/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.5 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_3.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 14:33:28,675 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 14:33:28,679 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 14:33:28,704 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 14:33:28,705 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 14:33:28,706 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 14:33:28,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 14:33:28,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 14:33:28,711 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 14:33:28,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 14:33:28,712 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 14:33:28,714 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 14:33:28,714 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 14:33:28,715 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 14:33:28,716 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 14:33:28,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 14:33:28,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 14:33:28,719 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 14:33:28,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 14:33:28,723 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 14:33:28,724 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 14:33:28,725 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 14:33:28,727 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 14:33:28,728 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 14:33:28,730 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 14:33:28,730 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 14:33:28,731 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 14:33:28,732 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 14:33:28,732 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 14:33:28,733 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 14:33:28,733 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 14:33:28,734 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 14:33:28,735 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 14:33:28,736 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 14:33:28,737 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 14:33:28,737 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 14:33:28,738 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 14:33:28,738 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 14:33:28,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 14:33:28,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 14:33:28,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 14:33:28,741 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 14:33:28,783 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 14:33:28,784 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 14:33:28,787 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 14:33:28,787 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 14:33:28,787 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 14:33:28,787 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 14:33:28,788 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 14:33:28,788 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 14:33:28,788 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 14:33:28,788 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 14:33:28,789 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 14:33:28,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 14:33:28,789 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 14:33:28,789 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 14:33:28,789 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 14:33:28,790 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 14:33:28,791 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 14:33:28,791 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 14:33:28,791 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 14:33:28,791 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 14:33:28,792 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 14:33:28,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:33:28,792 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 14:33:28,792 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 14:33:28,793 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 14:33:28,793 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 14:33:28,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 14:33:28,794 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 14:33:28,794 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 14:33:28,794 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; [2020-09-25 14:33:29,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 14:33:29,279 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 14:33:29,284 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 14:33:29,286 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 14:33:29,286 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 14:33:29,287 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_3.cil-2.c [2020-09-25 14:33:29,374 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4298b5a76/5518869f64ab4edf8e126320aba0640c/FLAG6cba28617 [2020-09-25 14:33:29,961 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 14:33:29,962 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ssh-simplified/s3_clnt_3.cil-2.c [2020-09-25 14:33:29,983 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4298b5a76/5518869f64ab4edf8e126320aba0640c/FLAG6cba28617 [2020-09-25 14:33:30,238 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4298b5a76/5518869f64ab4edf8e126320aba0640c [2020-09-25 14:33:30,254 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 14:33:30,262 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 14:33:30,264 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 14:33:30,264 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 14:33:30,268 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 14:33:30,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:33:30" (1/1) ... [2020-09-25 14:33:30,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32b5b388 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:33:30, skipping insertion in model container [2020-09-25 14:33:30,274 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:33:30" (1/1) ... [2020-09-25 14:33:30,284 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 14:33:30,328 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 14:33:30,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:33:30,617 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 14:33:30,775 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:33:30,805 INFO L208 MainTranslator]: Completed translation [2020-09-25 14:33:30,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:33:30 WrapperNode [2020-09-25 14:33:30,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 14:33:30,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 14:33:30,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 14:33:30,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 14:33:30,823 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:33:30" (1/1) ... [2020-09-25 14:33:30,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:33:30" (1/1) ... [2020-09-25 