6674 states and 9606 transitions. [2020-10-12 20:58:52,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-10-12 20:58:52,983 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:58:52,983 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:58:52,983 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-12 20:58:52,983 INFO L427 AbstractCegarLoop]: === Iteration 17 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:58:52,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:58:52,984 INFO L82 PathProgramCache]: Analyzing trace with hash 2033878219, now seen corresponding path program 1 times [2020-10-12 20:58:52,984 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:58:52,984 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1556560821] [2020-10-12 20:58:52,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:58:53,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:53,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:53,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:53,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:53,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:53,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-10-12 20:58:53,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 20:58:53,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 318 [2020-10-12 20:58:53,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:53,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:58:53,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 186 [2020-10-12 20:58:53,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-12 20:58:53,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:53,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:58:53,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:53,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:53,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:53,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:58:53,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:58:53,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 20:58:53,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:53,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:58:53,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:58:53,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:58:53,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:53,414 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 258 proven. 0 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2020-10-12 20:58:53,414 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1556560821] [2020-10-12 20:58:53,414 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:58:53,414 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:58:53,415 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92695311] [2020-10-12 20:58:53,415 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:58:53,416 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:58:53,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:58:53,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:58:53,417 INFO L87 Difference]: Start difference. First operand 6674 states and 9606 transitions. Second operand 3 states. [2020-10-12 20:58:53,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:58:53,700 INFO L93 Difference]: Finished difference Result 14233 states and 20273 transitions. [2020-10-12 20:58:53,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:58:53,700 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 239 [2020-10-12 20:58:53,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:58:53,718 INFO L225 Difference]: With dead ends: 14233 [2020-10-12 20:58:53,718 INFO L226 Difference]: Without dead ends: 7106 [2020-10-12 20:58:53,733 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 [2020-10-12 20:58:53,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7106 states. [2020-10-12 20:58:53,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7106 to 6926. [2020-10-12 20:58:53,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6926 states. [2020-10-12 20:58:53,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6926 states to 6926 states and 9732 transitions. [2020-10-12 20:58:53,906 INFO L78 Accepts]: Start accepts. Automaton has 6926 states and 9732 transitions. Word has length 239 [2020-10-12 20:58:53,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:58:53,906 INFO L479 AbstractCegarLoop]: Abstraction has 6926 states and 9732 transitions. [2020-10-12 20:58:53,907 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:58:53,907 INFO L276 IsEmpty]: Start isEmpty. Operand 6926 states and 9732 transitions. [2020-10-12 20:58:53,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2020-10-12 20:58:53,979 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:58:53,979 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 11, 11, 11, 11, 11, 9, 9, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:58:53,979 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-12 20:58:53,979 INFO L427 AbstractCegarLoop]: === Iteration 18 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:58:53,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:58:53,980 INFO L82 PathProgramCache]: Analyzing trace with hash 30819904, now seen corresponding path program 1 times [2020-10-12 20:58:53,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:58:53,980 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1985383000] [2020-10-12 20:58:53,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:58:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:54,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:54,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:54,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:54,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:54,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-10-12 20:58:54,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 20:58:54,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 289 [2020-10-12 20:58:54,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:54,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:58:54,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 199 [2020-10-12 20:58:54,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 20:58:54,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:54,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:58:54,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:54,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:54,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:54,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:58:54,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:58:54,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 20:58:54,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:54,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:58:54,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:58:54,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:58:54,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:54,376 INFO L134 CoverageAnalysis]: Checked inductivity of 835 backedges. 387 proven. 0 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2020-10-12 20:58:54,377 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1985383000] [2020-10-12 20:58:54,377 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:58:54,377 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:58:54,381 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651753577] [2020-10-12 20:58:54,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:58:54,383 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:58:54,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:58:54,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:58:54,384 INFO L87 Difference]: Start difference. First operand 6926 states and 9732 transitions. Second operand 3 states. [2020-10-12 20:58:54,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:58:54,594 INFO L93 Difference]: Finished difference Result 14215 states and 19999 transitions. [2020-10-12 20:58:54,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:58:54,594 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 252 [2020-10-12 20:58:54,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:58:54,612 INFO L225 Difference]: With dead ends: 14215 [2020-10-12 20:58:54,612 INFO L226 Difference]: Without dead ends: 7304 [2020-10-12 20:58:54,626 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 [2020-10-12 20:58:54,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7304 