/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_1.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 20:58:44,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 20:58:44,375 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 20:58:44,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 20:58:44,413 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 20:58:44,420 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 20:58:44,422 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 20:58:44,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 20:58:44,427 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 20:58:44,430 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 20:58:44,431 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 20:58:44,431 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 20:58:44,432 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 20:58:44,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 20:58:44,436 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 20:58:44,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 20:58:44,439 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 20:58:44,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 20:58:44,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 20:58:44,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 20:58:44,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 20:58:44,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 20:58:44,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 20:58:44,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 20:58:44,464 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 20:58:44,464 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 20:58:44,465 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 20:58:44,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 20:58:44,473 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 20:58:44,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 20:58:44,474 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 20:58:44,475 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 20:58:44,475 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 20:58:44,476 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 20:58:44,477 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 20:58:44,480 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 20:58:44,481 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 20:58:44,481 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 20:58:44,481 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 20:58:44,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 20:58:44,484 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 20:58:44,485 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 20:58:44,521 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 20:58:44,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 20:58:44,523 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 20:58:44,523 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 20:58:44,524 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 20:58:44,524 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 20:58:44,524 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 20:58:44,524 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 20:58:44,524 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 20:58:44,525 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 20:58:44,526 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 20:58:44,526 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 20:58:44,526 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 20:58:44,526 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 20:58:44,527 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 20:58:44,527 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 20:58:44,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 20:58:44,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 20:58:44,528 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 20:58:44,528 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 20:58:44,529 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 20:58:44,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 20:58:44,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 20:58:44,529 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 20:58:44,529 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 20:58:44,530 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 20:58:44,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 20:58:44,530 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 20:58:44,530 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 20:58:44,530 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 20:58:44,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 20:58:44,849 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 20:58:44,852 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 20:58:44,853 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 20:58:44,854 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 20:58:44,854 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_1.cil-2.c [2020-10-12 20:58:44,912 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/20d82b8c1/1c0b7e9ac86049179d8d769df02ec1d6/FLAG118ef03b2 [2020-10-12 20:58:45,409 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 20:58:45,409 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ssh-simplified/s3_clnt_1.cil-2.c [2020-10-12 20:58:45,420 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/20d82b8c1/1c0b7e9ac86049179d8d769df02ec1d6/FLAG118ef03b2 [2020-10-12 20:58:45,808 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/20d82b8c1/1c0b7e9ac86049179d8d769df02ec1d6 [2020-10-12 20:58:45,815 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 20:58:45,817 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 20:58:45,817 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 20:58:45,818 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 20:58:45,821 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 20:58:45,822 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 08:58:45" (1/1) ... [2020-10-12 20:58:45,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e0aabd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:58:45, skipping insertion in model container [2020-10-12 20:58:45,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 08:58:45" (1/1) ... [2020-10-12 20:58:45,832 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 20:58:45,875 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 20:58:46,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 20:58:46,119 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 20:58:46,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 20:58:46,284 INFO L208 MainTranslator]: Completed translation [2020-10-12 20:58:46,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:58:46 WrapperNode [2020-10-12 20:58:46,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 20:58:46,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 20:58:46,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 20:58:46,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 20:58:46,297 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:58:46" (1/1) ... [2020-10-12 20:58:46,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:58:46" (1/1) ... [2020-10-12 20:58:46,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:58:46" (1/1) ... [2020-10-12 20:58:46,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:58:46" (1/1) ... [2020-10-12 20:58:46,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:58:46" (1/1) ... [2020-10-12 20:58:46,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:58:46" (1/1) ... [2020-10-12 20:58:46,333 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:58:46" (1/1) ... [2020-10-12 20:58:46,337 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 20:58:46,338 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 20:58:46,338 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 20:58:46,338 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 20:58:46,339 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:58:46" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 20:58:46,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 20:58:46,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 20:58:46,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2020-10-12 20:58:46,404 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 20:58:46,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 20:58:46,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-12 20:58:46,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 20:58:46,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-12 20:58:46,404 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2020-10-12 20:58:46,405 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 20:58:46,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 20:58:46,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 