14:33:30,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:33:30" (1/1) ... [2020-09-25 14:33:30,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:33:30" (1/1) ... [2020-09-25 14:33:30,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:33:30" (1/1) ... [2020-09-25 14:33:30,864 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:33:30" (1/1) ... [2020-09-25 14:33:30,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:33:30" (1/1) ... [2020-09-25 14:33:30,873 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 14:33:30,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 14:33:30,874 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 14:33:30,874 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 14:33:30,875 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:33:30" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:33:30,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 14:33:30,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 14:33:30,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2020-09-25 14:33:30,957 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 14:33:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 14:33:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-09-25 14:33:30,958 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 14:33:30,959 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-09-25 14:33:30,959 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-25 14:33:30,959 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2020-09-25 14:33:30,960 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 14:33:30,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 14:33:30,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 14:33:31,126 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-09-25 14:33:31,790 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-09-25 14:33:31,791 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-09-25 14:33:31,829 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 14:33:31,830 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-25 14:33:31,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:33:31 BoogieIcfgContainer [2020-09-25 14:33:31,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 14:33:31,847 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 14:33:31,847 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 14:33:31,851 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 14:33:31,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:33:30" (1/3) ... [2020-09-25 14:33:31,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4492cbf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:33:31, skipping insertion in model container [2020-09-25 14:33:31,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:33:30" (2/3) ... [2020-09-25 14:33:31,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4492cbf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:33:31, skipping insertion in model container [2020-09-25 14:33:31,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:33:31" (3/3) ... [2020-09-25 14:33:31,858 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.cil-2.c [2020-09-25 14:33:31,869 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 14:33:31,880 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 14:33:31,903 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 14:33:31,937 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 14:33:31,937 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 14:33:31,937 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 14:33:31,937 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 14:33:31,938 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 14:33:31,938 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 14:33:31,938 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 14:33:31,938 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 14:33:31,969 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states. [2020-09-25 14:33:31,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-09-25 14:33:31,990 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:33:31,991 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:33:31,992 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:33:32,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:33:32,000 INFO L82 PathProgramCache]: Analyzing trace with hash 44117518, now seen corresponding path program 1 times [2020-09-25 14:33:32,012 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:33:32,012 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2048707302] [2020-09-25 14:33:32,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:33:32,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:33:32,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:32,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:32,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:33,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:33:33,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-09-25 14:33:33,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 14:33:33,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1047 [2020-09-25 14:33:33,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:33:33,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:33:33,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:33:33,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-25 14:33:33,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-09-25 14:33:33,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 14:33:33,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:33:33,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:33:33,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:33,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:33:33,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:33:33,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:33:33,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:33:33,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:33:33,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:33:33,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:33:33,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:33:33,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:33:33,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:33:33,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:33:33,561 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2048707302] [2020-09-25 14:33:33,564 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:33:33,564 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 14:33:33,565 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367914399] [2020-09-25 14:33:33,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 14:33:33,572 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:33:33,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 14:33:33,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 14:33:33,592 INFO L87 Difference]: Start difference. First operand 414 states. Second operand 6 states. [2020-09-25 14:33:33,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:33:33,919 INFO L93 Difference]: Finished difference Result 667 states and 842 transitions. [2020-09-25 14:33:33,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 14:33:33,921 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 181 [2020-09-25 14:33:33,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:33:33,942 INFO L225 