states. [2020-10-12 20:58:54,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7304 to 7232. [2020-10-12 20:58:54,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7232 states. [2020-10-12 20:58:54,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7232 states to 7232 states and 10128 transitions. [2020-10-12 20:58:54,790 INFO L78 Accepts]: Start accepts. Automaton has 7232 states and 10128 transitions. Word has length 252 [2020-10-12 20:58:54,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:58:54,790 INFO L479 AbstractCegarLoop]: Abstraction has 7232 states and 10128 transitions. [2020-10-12 20:58:54,790 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:58:54,790 INFO L276 IsEmpty]: Start isEmpty. Operand 7232 states and 10128 transitions. [2020-10-12 20:58:54,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2020-10-12 20:58:54,806 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:58:54,806 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:58:54,807 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-12 20:58:54,807 INFO L427 AbstractCegarLoop]: === Iteration 19 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:58:54,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:58:54,807 INFO L82 PathProgramCache]: Analyzing trace with hash 803818890, now seen corresponding path program 1 times [2020-10-12 20:58:54,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:58:54,808 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1184751784] [2020-10-12 20:58:54,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:58:54,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:54,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:54,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:54,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:55,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:55,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-10-12 20:58:55,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 20:58:55,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 367 [2020-10-12 20:58:55,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:55,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 20:58:55,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 208 [2020-10-12 20:58:55,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-12 20:58:55,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:55,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:58:55,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:55,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:55,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:55,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:58:55,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:58:55,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 20:58:55,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:55,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:58:55,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:58:55,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:58:55,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:58:55,398 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 280 proven. 18 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2020-10-12 20:58:55,398 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1184751784] [2020-10-12 20:58:55,398 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 20:58:55,398 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-12 20:58:55,399 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692178024] [2020-10-12 20:58:55,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-12 20:58:55,401 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:58:55,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-12 20:58:55,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-12 20:58:55,401 INFO L87 Difference]: Start difference. First operand 7232 states and 10128 transitions. Second operand 4 states. [2020-10-12 20:58:55,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:58:55,897 INFO L93 Difference]: Finished difference Result 21774 states and 30490 transitions. [2020-10-12 20:58:55,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 20:58:55,897 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 262 [2020-10-12 20:58:55,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:58:55,928 INFO L225 Difference]: With dead ends: 21774 [2020-10-12 20:58:55,928 INFO L226 Difference]: Without dead ends: 14557 [2020-10-12 20:58:55,945 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-12 20:58:55,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14557 states. [2020-10-12 20:58:56,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14557 to 13691. [2020-10-12 20:58:56,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13691 states. [2020-10-12 20:58:56,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13691 states to 13691 states and 18688 transitions. [2020-10-12 20:58:56,221 INFO L78 Accepts]: Start accepts. Automaton has 13691 states and 18688 transitions. Word has length 262 [2020-10-12 20:58:56,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:58:56,222 INFO L479 AbstractCegarLoop]: Abstraction has 13691 states and 18688 transitions. [2020-10-12 20:58:56,222 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-12 20:58:56,222 INFO L276 IsEmpty]: Start isEmpty. Operand 13691 states and 18688 transitions. [2020-10-12 20:58:56,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2020-10-12 20:58:56,248 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:58:56,248 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:58:56,248 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-12 20:58:56,248 INFO L427 AbstractCegarLoop]: === Iteration 20 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:58:56,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:58:56,249 INFO L82 PathProgramCache]: Analyzing trace with hash -2032925213, now seen corresponding path program 1 times [2020-10-12 20:58:56,249 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:58:56,249 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2006261646] [2020-10-12 20:58:56,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:58:56,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:56,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:56,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:56,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:56,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:56,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:56,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 271 [2020-10-12 20:58:56,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 20:58:56,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 463 [2020-10-12 20:58:56,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:56,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 20:58:56,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 208 [2020-10-12 20:58:56,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-12 20:58:56,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:56,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:58:56,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:56,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:56,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:56,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:58:56,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:58:56,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:58:56,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:56,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:58:56,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:58:56,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:58:56,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:56,914 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 280 proven. 