20:58:46,635 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 20:58:47,017 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-10-12 20:58:47,017 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-10-12 20:58:47,034 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 20:58:47,035 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-12 20:58:47,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 08:58:47 BoogieIcfgContainer [2020-10-12 20:58:47,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 20:58:47,041 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 20:58:47,042 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 20:58:47,045 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 20:58:47,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 08:58:45" (1/3) ... [2020-10-12 20:58:47,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e2ea068 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 08:58:47, skipping insertion in model container [2020-10-12 20:58:47,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:58:46" (2/3) ... [2020-10-12 20:58:47,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e2ea068 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 08:58:47, skipping insertion in model container [2020-10-12 20:58:47,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 08:58:47" (3/3) ... [2020-10-12 20:58:47,048 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_clnt_1.cil-2.c [2020-10-12 20:58:47,059 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 20:58:47,067 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 20:58:47,081 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 20:58:47,107 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 20:58:47,107 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 20:58:47,108 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 20:58:47,108 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 20:58:47,108 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 20:58:47,108 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 20:58:47,109 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 20:58:47,109 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 20:58:47,134 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2020-10-12 20:58:47,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-12 20:58:47,143 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:58:47,144 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:58:47,144 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:58:47,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:58:47,151 INFO L82 PathProgramCache]: Analyzing trace with hash 173381458, now seen corresponding path program 1 times [2020-10-12 20:58:47,160 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:58:47,161 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [730200758] [2020-10-12 20:58:47,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:58:47,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:47,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:47,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:47,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:47,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:47,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-12 20:58:47,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 20:58:47,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 476 [2020-10-12 20:58:47,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:47,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 20:58:47,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-12 20:58:47,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 20:58:47,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 20:58:47,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:58:47,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:47,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:47,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:47,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:58:47,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:58:47,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 20:58:47,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:47,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:58:47,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:58:47,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:58:47,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:47,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 20:58:47,892 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [730200758] [2020-10-12 20:58:47,894 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:58:47,894 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-12 20:58:47,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159234838] [2020-10-12 20:58:47,899 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-12 20:58:47,900 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:58:47,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-12 20:58:47,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-12 20:58:47,916 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 4 states. [2020-10-12 20:58:48,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:58:48,147 INFO L93 Difference]: Finished difference Result 261 states and 436 transitions. [2020-10-12 20:58:48,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-12 20:58:48,149 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2020-10-12 20:58:48,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:58:48,167 INFO L225 Difference]: With dead ends: 261 [2020-10-12 20:58:48,167 INFO L226 Difference]: Without dead ends: 119 [2020-10-12 20:58:48,173 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-12 20:58:48,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-10-12 20:58:48,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2020-10-12 20:58:48,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-10-12 20:58:48,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 176 transitions. [2020-10-12 20:58:48,222 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 176 transitions. Word has length 29 [2020-10-12 20:58:48,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:58:48,222 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 176 transitions. [2020-10-12 20:58:48,223 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-12 20:58:48,223 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 176 transitions. [2020-10-12 20:58:48,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-12 20:58:48,225 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:58:48,225 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:58:48,225 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 20:58:48,225 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:58:48,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:58:48,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1901617752, now seen corresponding path program 1 times [2020-10-12 20:58:48,226 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:58:48,227 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1026737054] [2020-10-12 20:58:48,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:58:48,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:48,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:48,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:48,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:48,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:48,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-12 20:58:48,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 20:58:48,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 174 [2020-10-12 20:58:48,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:48,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:58:48,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 20:58:48,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 20:58:48,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:58:48,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:58:48,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:48,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:48,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:48,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:58:48,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:58:48,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:58:48,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:48,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:58:48,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:58:48,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:58:48,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:58:48,465 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-12 20:58:48,465 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1026737054] [2020-10-12 20:58:48,466 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:58:48,466 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:58:48,466 