Difference]: With dead ends: 667 [2020-09-25 14:33:33,943 INFO L226 Difference]: Without dead ends: 375 [2020-09-25 14:33:33,949 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-25 14:33:33,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2020-09-25 14:33:34,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375. [2020-09-25 14:33:34,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2020-09-25 14:33:34,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 432 transitions. [2020-09-25 14:33:34,029 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 432 transitions. Word has length 181 [2020-09-25 14:33:34,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:33:34,031 INFO L479 AbstractCegarLoop]: Abstraction has 375 states and 432 transitions. [2020-09-25 14:33:34,031 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 14:33:34,031 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 432 transitions. [2020-09-25 14:33:34,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-09-25 14:33:34,036 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:33:34,036 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:33:34,037 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 14:33:34,037 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:33:34,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:33:34,037 INFO L82 PathProgramCache]: Analyzing trace with hash 1125063182, now seen corresponding path program 1 times [2020-09-25 14:33:34,038 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:33:34,038 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [842684251] [2020-09-25 14:33:34,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:33:34,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:33:34,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:34,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:34,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:34,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:33:34,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-25 14:33:34,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 14:33:34,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 605 [2020-09-25 14:33:34,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:33:34,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:33:34,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:33:34,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 155 [2020-09-25 14:33:34,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-09-25 14:33:34,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:33:34,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:33:34,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:33:34,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:34,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:33:34,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:33:34,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:33:34,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:33:34,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:33:34,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:33:34,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:33:34,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:33:34,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:33:34,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:33:34,776 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-25 14:33:34,776 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [842684251] [2020-09-25 14:33:34,777 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:33:34,777 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 14:33:34,777 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427250530] [2020-09-25 14:33:34,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 14:33:34,780 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:33:34,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 14:33:34,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 14:33:34,780 INFO L87 Difference]: Start difference. First operand 375 states and 432 transitions. Second operand 3 states. [2020-09-25 14:33:34,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:33:34,854 INFO L93 Difference]: Finished difference Result 786 states and 950 transitions. [2020-09-25 14:33:34,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 14:33:34,855 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 207 [2020-09-25 14:33:34,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:33:34,860 INFO L225 Difference]: With dead ends: 786 [2020-09-25 14:33:34,860 INFO L226 Difference]: Without dead ends: 577 [2020-09-25 14:33:34,863 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 14:33:34,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2020-09-25 14:33:34,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 577. [2020-09-25 14:33:34,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2020-09-25 14:33:34,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 683 transitions. [2020-09-25 14:33:34,898 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 683 transitions. Word has length 207 [2020-09-25 14:33:34,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:33:34,899 INFO L479 AbstractCegarLoop]: Abstraction has 577 states and 683 transitions. [2020-09-25 14:33:34,899 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 14:33:34,899 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 683 transitions. [2020-09-25 14:33:34,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-09-25 14:33:34,905 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:33:34,905 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:33:34,905 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 14:33:34,906 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:33:34,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:33:34,906 INFO L82 PathProgramCache]: Analyzing trace with hash 1130092021, now seen corresponding path program 1 times [2020-09-25 14:33:34,907 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:33:34,907 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [906263905] [2020-09-25 14:33:34,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:33:34,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:33:34,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:35,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:35,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:35,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:33:35,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 238 [2020-09-25 14:33:35,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 14:33:35,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 488 [2020-09-25 14:33:35,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:33:35,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:33:35,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:33:35,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 208 [2020-09-25 14:33:35,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-25 14:33:35,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:33:35,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:33:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:33:35,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:35,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:33:35,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:33:35,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:33:35,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:33:35,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:33:35,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:33:35,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:33:35,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:33:35,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:33:35,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 