18 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2020-10-12 20:58:56,915 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2006261646] [2020-10-12 20:58:56,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 20:58:56,915 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-12 20:58:56,915 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594422889] [2020-10-12 20:58:56,916 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-12 20:58:56,916 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:58:56,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-12 20:58:56,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-12 20:58:56,917 INFO L87 Difference]: Start difference. First operand 13691 states and 18688 transitions. Second operand 4 states. [2020-10-12 20:58:57,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:58:57,467 INFO L93 Difference]: Finished difference Result 35268 states and 47700 transitions. [2020-10-12 20:58:57,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 20:58:57,467 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 263 [2020-10-12 20:58:57,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:58:57,507 INFO L225 Difference]: With dead ends: 35268 [2020-10-12 20:58:57,507 INFO L226 Difference]: Without dead ends: 18046 [2020-10-12 20:58:57,539 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-12 20:58:57,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18046 states. [2020-10-12 20:58:57,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18046 to 6782. [2020-10-12 20:58:57,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6782 states. [2020-10-12 20:58:57,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6782 states to 6782 states and 9066 transitions. [2020-10-12 20:58:57,840 INFO L78 Accepts]: Start accepts. Automaton has 6782 states and 9066 transitions. Word has length 263 [2020-10-12 20:58:57,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:58:57,840 INFO L479 AbstractCegarLoop]: Abstraction has 6782 states and 9066 transitions. [2020-10-12 20:58:57,841 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-12 20:58:57,841 INFO L276 IsEmpty]: Start isEmpty. Operand 6782 states and 9066 transitions. [2020-10-12 20:58:57,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-10-12 20:58:57,867 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:58:57,867 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 12, 12, 12, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 20:58:57,867 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-12 20:58:57,867 INFO L427 AbstractCegarLoop]: === Iteration 21 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:58:57,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:58:57,868 INFO L82 PathProgramCache]: Analyzing trace with hash -682605564, now seen corresponding path program 1 times [2020-10-12 20:58:57,868 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:58:57,868 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1162842581] [2020-10-12 20:58:57,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:58:57,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:57,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:58,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:58,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 277 [2020-10-12 20:58:58,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:58:58,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-12 20:58:58,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:58,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:58:58,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 172 [2020-10-12 20:58:58,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 20:58:58,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:58,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:58:58,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:58,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:58,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:58,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:58:58,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:58:58,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 20:58:58,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:58,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:58:58,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:58:58,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:58:58,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:58,091 INFO L134 CoverageAnalysis]: Checked inductivity of 976 backedges. 555 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2020-10-12 20:58:58,091 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1162842581] [2020-10-12 20:58:58,091 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:58:58,091 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:58:58,092 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789416566] [2020-10-12 20:58:58,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:58:58,092 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:58:58,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:58:58,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:58:58,093 INFO L87 Difference]: Start difference. First operand 6782 states and 9066 transitions. Second operand 3 states. [2020-10-12 20:58:58,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:58:58,328 INFO L93 Difference]: Finished difference Result 14467 states and 19445 transitions. [2020-10-12 20:58:58,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:58:58,329 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 269 [2020-10-12 20:58:58,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:58:58,344 INFO L225 Difference]: With dead ends: 14467 [2020-10-12 20:58:58,345 INFO L226 Difference]: Without dead ends: 7610 [2020-10-12 20:58:58,359 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 [2020-10-12 20:58:58,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7610 states. [2020-10-12 20:58:58,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7610 to 7412. [2020-10-12 20:58:58,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7412 states. [2020-10-12 20:58:58,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7412 states to 7412 states and 9930 transitions. [2020-10-12 20:58:58,514 INFO L78 Accepts]: Start accepts. Automaton has 7412 states and 9930 transitions. Word has length 269 [2020-10-12 20:58:58,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:58:58,514 INFO L479 AbstractCegarLoop]: Abstraction has 7412 states and 9930 transitions. [2020-10-12 20:58:58,515 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:58:58,515 INFO L276 IsEmpty]: Start isEmpty. Operand 7412 states and 9930 transitions. [2020-10-12 20:58:58,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2020-10-12 20:58:58,534 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:58:58,535 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 13, 13, 13, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:58:58,535 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-12 20:58:58,535 INFO L427 AbstractCegarLoop]: === Iteration 22 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:58:58,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:58:58,536 INFO L82 PathProgramCache]: Analyzing trace with hash -1327134034, now seen corresponding path program 1 times [2020-10-12 20:58:58,536 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:58:58,537 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [972645588] [2020-10-12 20:58:58,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:58:58,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:58,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:58,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:58,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 312 [2020-10-12 20:58:58,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:58:58,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 215 [2020-10-12 20:58:58,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:58,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:58:58,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 205 [2020-10-12 20:58:58,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 20:58:58,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:58,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:58:58,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:58,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:58,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:58,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:58:58,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:58:58,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 20:58:58,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:58,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:58:58,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:58:58,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:58:58,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:58,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1170 backedges. 630 proven. 