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556429002] [2020-10-12 20:58:48,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:58:48,468 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:58:48,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:58:48,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:58:48,469 INFO L87 Difference]: Start difference. First operand 119 states and 176 transitions. Second operand 3 states. [2020-10-12 20:58:48,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:58:48,518 INFO L93 Difference]: Finished difference Result 325 states and 489 transitions. [2020-10-12 20:58:48,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:58:48,519 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2020-10-12 20:58:48,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:58:48,522 INFO L225 Difference]: With dead ends: 325 [2020-10-12 20:58:48,522 INFO L226 Difference]: Without dead ends: 221 [2020-10-12 20:58:48,524 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:58:48,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-10-12 20:58:48,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2020-10-12 20:58:48,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2020-10-12 20:58:48,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 327 transitions. [2020-10-12 20:58:48,546 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 327 transitions. Word has length 42 [2020-10-12 20:58:48,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:58:48,547 INFO L479 AbstractCegarLoop]: Abstraction has 221 states and 327 transitions. [2020-10-12 20:58:48,547 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:58:48,547 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 327 transitions. [2020-10-12 20:58:48,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-12 20:58:48,550 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:58:48,550 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:58:48,550 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 20:58:48,551 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:58:48,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:58:48,551 INFO L82 PathProgramCache]: Analyzing trace with hash 578658705, now seen corresponding path program 1 times [2020-10-12 20:58:48,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:58:48,552 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2140568576] [2020-10-12 20:58:48,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:58:48,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:48,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:48,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:48,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:48,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:48,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-12 20:58:48,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 20:58:48,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-10-12 20:58:48,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:48,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:58:48,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-12 20:58:48,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 20:58:48,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:48,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:58:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:48,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:48,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:48,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:58:48,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:58:48,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:58:48,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:48,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:58:48,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:58:48,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:58:48,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:48,764 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-12 20:58:48,764 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2140568576] [2020-10-12 20:58:48,765 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:58:48,765 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:58:48,765 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771536871] [2020-10-12 20:58:48,766 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:58:48,766 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:58:48,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:58:48,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:58:48,767 INFO L87 Difference]: Start difference. First operand 221 states and 327 transitions. Second operand 3 states. [2020-10-12 20:58:48,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:58:48,812 INFO L93 Difference]: Finished difference Result 427 states and 640 transitions. [2020-10-12 20:58:48,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:58:48,813 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-10-12 20:58:48,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:58:48,816 INFO L225 Difference]: With dead ends: 427 [2020-10-12 20:58:48,816 INFO L226 Difference]: Without dead ends: 323 [2020-10-12 20:58:48,817 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:58:48,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2020-10-12 20:58:48,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 323. [2020-10-12 20:58:48,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2020-10-12 20:58:48,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 479 transitions. [2020-10-12 20:58:48,839 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 479 transitions. Word has length 56 [2020-10-12 20:58:48,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:58:48,839 INFO L479 AbstractCegarLoop]: Abstraction has 323 states and 479 transitions. [2020-10-12 20:58:48,839 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:58:48,840 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 479 transitions. [2020-10-12 20:58:48,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-10-12 20:58:48,844 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:58:48,844 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:58:48,844 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 20:58:48,844 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:58:48,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:58:48,845 INFO L82 PathProgramCache]: Analyzing trace with hash -1321928473, now seen corresponding path program 1 times [2020-10-12 20:58:48,845 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:58:48,845 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [84475652] [2020-10-12 20:58:48,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:58:48,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:48,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:48,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:49,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:49,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 20:58:49,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 20:58:49,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-10-12 20:58:49,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:49,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:58:49,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-12 20:58:49,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 20:58:49,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:49,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:58:49,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:49,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:49,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:49,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:58:49,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:58:49,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:58:49,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:49,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:58:49,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:58:49,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:58:49,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:49,072 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-12 20:58:49,073 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [84475652] [2020-10-12 20:58:49,073 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:58:49,073 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:58:49,073 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883053649] [2020-10-12 20:58:49,074 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:58:49,074 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:58:49,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:58:49,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:58:49,075 INFO L87 Difference]: Start difference. First operand 323 states and 479 transitions. Second operand 3 states. [2020-10-12 20:58:49,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:58:49,281 INFO L93 Difference]: Finished difference