14:33:35,541 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-25 14:33:35,542 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [906263905] [2020-09-25 14:33:35,543 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:33:35,543 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 14:33:35,544 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597211411] [2020-09-25 14:33:35,545 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 14:33:35,546 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:33:35,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 14:33:35,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 14:33:35,546 INFO L87 Difference]: Start difference. First operand 577 states and 683 transitions. Second operand 3 states. [2020-09-25 14:33:35,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:33:35,616 INFO L93 Difference]: Finished difference Result 988 states and 1201 transitions. [2020-09-25 14:33:35,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 14:33:35,616 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 229 [2020-09-25 14:33:35,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:33:35,622 INFO L225 Difference]: With dead ends: 988 [2020-09-25 14:33:35,622 INFO L226 Difference]: Without dead ends: 779 [2020-09-25 14:33:35,624 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 14:33:35,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2020-09-25 14:33:35,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 779. [2020-09-25 14:33:35,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 779 states. [2020-09-25 14:33:35,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 935 transitions. [2020-09-25 14:33:35,664 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 935 transitions. Word has length 229 [2020-09-25 14:33:35,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:33:35,665 INFO L479 AbstractCegarLoop]: Abstraction has 779 states and 935 transitions. [2020-09-25 14:33:35,666 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 14:33:35,666 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 935 transitions. [2020-09-25 14:33:35,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2020-09-25 14:33:35,670 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:33:35,671 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:33:35,671 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 14:33:35,671 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:33:35,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:33:35,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1762569168, now seen corresponding path program 1 times [2020-09-25 14:33:35,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:33:35,673 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [506576521] [2020-09-25 14:33:35,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:33:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:33:35,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:35,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:36,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:33:36,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-09-25 14:33:36,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:33:36,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 491 [2020-09-25 14:33:36,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:33:36,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:33:36,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:33:36,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 234 [2020-09-25 14:33:36,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 14:33:36,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:33:36,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:33:36,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:33:36,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:36,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:33:36,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:33:36,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:33:36,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:33:36,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:33:36,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:33:36,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:33:36,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:33:36,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:33:36,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:33:36,299 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-25 14:33:36,301 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [506576521] [2020-09-25 14:33:36,301 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:33:36,304 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 14:33:36,304 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470987907] [2020-09-25 14:33:36,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 14:33:36,305 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:33:36,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 14:33:36,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 14:33:36,306 INFO L87 Difference]: Start difference. First operand 779 states and 935 transitions. Second operand 3 states. [2020-09-25 14:33:36,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:33:36,618 INFO L93 Difference]: Finished difference Result 1596 states and 2018 transitions. [2020-09-25 14:33:36,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 14:33:36,619 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 250 [2020-09-25 14:33:36,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:33:36,628 INFO L225 Difference]: With dead ends: 1596 [2020-09-25 14:33:36,628 INFO L226 Difference]: Without dead ends: 980 [2020-09-25 14:33:36,630 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 14:33:36,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2020-09-25 14:33:36,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 911. [2020-09-25 14:33:36,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 911 states. [2020-09-25 14:33:36,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 911 states and 1094 transitions. [2020-09-25 14:33:36,665 INFO L78 Accepts]: Start accepts. Automaton has 911 states and 1094 transitions. Word has length 250 [2020-09-25 14:33:36,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:33:36,665 INFO L479 AbstractCegarLoop]: Abstraction has 911 states and 1094 transitions. [2020-09-25 14:33:36,665 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 14:33:36,666 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1094 transitions. [2020-09-25 14:33:36,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2020-09-25 14:33:36,673 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:33:36,674 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:33:36,674 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 14:33:36,674 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:33:36,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:33:36,675 INFO L82 PathProgramCache]: Analyzing trace with hash -81032144, now seen corresponding