0 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2020-10-12 20:58:58,902 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [972645588] [2020-10-12 20:58:58,902 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:58:58,902 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:58:58,902 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757484131] [2020-10-12 20:58:58,903 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:58:58,903 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:58:58,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:58:58,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:58:58,904 INFO L87 Difference]: Start difference. First operand 7412 states and 9930 transitions. Second operand 3 states. [2020-10-12 20:58:59,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:58:59,115 INFO L93 Difference]: Finished difference Result 14792 states and 19824 transitions. [2020-10-12 20:58:59,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:58:59,115 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 304 [2020-10-12 20:58:59,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:58:59,131 INFO L225 Difference]: With dead ends: 14792 [2020-10-12 20:58:59,131 INFO L226 Difference]: Without dead ends: 7341 [2020-10-12 20:58:59,140 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 [2020-10-12 20:58:59,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7341 states. [2020-10-12 20:58:59,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7341 to 7341. [2020-10-12 20:58:59,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7341 states. [2020-10-12 20:58:59,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7341 states to 7341 states and 9751 transitions. [2020-10-12 20:58:59,276 INFO L78 Accepts]: Start accepts. Automaton has 7341 states and 9751 transitions. Word has length 304 [2020-10-12 20:58:59,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:58:59,276 INFO L479 AbstractCegarLoop]: Abstraction has 7341 states and 9751 transitions. [2020-10-12 20:58:59,276 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:58:59,276 INFO L276 IsEmpty]: Start isEmpty. Operand 7341 states and 9751 transitions. [2020-10-12 20:58:59,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2020-10-12 20:58:59,288 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:58:59,288 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-12 20:58:59,289 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-12 20:58:59,289 INFO L427 AbstractCegarLoop]: === Iteration 23 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:58:59,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:58:59,289 INFO L82 PathProgramCache]: Analyzing trace with hash -1803333991, now seen corresponding path program 1 times [2020-10-12 20:58:59,289 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:58:59,294 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [984920768] [2020-10-12 20:58:59,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:58:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:59,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:59,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:59,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 335 [2020-10-12 20:58:59,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:58:59,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-12 20:58:59,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:59,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:58:59,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 242 [2020-10-12 20:58:59,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 20:58:59,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:59,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:58:59,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:59,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:59,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:59,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:58:59,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:58:59,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 20:58:59,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:59,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:58:59,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:58:59,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:58:59,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:59,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1313 backedges. 664 proven. 0 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2020-10-12 20:58:59,547 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [984920768] [2020-10-12 20:58:59,549 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:58:59,549 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:58:59,549 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989013780] [2020-10-12 20:58:59,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:58:59,550 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:58:59,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:58:59,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:58:59,550 INFO L87 Difference]: Start difference. First operand 7341 states and 9751 transitions. Second operand 3 states. [2020-10-12 20:58:59,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:58:59,765 INFO L93 Difference]: Finished difference Result 14684 states and 19500 transitions. [2020-10-12 20:58:59,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:58:59,766 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 327 [2020-10-12 20:58:59,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:58:59,783 INFO L225 Difference]: With dead ends: 14684 [2020-10-12 20:58:59,783 INFO L226 Difference]: Without dead ends: 7341 [2020-10-12 20:58:59,791 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 [2020-10-12 20:58:59,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7341 states. [2020-10-12 20:59:00,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7341 to 7341. [2020-10-12 20:59:00,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7341 states. [2020-10-12 20:59:00,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7341 states to 7341 states and 9715 transitions. [2020-10-12 20:59:00,041 INFO L78 Accepts]: Start accepts. Automaton has 7341 states and 9715 transitions. Word has length 327 [2020-10-12 20:59:00,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:59:00,042 INFO L479 AbstractCegarLoop]: Abstraction has 7341 states and 9715 transitions. [2020-10-12 20:59:00,042 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:59:00,042 INFO L276 IsEmpty]: Start isEmpty. Operand 7341 states and 9715 transitions. [2020-10-12 20:59:00,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2020-10-12 20:59:00,051 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:59:00,051 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 14, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:59:00,052 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-12 20:59:00,052 INFO L427 AbstractCegarLoop]: === Iteration 24 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:59:00,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:59:00,053 INFO L82 PathProgramCache]: Analyzing trace with hash 1475833655, now seen corresponding path program 1 times [2020-10-12 20:59:00,053 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:59:00,053 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [706724442] [2020-10-12 20:59:00,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:59:00,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:00,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:00,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:00,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 349 [2020-10-12 20:59:00,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:59:00,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 171 [2020-10-12 20:59:00,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:00,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:59:00,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 242 [2020-10-12 20:59:00,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 20:59:00,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:00,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:59:00,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:00,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:00,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:00,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:59:00,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:59:00,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 20:59:00,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:00,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:59:00,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:59:00,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:59:00,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:00,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1421 backedges. 