Result 784 states and 1206 transitions. [2020-10-12 20:58:49,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:58:49,282 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2020-10-12 20:58:49,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:58:49,285 INFO L225 Difference]: With dead ends: 784 [2020-10-12 20:58:49,285 INFO L226 Difference]: Without dead ends: 473 [2020-10-12 20:58:49,287 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:58:49,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2020-10-12 20:58:49,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 446. [2020-10-12 20:58:49,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 446 states. [2020-10-12 20:58:49,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 629 transitions. [2020-10-12 20:58:49,306 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 629 transitions. Word has length 73 [2020-10-12 20:58:49,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:58:49,307 INFO L479 AbstractCegarLoop]: Abstraction has 446 states and 629 transitions. [2020-10-12 20:58:49,307 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:58:49,307 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 629 transitions. [2020-10-12 20:58:49,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-10-12 20:58:49,311 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:58:49,311 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:58:49,311 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 20:58:49,312 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:58:49,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:58:49,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1167600489, now seen corresponding path program 1 times [2020-10-12 20:58:49,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:58:49,313 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [329094292] [2020-10-12 20:58:49,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:58:49,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:49,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:49,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:49,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:49,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:49,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 20:58:49,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 20:58:49,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-10-12 20:58:49,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:49,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:58:49,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-12 20:58:49,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 20:58:49,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:49,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:58:49,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:49,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:49,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:49,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:58:49,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:58:49,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:58:49,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:49,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:58:49,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:58:49,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:58:49,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:49,508 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-12 20:58:49,508 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [329094292] [2020-10-12 20:58:49,509 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:58:49,509 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:58:49,509 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742268400] [2020-10-12 20:58:49,509 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:58:49,510 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:58:49,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:58:49,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:58:49,510 INFO L87 Difference]: Start difference. First operand 446 states and 629 transitions. Second operand 3 states. [2020-10-12 20:58:49,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:58:49,705 INFO L93 Difference]: Finished difference Result 1042 states and 1522 transitions. [2020-10-12 20:58:49,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:58:49,706 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2020-10-12 20:58:49,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:58:49,710 INFO L225 Difference]: With dead ends: 1042 [2020-10-12 20:58:49,710 INFO L226 Difference]: Without dead ends: 611 [2020-10-12 20:58:49,711 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:58:49,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2020-10-12 20:58:49,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 569. [2020-10-12 20:58:49,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 569 states. [2020-10-12 20:58:49,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 788 transitions. [2020-10-12 20:58:49,731 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 788 transitions. Word has length 73 [2020-10-12 20:58:49,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:58:49,732 INFO L479 AbstractCegarLoop]: Abstraction has 569 states and 788 transitions. [2020-10-12 20:58:49,732 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:58:49,732 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 788 transitions. [2020-10-12 20:58:49,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-12 20:58:49,736 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:58:49,736 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:58:49,736 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 20:58:49,736 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:58:49,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:58:49,737 INFO L82 PathProgramCache]: Analyzing trace with hash -1476060097, now seen corresponding path program 1 times [2020-10-12 20:58:49,737 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:58:49,737 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [261542268] [2020-10-12 20:58:49,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:58:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:49,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:49,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:49,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:49,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:49,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-12 20:58:49,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 20:58:49,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 208 [2020-10-12 20:58:49,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:49,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:58:49,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-10-12 20:58:49,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 20:58:49,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:50,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:58:50,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:50,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:50,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:50,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:58:50,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:58:50,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:58:50,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:50,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:58:50,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:58:50,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:58:50,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:50,013 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-10-12 20:58:50,013 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [261542268] [2020-10-12 20:58:50,014 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:58:50,014 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:58:50,014 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062950684] [2020-10-12 20:58:50,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:58:50,015 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:58:50,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:58:50,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:58:50,016 INFO L87 Difference]: Start difference. First operand 569 states and 788 transitions. Second operand 3 states. [2020-10-12 20:58:50,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:58:50,194 INFO L93 Difference]: Finished difference Result 1282 states and 1831 transitions. [2020-10-12 20:58:50,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:58:50,195 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 89 [2020-10-12 20:58:50,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:58:50,199 INFO L225 Difference]: With dead ends: 1282 [2020-10-12 20:58:50,199 INFO L226 Difference]: Without dead ends: 728 [2020-10-12 20:58:50,201 