path program 1 times [2020-09-25 14:33:36,675 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:33:36,676 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1844420388] [2020-09-25 14:33:36,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:33:36,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:33:36,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:36,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:37,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:37,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:33:37,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-09-25 14:33:37,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 14:33:37,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 597 [2020-09-25 14:33:37,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:33:37,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:33:37,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:33:37,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 231 [2020-09-25 14:33:37,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-25 14:33:37,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:33:37,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:33:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:33:37,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:37,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:33:37,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:33:37,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:33:37,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:33:37,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:33:37,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:33:37,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:33:37,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:33:37,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:33:37,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:33:37,454 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-25 14:33:37,454 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1844420388] [2020-09-25 14:33:37,455 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:33:37,455 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 14:33:37,455 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802219494] [2020-09-25 14:33:37,456 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 14:33:37,457 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:33:37,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 14:33:37,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 14:33:37,458 INFO L87 Difference]: Start difference. First operand 911 states and 1094 transitions. Second operand 3 states. [2020-09-25 14:33:37,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:33:37,540 INFO L93 Difference]: Finished difference Result 1656 states and 2023 transitions. [2020-09-25 14:33:37,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 14:33:37,541 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 250 [2020-09-25 14:33:37,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:33:37,550 INFO L225 Difference]: With dead ends: 1656 [2020-09-25 14:33:37,551 INFO L226 Difference]: Without dead ends: 1157 [2020-09-25 14:33:37,553 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 14:33:37,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2020-09-25 14:33:37,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1157. [2020-09-25 14:33:37,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1157 states. [2020-09-25 14:33:37,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1400 transitions. [2020-09-25 14:33:37,596 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1400 transitions. Word has length 250 [2020-09-25 14:33:37,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:33:37,597 INFO L479 AbstractCegarLoop]: Abstraction has 1157 states and 1400 transitions. [2020-09-25 14:33:37,597 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 14:33:37,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1400 transitions. [2020-09-25 14:33:37,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-09-25 14:33:37,608 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:33:37,608 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:33:37,609 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 14:33:37,609 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:33:37,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:33:37,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1173972034, now seen corresponding path program 1 times [2020-09-25 14:33:37,610 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:33:37,610 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [500724303] [2020-09-25 14:33:37,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:33:37,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:33:37,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:37,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:38,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:38,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:33:38,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 283 [2020-09-25 14:33:38,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 14:33:38,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 630 [2020-09-25 14:33:38,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:33:38,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:33:38,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:33:38,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 258 [2020-09-25 14:33:38,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 14:33:38,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:33:38,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:33:38,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:33:38,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:38,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:33:38,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:33:38,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:33:38,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:33:38,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:33:38,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:33:38,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:33:38,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:33:38,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:33:38,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:33:38,387 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-09-25 14:33:38,387 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [500724303] [2020-09-25 14:33:38,388 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:33:38,388 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 14:33:38,388 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726393996] [2020-09-25 14:33:38,389 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 14:33:38,389 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:33:38,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 14:33:38,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 14:33:38,390 INFO L87 Difference]: Start difference. First operand 1157 states and 1400 transitions. Second operand 3 states. [2020-09-25 14:33:38,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:33:38,605 INFO L93 Difference]: Finished difference Result 2445 states and 3080 transitions. [2020-09-25 14:33:38,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 14:33:38,605 