732 proven. 0 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2020-10-12 20:59:00,369 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [706724442] [2020-10-12 20:59:00,369 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:59:00,370 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:59:00,370 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733107865] [2020-10-12 20:59:00,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:59:00,371 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:59:00,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:59:00,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:59:00,371 INFO L87 Difference]: Start difference. First operand 7341 states and 9715 transitions. Second operand 3 states. [2020-10-12 20:59:00,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:59:00,557 INFO L93 Difference]: Finished difference Result 13014 states and 17021 transitions. [2020-10-12 20:59:00,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:59:00,557 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 341 [2020-10-12 20:59:00,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:59:00,558 INFO L225 Difference]: With dead ends: 13014 [2020-10-12 20:59:00,558 INFO L226 Difference]: Without dead ends: 0 [2020-10-12 20:59:00,571 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 [2020-10-12 20:59:00,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-12 20:59:00,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-12 20:59:00,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-12 20:59:00,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-12 20:59:00,572 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 341 [2020-10-12 20:59:00,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:59:00,572 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-12 20:59:00,572 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:59:00,572 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-12 20:59:00,573 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-12 20:59:00,573 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-12 20:59:00,575 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-12 20:59:00,994 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 28 [2020-10-12 20:59:01,391 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 28 [2020-10-12 20:59:01,671 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 28 [2020-10-12 20:59:02,580 WARN L193 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 696 DAG size of output: 90 [2020-10-12 20:59:02,975 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 28 [2020-10-12 20:59:03,159 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 14 [2020-10-12 20:59:03,510 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 22 [2020-10-12 20:59:04,189 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 44 [2020-10-12 20:59:04,193 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-10-12 20:59:04,193 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-12 20:59:04,194 INFO L268 CegarLoopResult]: For program point L168(lines 168 490) no Hoare annotation was computed. [2020-10-12 20:59:04,194 INFO L268 CegarLoopResult]: For program point L135(lines 135 501) no Hoare annotation was computed. [2020-10-12 20:59:04,194 INFO L268 CegarLoopResult]: For program point L102(lines 102 512) no Hoare annotation was computed. [2020-10-12 20:59:04,194 INFO L268 CegarLoopResult]: For program point L466(lines 466 468) no Hoare annotation was computed. [2020-10-12 20:59:04,194 INFO L268 CegarLoopResult]: For program point L466-2(lines 466 468) no Hoare annotation was computed. [2020-10-12 20:59:04,194 INFO L264 CegarLoopResult]: At program point L136(lines 132 502) the Hoare annotation is: (let ((.cse0 (<= 4368 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4432))) (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and (<= ssl3_connect_~blastFlag~0 4) (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256) .cse0 .cse1) (and .cse0 .cse1 (<= ssl3_connect_~blastFlag~0 2)))) [2020-10-12 20:59:04,194 INFO L271 CegarLoopResult]: At program point L533(lines 95 534) the Hoare annotation is: true [2020-10-12 20:59:04,195 INFO L268 CegarLoopResult]: For program point L269(lines 269 273) no Hoare annotation was computed. [2020-10-12 20:59:04,195 INFO L268 CegarLoopResult]: For program point L236(lines 236 239) no Hoare annotation was computed. [2020-10-12 20:59:04,195 INFO L268 CegarLoopResult]: For program point L269-2(lines 269 273) no Hoare annotation was computed. [2020-10-12 20:59:04,195 INFO L268 CegarLoopResult]: For program point L303(lines 303 306) no Hoare annotation was computed. [2020-10-12 20:59:04,195 INFO L264 CegarLoopResult]: At program point L204(lines 102 512) the Hoare annotation is: (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and (<= ssl3_connect_~s__state~0 4352) (<= ssl3_connect_~blastFlag~0 0))) [2020-10-12 20:59:04,195 INFO L268 CegarLoopResult]: For program point L171(lines 171 489) no Hoare annotation was computed. [2020-10-12 20:59:04,195 INFO L268 CegarLoopResult]: For program point L138(lines 138 500) no Hoare annotation was computed. [2020-10-12 20:59:04,195 INFO L268 CegarLoopResult]: For program point L105(lines 105 511) no Hoare annotation was computed. [2020-10-12 20:59:04,196 INFO L264 CegarLoopResult]: At program point L172(lines 168 490) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~s__state~0 4512)) (.cse1 (<= 4464 ssl3_connect_~s__state~0))) (or (and .cse0 .cse1 (<= ssl3_connect_~blastFlag~0 2)) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256) .cse0 .cse1))) [2020-10-12 20:59:04,196 INFO L268 CegarLoopResult]: For program point L471(lines 471 473) no Hoare annotation was computed. [2020-10-12 20:59:04,196 INFO L268 CegarLoopResult]: For program point L438(lines 438 449) no Hoare annotation was computed. [2020-10-12 20:59:04,196 INFO L268 CegarLoopResult]: For program point L405(lines 405 419) no Hoare annotation was computed. [2020-10-12 20:59:04,196 INFO L268 CegarLoopResult]: For program point L405-1(lines 405 419) no Hoare annotation was computed. [2020-10-12 20:59:04,196 INFO L268 CegarLoopResult]: For program point L438-2(lines 438 449) no Hoare annotation was computed. [2020-10-12 20:59:04,196 INFO L268 CegarLoopResult]: For program point L174(lines 174 488) no Hoare annotation was computed. [2020-10-12 20:59:04,197 INFO L268 CegarLoopResult]: For program point L141(lines 141 499) no Hoare annotation was computed. [2020-10-12 20:59:04,197 INFO L268 CegarLoopResult]: For program point L108(lines 108 510) no Hoare annotation was computed. [2020-10-12 20:59:04,197 INFO L268 CegarLoopResult]: For program point L538(lines 538 540) no Hoare annotation was computed. [2020-10-12 20:59:04,197 INFO L268 CegarLoopResult]: For program point L538-2(lines 538 540) no Hoare annotation was computed. [2020-10-12 20:59:04,197 INFO L264 CegarLoopResult]: At program point L142(lines 138 500) the Hoare annotation is: (let ((.cse0 (<= 4368 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4464))) (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and .cse0 (<= ssl3_connect_~blastFlag~0 2) .cse1) (and (<= ssl3_connect_~blastFlag~0 4) (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256) .cse0 .cse1))) [2020-10-12 20:59:04,197 INFO L268 CegarLoopResult]: For program point L341(lines 341 343) no Hoare annotation was computed. [2020-10-12 20:59:04,197 INFO L268 CegarLoopResult]: For program point L209(lines 209 211) no Hoare annotation was computed. [2020-10-12 20:59:04,198 INFO L268 CegarLoopResult]: For program point L209-2(lines 209 211) no Hoare annotation was computed. [2020-10-12 20:59:04,198 INFO L268 CegarLoopResult]: For program point L375(lines 375 377) no Hoare annotation was computed. [2020-10-12 20:59:04,198 INFO L268 CegarLoopResult]: For program point L177(lines 177 487) no Hoare annotation was computed. [2020-10-12 20:59:04,198 INFO L268 CegarLoopResult]: For program point L144(lines 144 498) no Hoare annotation was computed. [2020-10-12 20:59:04,198 INFO L268 CegarLoopResult]: For program point