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 274 [2020-09-25 14:33:38,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:33:38,613 INFO L225 Difference]: With dead ends: 2445 [2020-09-25 14:33:38,613 INFO L226 Difference]: Without dead ends: 1454 [2020-09-25 14:33:38,615 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 14:33:38,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1454 states. [2020-09-25 14:33:38,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1454 to 1333. [2020-09-25 14:33:38,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1333 states. [2020-09-25 14:33:38,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 1333 states and 1632 transitions. [2020-09-25 14:33:38,649 INFO L78 Accepts]: Start accepts. Automaton has 1333 states and 1632 transitions. Word has length 274 [2020-09-25 14:33:38,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:33:38,650 INFO L479 AbstractCegarLoop]: Abstraction has 1333 states and 1632 transitions. [2020-09-25 14:33:38,650 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 14:33:38,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1333 states and 1632 transitions. [2020-09-25 14:33:38,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2020-09-25 14:33:38,655 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:33:38,656 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:33:38,656 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 14:33:38,656 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:33:38,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:33:38,657 INFO L82 PathProgramCache]: Analyzing trace with hash -370064598, now seen corresponding path program 1 times [2020-09-25 14:33:38,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:33:38,657 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1241877552] [2020-09-25 14:33:38,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:33:38,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:33:38,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:38,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:39,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:39,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:39,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:39,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:40,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:33:40,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 290 [2020-09-25 14:33:40,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 14:33:40,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2240 [2020-09-25 14:33:40,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:33:40,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:33:40,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:33:40,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 193 [2020-09-25 14:33:40,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-25 14:33:40,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:33:41,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:33:41,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:33:41,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:41,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:33:41,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:33:41,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:33:41,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:33:41,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:33:41,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:33:41,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:33:41,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:33:41,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:33:41,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:33:41,089 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-09-25 14:33:41,090 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1241877552] [2020-09-25 14:33:41,090 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:33:41,090 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 14:33:41,091 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230159242] [2020-09-25 14:33:41,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 14:33:41,092 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:33:41,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 14:33:41,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 14:33:41,092 INFO L87 Difference]: Start difference. First operand 1333 states and 1632 transitions. Second operand 3 states. [2020-09-25 14:33:41,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:33:41,147 INFO L93 Difference]: Finished difference Result 3559 states and 4400 transitions. [2020-09-25 14:33:41,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 14:33:41,148 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 281 [2020-09-25 14:33:41,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:33:41,164 INFO L225 Difference]: With dead ends: 3559 [2020-09-25 14:33:41,164 INFO L226 Difference]: Without dead ends: 2392 [2020-09-25 14:33:41,167 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 14:33:41,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2392 states. [2020-09-25 14:33:41,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2392 to 2390. [2020-09-25 14:33:41,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2390 states. [2020-09-25 14:33:41,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2390 states to 2390 states and 2925 transitions. [2020-09-25 14:33:41,249 INFO L78 Accepts]: Start accepts. Automaton has 2390 states and 2925 transitions. Word has length 281 [2020-09-25 14:33:41,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:33:41,250 INFO L479 AbstractCegarLoop]: Abstraction has 2390 states and 2925 transitions. [2020-09-25 14:33:41,250 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 14:33:41,250 INFO L276 IsEmpty]: Start isEmpty. Operand 2390 states and 2925 transitions. [2020-09-25 14:33:41,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2020-09-25 14:33:41,258 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:33:41,258 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:33:41,259 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-25 14:33:41,259 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:33:41,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:33:41,259 INFO L82 PathProgramCache]: Analyzing trace with hash 1609128115, now seen corresponding path program 1 times [2020-09-25 14:33:41,260 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:33:41,260 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [980426883] [2020-09-25 14:33:41,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:33:41,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:33:41,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:41,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:41,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:41,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:42,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:42,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:45,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:33:45,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 293 [2020-09-25 14:33:45,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 14:33:45,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4284 [2020-09-25 