L111(lines 111 509) no Hoare annotation was computed. [2020-10-12 20:59:04,198 INFO L268 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-12 20:59:04,198 INFO L264 CegarLoopResult]: At program point L178(lines 174 488) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~s__state~0 4528)) (.cse1 (<= 4464 ssl3_connect_~s__state~0))) (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and .cse0 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256) .cse1) (and .cse0 .cse1 (<= ssl3_connect_~blastFlag~0 2)))) [2020-10-12 20:59:04,198 INFO L268 CegarLoopResult]: For program point L443(lines 443 446) no Hoare annotation was computed. [2020-10-12 20:59:04,199 INFO L268 CegarLoopResult]: For program point L311(lines 311 313) no Hoare annotation was computed. [2020-10-12 20:59:04,199 INFO L268 CegarLoopResult]: For program point L278-1(lines 278 288) no Hoare annotation was computed. [2020-10-12 20:59:04,199 INFO L264 CegarLoopResult]: At program point L312(lines 74 544) the Hoare annotation is: (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292))) [2020-10-12 20:59:04,199 INFO L268 CegarLoopResult]: For program point L180(lines 180 486) no Hoare annotation was computed. [2020-10-12 20:59:04,199 INFO L268 CegarLoopResult]: For program point L147(lines 147 497) no Hoare annotation was computed. [2020-10-12 20:59:04,199 INFO L268 CegarLoopResult]: For program point L114(lines 114 508) no Hoare annotation was computed. [2020-10-12 20:59:04,199 INFO L268 CegarLoopResult]: For program point L214(lines 214 217) no Hoare annotation was computed. [2020-10-12 20:59:04,200 INFO L264 CegarLoopResult]: At program point L148(lines 144 498) the Hoare annotation is: (let ((.cse0 (<= 4368 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4464))) (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and .cse0 (<= ssl3_connect_~blastFlag~0 2) .cse1) (and (<= ssl3_connect_~blastFlag~0 4) (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256) .cse0 .cse1))) [2020-10-12 20:59:04,200 INFO L268 CegarLoopResult]: For program point L82(lines 82 88) no Hoare annotation was computed. [2020-10-12 20:59:04,200 INFO L264 CegarLoopResult]: At program point L479(lines 96 532) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~s__state~0 3)) (.cse2 (<= ssl3_connect_~s__state~0 4528)) (.cse6 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 3)) (.cse3 (<= ssl3_connect_~s__state~0 4352)) (.cse4 (<= 4352 ssl3_connect_~s__state~0)) (.cse8 (= ssl3_connect_~s__s3__tmp__next_state___0~0 4560)) (.cse5 (<= ssl3_connect_~blastFlag~0 2)) (.cse7 (= ssl3_connect_~s__state~0 4560)) (.cse1 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256)) (.cse9 (<= 4368 ssl3_connect_~s__state~0))) (or (and .cse0 .cse1) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and .cse2 .cse1 (<= 4464 ssl3_connect_~s__state~0)) (and .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse5) (and .cse0 .cse5) (and .cse3 .cse1 .cse4 .cse8) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (and .cse2 .cse9 .cse5) (and .cse3 .cse1 .cse4 .cse6) (and .cse3 .cse4 .cse8 .cse5) (and .cse7 .cse1) (and (<= ssl3_connect_~blastFlag~0 4) .cse1 .cse9 (<= ssl3_connect_~s__state~0 4464)))) [2020-10-12 20:59:04,200 INFO L268 CegarLoopResult]: For program point L314(lines 314 316) no Hoare annotation was computed. [2020-10-12 20:59:04,200 INFO L268 CegarLoopResult]: For program point L248(lines 248 250) no Hoare annotation was computed. [2020-10-12 20:59:04,200 INFO L268 CegarLoopResult]: For program point L248-2(lines 199 478) no Hoare annotation was computed. [2020-10-12 20:59:04,201 INFO L268 CegarLoopResult]: For program point L381(lines 381 385) no Hoare annotation was computed. [2020-10-12 20:59:04,201 INFO L268 CegarLoopResult]: For program point L381-2(lines 199 478) no Hoare annotation was computed. [2020-10-12 20:59:04,201 INFO L268 CegarLoopResult]: For program point L282(lines 282 284) no Hoare annotation was computed. [2020-10-12 20:59:04,201 INFO L268 CegarLoopResult]: For program point L282-2(lines 280 288) no Hoare annotation was computed. [2020-10-12 20:59:04,201 INFO L268 CegarLoopResult]: For program point L183(lines 183 485) no Hoare annotation was computed. [2020-10-12 20:59:04,201 INFO L268 CegarLoopResult]: For program point L150(lines 150 496) no Hoare annotation was computed. [2020-10-12 20:59:04,201 INFO L268 CegarLoopResult]: For program point L117(lines 117 507) no Hoare annotation was computed. [2020-10-12 20:59:04,201 INFO L271 CegarLoopResult]: At program point ssl3_connectENTRY(lines 10 545) the Hoare annotation is: true [2020-10-12 20:59:04,201 INFO L268 CegarLoopResult]: For program point L514(lines 514 530) no Hoare annotation was computed. [2020-10-12 20:59:04,202 INFO L264 CegarLoopResult]: At program point L184(lines 180 486) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~s__state~0 4528)) (.cse1 (<= 4464 ssl3_connect_~s__state~0))) (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and .cse0 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256) .cse1) (and .cse0 .cse1 (<= ssl3_connect_~blastFlag~0 2)))) [2020-10-12 20:59:04,202 INFO L264 CegarLoopResult]: At program point L118(lines 114 508) the Hoare annotation is: (let ((.cse0 (<= 4368 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4400))) (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and (<= ssl3_connect_~blastFlag~0 4) (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256) .cse0 .cse1) (and .cse0 (<= ssl3_connect_~blastFlag~0 2) .cse1))) [2020-10-12 20:59:04,202 INFO L268 CegarLoopResult]: For program point L85(lines 85 87) no Hoare annotation was computed. [2020-10-12 20:59:04,202 INFO L268 CegarLoopResult]: For program point L85-2(lines 82 88) no Hoare annotation was computed. [2020-10-12 20:59:04,202 INFO L268 CegarLoopResult]: For program point L515(lines 515 529) no Hoare annotation was computed. [2020-10-12 20:59:04,202 INFO L268 CegarLoopResult]: For program point L350(lines 350 352) no Hoare annotation was computed. [2020-10-12 20:59:04,202 INFO L268 CegarLoopResult]: For program point L516(lines 516 521) no Hoare annotation was computed. [2020-10-12 20:59:04,203 INFO L268 CegarLoopResult]: For program point L516-2(lines 515 529) no Hoare annotation was computed. [2020-10-12 20:59:04,203 INFO L268 CegarLoopResult]: For program point L186(lines 186 484) no Hoare annotation was computed. [2020-10-12 20:59:04,203 INFO L268 CegarLoopResult]: For program point L153(lines 153 495) no Hoare annotation was computed. [2020-10-12 20:59:04,203 INFO L268 CegarLoopResult]: For program point L120(lines 120 506) no Hoare annotation was computed. [2020-10-12 20:59:04,203 INFO L268 CegarLoopResult]: For program point L220(lines 220 231) no Hoare annotation was computed. [2020-10-12 20:59:04,203 INFO L268 CegarLoopResult]: For program point L220-2(lines 199 478) no Hoare annotation was computed. [2020-10-12 20:59:04,203 INFO L268 CegarLoopResult]: For program point L518(lines 518 520) no Hoare annotation was computed. [2020-10-12 20:59:04,203 INFO L268 CegarLoopResult]: For program point L354(lines 354 359) no Hoare annotation was computed. [2020-10-12 20:59:04,203 INFO L268 CegarLoopResult]: For program point L354-2(lines 354 359) no Hoare annotation was computed. [2020-10-12 20:59:04,204 INFO L268 CegarLoopResult]: For program point L222(lines 222 225) no Hoare annotation was computed. [2020-10-12 20:59:04,204 INFO L268 CegarLoopResult]: For program point L189(lines 189 483) no Hoare annotation was computed. [2020-10-12 20:59:04,204 INFO L268 CegarLoopResult]: For program point L156(lines 156 494) no Hoare annotation was computed. [2020-10-12 20:59:04,204 INFO L268 CegarLoopResult]: For program point L123(lines 123 505) no Hoare annotation was computed. [2020-10-12 20:59:04,204 INFO L268 CegarLoopResult]: For program point L90(lines 90 94) no Hoare annotation was computed. [2020-10-12 20:59:04,204 INFO L268 CegarLoopResult]: For program point L454-1(lines 454 456) no Hoare annotation was computed. [2020-10-12 20:59:04,204 INFO L268 CegarLoopResult]: For program point L256(lines 256 258) no Hoare annotation was computed. [2020-10-12 20:59:04,204 INFO L264 CegarLoopResult]: At program point L190(lines 186 484) the Hoare annotation is: (let ((.cse0 (<= 4560 ssl3_connect_~s__state~0))) (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and .cse0 (<= ssl3_connect_~blastFlag~0 2)) (and (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256) .cse0))) [2020-10-12 20:59:04,205 INFO L264 CegarLoopResult]: At program point L124(lines 120 506) the Hoare annotation is: (let ((.cse0 (<= 4368 ssl3_connect_~s__state~0)) (.cse1 (<= ssl3_connect_~s__state~0 4400))) (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and (<= ssl3_connect_~blastFlag~0 4) (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256) .cse0 .cse1) (and .cse0 (<= ssl3_connect_~blastFlag~0 2) .cse1))) [2020-10-12 20:59:04,205 INFO L268 CegarLoopResult]: For program point L91(lines 91 93) no Hoare annotation was computed. [2020-10-12 20:59:04,205 INFO L268 CegarLoopResult]: For program point L323(lines 323 325) no Hoare annotation was computed. [2020-10-12 20:59:04,205 INFO L268 CegarLoopResult]: For program point L323-2(lines 199 478) no Hoare annotation was computed. [2020-10-12 20:59:04,205 INFO L268 CegarLoopResult]: For program point ssl3_connectEXIT(lines 10 545) no Hoare annotation was computed. [2020-10-12 20:59:04,205 INFO L268 CegarLoopResult]: For program point L390(lines 390 393) no Hoare annotation was computed. [2020-10-12 20:59:04,205 INFO L268 CegarLoopResult]: For program point L192(lines 192 482) no Hoare annotation was computed. [2020-10-12 20:59:04,205 INFO L268 CegarLoopResult]: For program point L159(lines 159 493) no Hoare annotation was computed. [2020-10-12 20:59:04,206 INFO L268 CegarLoopResult]: For program point L126(lines 126 504) no Hoare annotation was computed. [2020-10-12 20:59:04,206 INFO L268 CegarLoopResult]: For program point ssl3_connectFINAL(lines 10 545) no Hoare annotation was computed. [2020-10-12 20:59:04,206 INFO L268 CegarLoopResult]: For program point L523(lines 523 527) no Hoare annotation was computed. [2020-10-12 20:59:04,206 INFO L268 CegarLoopResult]: For program point L226(lines 226 229) no Hoare annotation was computed. [2020-10-12 20:59:04,206 INFO L264 CegarLoopResult]: At program point L193(lines 192 482) the Hoare annotation is: (let ((.cse1 (<= ssl3_connect_~s__state~0 4368)) (.cse2 (<= ssl3_connect_~s__s3__tmp__next_state___0~0 3)) (.cse3 (<= ssl3_connect_~blastFlag~0 2)) (.cse4 (<= ssl3_connect_~s__state~0 4352)) (.cse0 (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256)) (.cse5 (<= 4352 ssl3_connect_~s__state~0)) (.cse6 (= ssl3_connect_~s__s3__tmp__next_state___0~0 4560))) (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and .cse0 .cse1 .cse2) (and .cse1 .cse3 .cse2) (and .cse4 .cse5 .cse6 .cse3) (and .cse4 .cse0 .cse5 .cse6))) [2020-10-12 20:59:04,206 INFO L264 CegarLoopResult]: At program point L160(lines 150 496) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~s__state~0 4480)) (.cse1 (<= 4464 ssl3_connect_~s__state~0))) (or (and .cse0 .cse1 (<= ssl3_connect_~blastFlag~0 2)) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256) .cse0 .cse1))) [2020-10-12 20:59:04,206 INFO L268 CegarLoopResult]: For program point L425(lines 425 427) no Hoare annotation was computed. [2020-10-12 20:59:04,207 INFO L268 CegarLoopResult]: For program point L195(lines 195 481) no Hoare annotation was computed. [2020-10-12 20:59:04,207 INFO L268 CegarLoopResult]: For program point L162(lines 162 492) no Hoare annotation was computed. [2020-10-12 20:59:04,207 INFO L268 CegarLoopResult]: For program point L129(lines 129 503) no Hoare annotation was computed. [2020-10-12 20:59:04,207 INFO L268 CegarLoopResult]: For program point L96-1(lines 74 544) no Hoare annotation was computed. [2020-10-12 20:59:04,207 INFO L268 CegarLoopResult]: For program point L460(lines 460 462) no Hoare annotation was computed. [2020-10-12 20:59:04,207 INFO L268 CegarLoopResult]: For program point L460-2(lines 460 462) no Hoare annotation was computed. [2020-10-12 20:59:04,207 INFO L268 CegarLoopResult]: For program point L295(lines 295 297) no Hoare annotation was computed. [2020-10-12 20:59:04,207 INFO L268 CegarLoopResult]: For program point L295-2(lines 199 478) no Hoare annotation was computed. [2020-10-12 20:59:04,207 INFO L271 CegarLoopResult]: At program point L196(lines 195 481) the Hoare annotation is: true [2020-10-12 20:59:04,208 INFO L264 CegarLoopResult]: At program point L130(lines 126 504) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~s__state~0 4416)) (.cse1 (<= 4368 ssl3_connect_~s__state~0))) (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and (<= ssl3_connect_~blastFlag~0 4) (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256) .cse0 .cse1) (and .cse0 .cse1 (<= ssl3_connect_~blastFlag~0 2)))) [2020-10-12 20:59:04,208 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-12 20:59:04,208 INFO L268 CegarLoopResult]: For program point ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION(line 542) no Hoare annotation was computed. [2020-10-12 20:59:04,208 INFO L268 CegarLoopResult]: For program point L428(lines 428 432) no Hoare annotation was computed. [2020-10-12 20:59:04,208 INFO L268 CegarLoopResult]: For program point L428-2(lines 428 432) no Hoare annotation was computed. [2020-10-12 20:59:04,208 INFO L268 CegarLoopResult]: For program point L329(lines 329 333) no Hoare annotation was computed. [2020-10-12 20:59:04,208 INFO L268 CegarLoopResult]: For program point L263(lines 263 265) no Hoare annotation was computed. [2020-10-12 20:59:04,209 INFO L268 CegarLoopResult]: For program point L329-2(lines 329 333) no Hoare annotation was computed. [2020-10-12 20:59:04,209 INFO L268 CegarLoopResult]: For program point L263-2(lines 199 478) no Hoare annotation was computed. [2020-10-12 20:59:04,209 INFO L271 CegarLoopResult]: At program point L198(lines 197 481) the Hoare annotation is: true [2020-10-12 20:59:04,209 INFO L268 CegarLoopResult]: For program point L165(lines 165 491) no Hoare annotation was computed. [2020-10-12 20:59:04,209 INFO L268 CegarLoopResult]: For program point L132(lines 132 502) no Hoare annotation was computed. [2020-10-12 20:59:04,209 INFO L268 CegarLoopResult]: For program point L99(lines 99 513) no Hoare annotation was computed. [2020-10-12 20:59:04,209 INFO L264 CegarLoopResult]: At program point L166(lines 162 492) the Hoare annotation is: (let ((.cse0 (<= ssl3_connect_~s__state~0 4512)) (.cse1 (<= 4464 ssl3_connect_~s__state~0))) (or (and .cse0 .cse1 (<= ssl3_connect_~blastFlag~0 2)) (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and (= ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0 256) .cse0 .cse1))) [2020-10-12 20:59:04,209 INFO L264 CegarLoopResult]: At program point L100(lines 99 513) the Hoare annotation is: (or (not (<= 12292 |ssl3_connect_#in~initial_state|)) (not (<= |ssl3_connect_#in~initial_state| 12292)) (and (<= 12292 ssl3_connect_~s__state~0) (<= ssl3_connect_~s__state~0 12292) (<= ssl3_connect_~blastFlag~0 0))) [2020-10-12 20:59:04,210 INFO L268 CegarLoopResult]: For program point L398(lines 398 400) no Hoare annotation was computed. [2020-10-12 20:59:04,210 INFO L268 CegarLoopResult]: For program point L365(lines 365 367) no Hoare annotation was computed. [2020-10-12 20:59:04,210 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-12 20:59:04,210 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-12 20:59:04,210 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-12 20:59:04,210 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-12 20:59:04,210 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 546 556) the Hoare annotation is: true [2020-10-12 20:59:04,210 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 546 556) no Hoare annotation was computed. [2020-10-12 20:59:04,210 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 546 556) no Hoare annotation was computed. [2020-10-12 20:59:04,211 INFO L271 CegarLoopResult]: At program point L552(line 552) the Hoare annotation is: true [2020-10-12 20:59:04,211 INFO L268 CegarLoopResult]: For program point L552-1(line 552) no Hoare annotation was computed. [2020-10-12 20:59:04,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 08:59:04 BoogieIcfgContainer [2020-10-12 20:59:04,235 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 20:59:04,236 INFO L168 Benchmark]: Toolchain (without parser) took 27003.53 ms. Allocated memory was 145.2 MB in the beginning and 1.0 GB in the end (delta: 877.7 MB). Free memory was 101.0 MB in the beginning and 579.3 MB in the end (delta: -478.2 MB). Peak memory consumption was 949.9 MB. Max. memory is 7.1 GB. [2020-10-12 20:59:04,237 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 145.2 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-12 20:59:04,238 INFO L168 Benchmark]: CACSL2BoogieTranslator took 511.61 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 100.6 MB in the beginning and 177.7 MB in the end (delta: -77.1 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. [2020-10-12 20:59:04,238 INFO L168 Benchmark]: Boogie Preprocessor took 50.10 ms. Allocated memory is still 201.9 MB. Free memory was 177.7 MB in the beginning and 175.