14:33:45,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:33:45,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:33:45,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:33:45,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 259 [2020-09-25 14:33:45,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-25 14:33:45,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:33:45,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:33:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:33:45,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:33:45,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:33:45,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:33:45,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:33:45,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:33:45,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:33:45,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:33:45,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:33:45,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:33:45,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:33:45,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:33:45,711 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-09-25 14:33:45,712 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [980426883] [2020-09-25 14:33:45,712 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:33:45,712 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 14:33:45,713 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166333907] [2020-09-25 14:33:45,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 14:33:45,713 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:33:45,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 14:33:45,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 14:33:45,714 INFO L87 Difference]: Start difference. First operand 2390 states and 2925 transitions. Second operand 3 states. [2020-09-25 14:33:45,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:33:45,801 INFO L93 Difference]: Finished difference Result 4614 states and 5690 transitions. [2020-09-25 14:33:45,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 14:33:45,802 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 284 [2020-09-25 14:33:45,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:33:45,816 INFO L225 Difference]: With dead ends: 4614 [2020-09-25 14:33:45,816 INFO L226 Difference]: Without dead ends: 2943 [2020-09-25 14:33:45,822 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 14:33:45,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2943 states. [2020-09-25 14:33:45,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2943 to 2943. [2020-09-25 14:33:45,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2943 states. [2020-09-25 14:33:45,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2943 states to 2943 states and 3613 transitions. [2020-09-25 14:33:45,903 INFO L78 Accepts]: Start accepts. Automaton has 2943 states and 3613 transitions. Word has length 284 [2020-09-25 14:33:45,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:33:45,904 INFO L479 AbstractCegarLoop]: Abstraction has 2943 states and 3613 transitions. [2020-09-25 14:33:45,904 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 14:33:45,904 INFO L276 IsEmpty]: Start isEmpty. Operand 2943 states and 3613 transitions. [2020-09-25 14:33:45,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2020-09-25 14:33:45,913 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:33:45,914 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:33:45,914 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-25 14:33:45,914 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:33:45,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:33:45,914 INFO L82 PathProgramCache]: Analyzing trace with hash -638739787, now seen corresponding path program 1 times [2020-09-25 14:33:45,915 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:33:45,915 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [233963178] [2020-09-25 14:33:45,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:33:45,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 14:33:45,964 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 14:33:45,964 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 14:33:45,970 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-25 14:33:46,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 02:33:46 BoogieIcfgContainer [2020-09-25 14:33:46,003 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 14:33:46,007 INFO L168 Benchmark]: Toolchain (without parser) took 15750.10 ms. Allocated memory was 138.4 MB in the beginning and 502.8 MB in the end (delta: 364.4 MB). Free memory was 101.0 MB in the beginning and 211.7 MB in the end (delta: -110.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. [2020-09-25 14:33:46,008 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-25 14:33:46,009 INFO L168 Benchmark]: CACSL2BoogieTranslator took 541.82 ms. Allocated memory was 138.4 MB in the beginning and 200.3 MB in the end (delta: 61.9 MB). Free memory was 100.3 MB in the beginning and 176.1 MB in the end (delta: -75.8 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2020-09-25 14:33:46,010 INFO L168 Benchmark]: Boogie Preprocessor took 67.21 ms. Allocated memory is still 200.3 MB. Free memory was 176.1 MB in the beginning and 173.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-09-25 14:33:46,010 INFO L168 Benchmark]: RCFGBuilder took 970.74 ms. Allocated memory is still 200.3 MB. Free memory was 173.4 MB in the beginning and 104.8 MB in the end (delta: 68.6 MB). Peak memory consumption was 68.6 MB. Max. memory is 7.1 GB. [2020-09-25 14:33:46,011 INFO L168 Benchmark]: TraceAbstraction took 14156.52 ms. Allocated memory was 200.3 MB in the beginning and 502.8 MB in the end (delta: 302.5 MB). Free memory was 104.8 MB in the beginning and 211.7 MB in the end (delta: -106.9 MB). Peak memory consumption was 195.6 MB. Max. memory is 7.1 GB. [2020-09-25 14:33:46,015 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 541.82 ms. Allocated memory was 138.4 MB in the beginning and 200.3 MB in the end (delta: 61.9 MB). Free memory was 100.3 MB in the beginning and 176.1 MB in the end (delta: -75.8 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 67.21 ms. Allocated memory is still 200.3 MB. Free memory was 176.1 MB in the beginning and 173.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 970.74 ms. Allocated memory is still 200.3 MB. Free memory was 173.4 MB in the beginning and 104.8 MB in the end (delta: 68.6 MB). Peak memory consumption was 68.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14156.52 ms. Allocated memory was 200.3 MB in the beginning and 502.8 MB in the end (delta: 302.5 MB). Free memory was 104.8 MB in the beginning and 211.7 MB in the end (delta: -106.9 MB). Peak memory consumption was 195.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 573]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L578] int s ; [L582] s = 12292 [L583] CALL ssl3_connect(s) [L12] int s__info_callback = __VERIFIER_nondet_int() ; [L13] int s__in_handshake = __VERIFIER_nondet_int() ; [L14] int s__state ; [L15] int s__new_session ; [L16] int s__server ; [L17] int s__version = __VERIFIER_nondet_int() ; [L18] int s__type ; [L19] int s__init_num ; [L20] int s__bbio = __VERIFIER_nondet_int() ; [L21] int s__wbio = __VERIFIER_nondet_int() ; [L22] int s__hit = __VERIFIER_nondet_int() ; [L23] int s__rwstate ; [L24] int s__init_buf___0 = __VERIFIER_nondet_int() ; [L25] int s__debug = __VERIFIER_nondet_int() ; [L26] int s__shutdown ; [L27] int s__ctx__info_callback = __VERIFIER_nondet_int() ; [L28] int s__ctx__stats__sess_connect_renegotiate = __VERIFIER_nondet_int() ; [L29] int s__ctx__stats__sess_connect = __VERIFIER_nondet_int() ; [L30] int s__ctx__stats__sess_hit = __VERIFIER_nondet_int() ; [L31] int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_int() ; [L32] int s__s3__change_cipher_spec ; [L33] int s__s3__flags = __VERIFIER_nondet_int() ; [L34] int s__s3__delay_buf_pop_ret ; [L35] int s__s3__tmp__cert_req = __VERIFIER_nondet_int() ; [L36] int s__s3__tmp__new_compression = __VERIFIER_nondet_int() ; [L37] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int() ; [L38] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ; [L39] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int() ; [L40] int s__s3__tmp__next_state___0 ; [L41] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int() ; [L42] int s__session__cipher ; [L43] int s__session__compress_meth ; [L44] int buf ; [L45] unsigned long tmp ; [L46] unsigned long l ; [L47] int num1 = __VERIFIER_nondet_int() ; [L48] int cb ; [L49] int ret ; [L50] int new_state ; [L51] int state ; [L52] int skip ; [L53] int tmp___0 ; [L54] int tmp___1 = __VERIFIER_nondet_int() ; [L55] int tmp___2 = __VERIFIER_nondet_int() ; [L56] int tmp___3 = __VERIFIER_nondet_int() ; [L57] int tmp___4 = __VERIFIER_nondet_int() ; [L58] int tmp___5 = __VERIFIER_nondet_int() ; [L59] int tmp___6 = __VERIFIER_nondet_int() ; [L60] int tmp___7 = __VERIFIER_nondet_int() ; [L61] int tmp___8 = __VERIFIER_nondet_int() ; [L62] int tmp___9 = __VERIFIER_nondet_int() ; [L63] int blastFlag ; [L64] int __cil_tmp55 ; [L65] void *__cil_tmp56 ; [L66] unsigned long __cil_tmp57 ; [L67] unsigned long __cil_tmp58 = __VERIFIER_nondet_ulong() ; [L68] void *__cil_tmp59 ; [L69] unsigned long __cil_tmp60 ; [L70] unsigned long __cil_tmp61 ; [L71] unsigned long __cil_tmp62 ; [L72] unsigned long __cil_tmp63 ; [L73] unsigned long __cil_tmp64 ; [L74] long __cil_tmp65 = __VERIFIER_nondet_long() ; [L75] long __cil_tmp66 ; [L76] long __cil_tmp67 ; [L77] long __cil_tmp68 ; [L78] long __cil_tmp69 ; [L79] long __cil_tmp70 = __VERIFIER_nondet_long() ; [L80] long __cil_tmp71 ; [L81] long __cil_tmp72 ; [L82] long __cil_tmp73 ; [L83] long __cil_tmp74 ; [L87] s__state = initial_state [L88] blastFlag = 0 [L89] tmp = __VERIFIER_nondet_int() [L90] cb = 0 [L91] ret = -1 [L92] skip = 0 [L93] tmp___0 = 0 [L94] COND TRUE s__info_callback != 0 [L95] cb = s__info_callback [L101] s__in_handshake ++ [L102] COND FALSE !(tmp___1 + 12288) [L108] COND TRUE 1 [L110] state = s__state [L111] COND TRUE s__state == 12292 [L213] s__new_session = 1 [L214] s__state = 4096 [L215] s__ctx__stats__sess_connect_renegotiate ++ [L220] s__server = 0 [L221] COND TRUE cb != 0 [L225] __cil_tmp55 = s__version + 65280 [L226] COND FALSE !(__cil_tmp55 != 768) [L231] s__type = 4096 [L233] __cil_tmp56 = (void *)0 [L234] __cil_tmp57 = (unsigned long )__cil_tmp56 [L235] __cil_tmp58 = (unsigned long )s__init_buf___0 [L236] COND FALSE !(__cil_tmp58 == __cil_tmp57) [L254] COND FALSE !(! tmp___4) [L258] COND FALSE !(! tmp___5) [L262] s__state = 4368 [L263] s__ctx__stats__sess_connect ++ [L264] s__init_num = 0 [L545] COND FALSE !(! s__s3__tmp__reuse_message) [L562] skip = 0 [L108] COND TRUE 1 [L110] state = s__state [L111] COND FALSE !(s__state == 12292) [L114] COND FALSE !(s__state == 16384) [L117] COND FALSE !(s__state == 4096) [L120] COND FALSE !(s__state == 20480) [L123] COND FALSE !(s__state == 4099) [L126] COND TRUE s__state == 4368 [L268] s__shutdown = 0 [L269] ret = __VERIFIER_nondet_int() [L270] COND TRUE blastFlag == 0 [L271] blastFlag = 1 [L273] COND FALSE !(ret <= 0) [L276] s__state = 4384 [L277] s__init_num = 0 [L279] __cil_tmp62 = (unsigned long )s__wbio [L280] __cil_tmp63 = (unsigned long )s__bbio [L281] COND TRUE __cil_tmp63 != __cil_tmp62 [L545] COND FALSE !(! s__s3__tmp__reuse_message) [L562] skip = 0 [L108] COND TRUE 1 [L110] state = s__state [L111] COND FALSE !(s__state == 12292) [L114] COND FALSE !(s__state == 16384) [L117] COND FALSE !(s__state == 4096) [L120] COND FALSE !(s__state == 20480) [L123] COND FALSE !(s__state == 4099) [L126] COND FALSE !(s__state == 4368) [L129] COND FALSE !(s__state == 4369) [L132] COND TRUE s__state == 4384 [L288] ret = __VERIFIER_nondet_int() [L289] COND TRUE blastFlag == 1 [L290] blastFlag = 2 [L296] COND FALSE !(ret <= 0) [L299] COND FALSE !(\read(s__hit)) [L302] s__state = 4400 [L304] s__init_num = 0 [L545] COND FALSE !(! s__s3__tmp__reuse_message) [L562] skip = 0 [L108] COND TRUE 1 [L110] state = s__state [L111] COND FALSE !(s__state == 12292) [L114] COND FALSE !(s__state == 16384) [L117] COND FALSE !(s__state == 4096) [L120] COND FALSE !(s__state == 20480) [L123] COND FALSE !(s__state == 4099) [L126] COND FALSE !(s__state == 4368) [L129] COND FALSE !(s__state == 4369) [L132] COND FALSE !(s__state == 4384) [L135] COND FALSE !(s__state == 4385) [L138] COND TRUE s__state == 4400 [L309] __cil_tmp64 = (unsigned long )s__s3__tmp__new_cipher__algorithms [L310] COND FALSE !(__cil_tmp64 + 256UL) [L313] ret = __VERIFIER_nondet_int() [L314] COND TRUE blastFlag == 2 [L315] blastFlag = 3 [L317] COND FALSE !(ret <= 0) [L322] s__state = 4416 [L323] s__init_num = 0 [L545] COND FALSE !(! s__s3__tmp__reuse_message) [L562] skip = 0 [L108] COND TRUE 1 [L110] state = s__state [L111] COND FALSE !(s__state == 12292) [L114] COND FALSE !(s__state == 16384) [L117] COND FALSE !(s__state == 4096) [L120] COND FALSE !(s__state == 20480) [L123] COND FALSE !(s__state == 4099) [L126] COND FALSE !(s__state == 4368) [L129] COND FALSE !(s__state == 4369) [L132] COND FALSE !(s__state == 4384) [L135] COND FALSE !(s__state == 4385) [L138] COND FALSE !(s__state == 4400) [L141] COND FALSE !(s__state == 4401) [L144] COND TRUE s__state == 4416 [L327] ret = __VERIFIER_nondet_int() [L328] COND TRUE blastFlag == 3 [L329] blastFlag = 4 [L331] COND FALSE !(ret <= 0) [L334] s__state = 4432 [L335] s__init_num = 0 [L336] COND FALSE !(! tmp___6) [L545] COND FALSE !(! s__s3__tmp__reuse_message) [L562] skip = 0 [L108] COND TRUE 1 [L110] state = s__state [L111] COND FALSE !(s__state == 12292) [L114] COND FALSE !(s__state == 16384) [L117] COND FALSE !(s__state == 4096) [L120] COND FALSE !(s__state == 20480) [L123] COND FALSE !(s__state == 4099) [L126] COND FALSE !(s__state == 4368) [L129] COND FALSE !(s__state == 4369) [L132] COND FALSE !(s__state == 4384) [L135] COND FALSE !(s__state == 4385) [L138] COND FALSE !(s__state == 4400) [L141] COND FALSE !(s__state == 4401) [L144] COND FALSE !(s__state == 4416) [L147] COND FALSE !(s__state == 4417) [L150] COND TRUE s__state == 4432 [L343] ret = __VERIFIER_nondet_int() [L344] COND TRUE blastFlag == 4 [L573] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 414 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 14.0s, OverallIterations: 9, TraceHistogramMax: 6, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3600 SDtfs, 2200 SDslu, 3479 SDs, 0 SdLazy, 444 SolverSat, 97 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2943occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 192 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 11.0s InterpolantComputationTime, 2255 NumberOfCodeBlocks, 2255 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1948 ConstructedInterpolants, 0 QuantifiedInterpolants, 684612 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 347/347 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...