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2020-10-12 20:59:04,239 INFO L168 Benchmark]: RCFGBuilder took 816.92 ms. Allocated memory is still 201.9 MB. Free memory was 175.5 MB in the beginning and 128.4 MB in the end (delta: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB. [2020-10-12 20:59:04,239 INFO L168 Benchmark]: TraceAbstraction took 25617.86 ms. Allocated memory was 201.9 MB in the beginning and 1.0 GB in the end (delta: 821.0 MB). Free memory was 127.7 MB in the beginning and 579.3 MB in the end (delta: -451.6 MB). Peak memory consumption was 920.0 MB. Max. memory is 7.1 GB. [2020-10-12 20:59:04,242 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 145.2 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 511.61 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 100.6 MB in the beginning and 177.7 MB in the end (delta: -77.1 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 50.10 ms. Allocated memory is still 201.9 MB. Free memory was 177.7 MB in the beginning and 175.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 816.92 ms. Allocated memory is still 201.9 MB. Free memory was 175.5 MB in the beginning and 128.4 MB in the end (delta: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25617.86 ms. Allocated memory was 201.9 MB in the beginning and 1.0 GB in the end (delta: 821.0 MB). Free memory was 127.7 MB in the beginning and 579.3 MB in the end (delta: -451.6 MB). Peak memory consumption was 920.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 542]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: ((((!(12292 <= \old(initial_state)) || !(\old(initial_state) <= 12292)) || ((s__s3__tmp__new_cipher__algorithms == 256 && s__state <= 4368) && s__s3__tmp__next_state___0 <= 3)) || ((s__state <= 4368 && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 3)) || (((s__state <= 4352 && 4352 <= s__state) && s__s3__tmp__next_state___0 == 4560) && blastFlag <= 2)) || (((s__state <= 4352 && s__s3__tmp__new_cipher__algorithms == 256) && 4352 <= s__state) && s__s3__tmp__next_state___0 == 4560) - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: ((!(12292 <= \old(initial_state)) || !(\old(initial_state) <= 12292)) || (((blastFlag <= 4 && s__s3__tmp__new_cipher__algorithms == 256) && 4368 <= s__state) && s__state <= 4400)) || ((4368 <= s__state && blastFlag <= 2) && s__state <= 4400) - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: (!(12292 <= \old(initial_state)) || !(\old(initial_state) <= 12292)) || (s__state <= 4352 && blastFlag <= 0) - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: ((((s__state <= 4512 && 4464 <= s__state) && blastFlag <= 2) || !(12292 <= \old(initial_state))) || !(\old(initial_state) <= 12292)) || ((s__s3__tmp__new_cipher__algorithms == 256 && s__state <= 4512) && 4464 <= s__state) - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: ((((s__state <= 4480 && 4464 <= s__state) && blastFlag <= 2) || !(12292 <= \old(initial_state))) || !(\old(initial_state) <= 12292)) || ((s__s3__tmp__new_cipher__algorithms == 256 && s__state <= 4480) && 4464 <= s__state) - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (!(12292 <= \old(initial_state)) || !(\old(initial_state) <= 12292)) || ((12292 <= s__state && s__state <= 12292) && blastFlag <= 0) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: ((!(12292 <= \old(initial_state)) || !(\old(initial_state) <= 12292)) || ((4368 <= s__state && blastFlag <= 2) && s__state <= 4464)) || (((blastFlag <= 4 && s__s3__tmp__new_cipher__algorithms == 256) && 4368 <= s__state) && s__state <= 4464) - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: ((!(12292 <= \old(initial_state)) || !(\old(initial_state) <= 12292)) || (((blastFlag <= 4 && s__s3__tmp__new_cipher__algorithms == 256) && s__state <= 4416) && 4368 <= s__state)) || ((s__state <= 4416 && 4368 <= s__state) && blastFlag <= 2) - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: !(12292 <= \old(initial_state)) || !(\old(initial_state) <= 12292) - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: ((!(12292 <= \old(initial_state)) || !(\old(initial_state) <= 12292)) || ((s__state <= 4528 && s__s3__tmp__new_cipher__algorithms == 256) && 4464 <= s__state)) || ((s__state <= 4528 && 4464 <= s__state) && blastFlag <= 2) - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: ((!(12292 <= \old(initial_state)) || !(\old(initial_state) <= 12292)) || (((blastFlag <= 4 && s__s3__tmp__new_cipher__algorithms == 256) && 4368 <= s__state) && s__state <= 4400)) || ((4368 <= s__state && blastFlag <= 2) && s__state <= 4400) - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: ((((s__state <= 4512 && 4464 <= s__state) && blastFlag <= 2) || !(12292 <= \old(initial_state))) || !(\old(initial_state) <= 12292)) || ((s__s3__tmp__new_cipher__algorithms == 256 && s__state <= 4512) && 4464 <= s__state) - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: ((!(12292 <= \old(initial_state)) || !(\old(initial_state) <= 12292)) || ((4368 <= s__state && blastFlag <= 2) && s__state <= 4464)) || (((blastFlag <= 4 && s__s3__tmp__new_cipher__algorithms == 256) && 4368 <= s__state) && s__state <= 4464) - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: ((!(12292 <= \old(initial_state)) || !(\old(initial_state) <= 12292)) || (4560 <= s__state && blastFlag <= 2)) || (s__s3__tmp__new_cipher__algorithms == 256 && 4560 <= s__state) - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: ((((((((((((s__state <= 3 && s__s3__tmp__new_cipher__algorithms == 256) || !(\old(initial_state) <= 12292)) || ((s__state <= 4528 && s__s3__tmp__new_cipher__algorithms == 256) && 4464 <= s__state)) || (((s__state <= 4352 && 4352 <= s__state) && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 3)) || (s__state == 4560 && blastFlag <= 2)) || (s__state <= 3 && blastFlag <= 2)) || (((s__state <= 4352 && s__s3__tmp__new_cipher__algorithms == 256) && 4352 <= s__state) && s__s3__tmp__next_state___0 == 4560)) || !(12292 <= \old(initial_state))) || ((s__state <= 4528 && 4368 <= s__state) && blastFlag <= 2)) || (((s__state <= 4352 && s__s3__tmp__new_cipher__algorithms == 256) && 4352 <= s__state) && s__s3__tmp__next_state___0 <= 3)) || (((s__state <= 4352 && 4352 <= s__state) && s__s3__tmp__next_state___0 == 4560) && blastFlag <= 2)) || (s__state == 4560 && s__s3__tmp__new_cipher__algorithms == 256)) || (((blastFlag <= 4 && s__s3__tmp__new_cipher__algorithms == 256) && 4368 <= s__state) && s__state <= 4464) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: ((!(12292 <= \old(initial_state)) || !(\old(initial_state) <= 12292)) || (((blastFlag <= 4 && s__s3__tmp__new_cipher__algorithms == 256) && 4368 <= s__state) && s__state <= 4432)) || ((4368 <= s__state && s__state <= 4432) && blastFlag <= 2) - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: ((!(12292 <= \old(initial_state)) || !(\old(initial_state) <= 12292)) || ((s__state <= 4528 && s__s3__tmp__new_cipher__algorithms == 256) && 4464 <= s__state)) || ((s__state <= 4528 && 4464 <= s__state) && blastFlag <= 2) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 135 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.8s, OverallIterations: 24, TraceHistogramMax: 16, AutomataDifference: 5.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4401 SDtfs, 2463 SDslu, 2695 SDs, 0 SdLazy, 2261 SolverSat, 508 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 128 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13691occurred in iteration=19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.3s AutomataMinimizationTime, 24 MinimizatonAttempts, 13602 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 461 NumberOfFragments, 590 HoareAnnotationTreeSize, 26 FomulaSimplifications, 89847 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 26 FomulaSimplificationsInter, 11151 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 11.5s InterpolantComputationTime, 4435 NumberOfCodeBlocks, 4435 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 4411 ConstructedInterpolants, 0 QuantifiedInterpolants, 1247665 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 22 PerfectInterpolantSequences, 11834/11870 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 correct! Received shutdown request...