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:58:50,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2020-10-12 20:58:50,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 632. [2020-10-12 20:58:50,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 632 states. [2020-10-12 20:58:50,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 893 transitions. [2020-10-12 20:58:50,220 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 893 transitions. Word has length 89 [2020-10-12 20:58:50,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:58:50,220 INFO L479 AbstractCegarLoop]: Abstraction has 632 states and 893 transitions. [2020-10-12 20:58:50,220 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:58:50,221 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 893 transitions. [2020-10-12 20:58:50,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-12 20:58:50,223 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:58:50,223 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:58:50,223 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 20:58:50,224 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:58:50,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:58:50,224 INFO L82 PathProgramCache]: Analyzing trace with hash 452791927, now seen corresponding path program 1 times [2020-10-12 20:58:50,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:58:50,224 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1773942803] [2020-10-12 20:58:50,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:58:50,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:50,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:50,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:50,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-12 20:58:50,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:58:50,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-12 20:58:50,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:50,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:58:50,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-12 20:58:50,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-12 20:58:50,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:58:50,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:58:50,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:58:50,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:58:50,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:58:50,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:58:50,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:58:50,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:58:50,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:58:50,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:58:50,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:58:50,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:58:50,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:58:50,432 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-12 20:58:50,432 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1773942803] [2020-10-12 20:58:50,433 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:58:50,433 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:58:50,433 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141141190] [2020-10-12 20:58:50,435 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:58:50,435 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:58:50,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:58:50,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:58:50,436 INFO L87 Difference]: Start difference. First operand 632 states and 893 transitions. Second operand 3 states. [2020-10-12 20:58:50,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:58:50,488 INFO L93 Difference]: Finished difference Result 1249 states and 1772 transitions. [2020-10-12 20:58:50,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:58:50,489 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2020-10-12 20:58:50,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:58:50,496 INFO L225 Difference]: With dead ends: 1249 [2020-10-12 20:58:50,496 INFO L226 Difference]: Without dead ends: 837 [2020-10-12 20:58:50,498 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:58:50,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2020-10-12 20:58:50,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 837. [2020-10-12 20:58:50,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 837 states. [2020-10-12 20:58:50,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 1184 transitions. [2020-10-12 20:58:50,521 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 1184 transitions. Word has length 109 [2020-10-12 20:58:50,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:58:50,521 INFO L479 AbstractCegarLoop]: Abstraction has 837 states and 1184 transitions. [2020-10-12 20:58:50,521 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:58:50,522 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1184 transitions. [2020-10-12 20:58:50,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-12 20:58:50,529 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:58:50,529 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 20:58:50,529 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 20:58:50,529 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:58:50,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:58:50,530 INFO L82 PathProgramCache]: Analyzing trace with hash 1076525473, now seen corresponding path program 1 times [2020-10-12 20:58:50,530 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:58:50,530 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1733925841] [2020-10-12 20:58:50,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:58:50,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-12 20:58:50,571 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-12 20:58:50,572 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-12 20:58:50,577 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 20:58:50,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 08:58:50 BoogieIcfgContainer [2020-10-12 20:58:50,619 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 20:58:50,623 INFO L168 Benchmark]: Toolchain (without parser) took 4804.43 ms. Allocated memory was 140.5 MB in the beginning and 289.4 MB in the end (delta: 148.9 MB). Free memory was 103.2 MB in the beginning and 184.7 MB in the end (delta: -81.4 MB). Peak memory consumption was 67.5 MB. Max. memory is 7.1 GB. [2020-10-12 20:58:50,627 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-12 20:58:50,628 INFO L168 Benchmark]: CACSL2BoogieTranslator took 469.33 ms. Allocated memory was 140.5 MB in the beginning and 201.9 MB in the end (delta: 61.3 MB). Free memory was 103.0 MB in the beginning and 177.9 MB in the end (delta: -74.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2020-10-12 20:58:50,629 INFO L168 Benchmark]: Boogie Preprocessor took 50.05 ms. Allocated memory is still 201.9 MB. Free memory was 177.9 MB in the beginning and 175.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-12 20:58:50,630 INFO L168 Benchmark]: RCFGBuilder took 702.52 ms. Allocated memory is still 201.9 MB. Free memory was 175.2 MB in the beginning and 128.1 MB in the end (delta: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB. [2020-10-12 20:58:50,631 INFO L168 Benchmark]: TraceAbstraction took 3577.77 ms. Allocated memory was 201.9 MB in the beginning and 289.4 MB in the end (delta: 87.6 MB). Free memory was 127.4 MB in the beginning and 184.7 MB in the end (delta: -57.2 MB). Peak memory consumption was 30.4 MB. Max. memory is 7.1 GB. [2020-10-12 20:58:50,636 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 469.33 ms. Allocated memory was 140.5 MB in the beginning and 201.9 MB in the end (delta: 61.3 MB). Free memory was 103.0 MB in the beginning and 177.9 MB in the end (delta: -74.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 50.05 ms. Allocated memory is still 201.9 MB. Free memory was 177.9 MB in the beginning and 175.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 702.52 ms. Allocated memory is still 201.9 MB. Free memory was 175.2 MB in the beginning and 128.1 MB in the end (delta: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3577.77 ms. Allocated memory was 201.9 MB in the beginning and 289.4 MB in the end (delta: 87.6 MB). Free memory was 127.4 MB in the beginning and 184.7 MB in the end (delta: -57.2 MB). Peak memory consumption was 30.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 543]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L548] int s ; [L552] s = 12292 [L553] CALL ssl3_connect(12292) [L11] int s__info_callback = __VERIFIER_nondet_int() ; [L12] int s__in_handshake = __VERIFIER_nondet_int() ; [L13] int s__state ; [L14] int s__new_session ; [L15] int s__server ; [L16] int s__version = __VERIFIER_nondet_int() ; [L17] int s__type ; [L18] int s__init_num ; [L19] int s__bbio = __VERIFIER_nondet_int() ; [L20] int s__wbio = __VERIFIER_nondet_int() ; [L21] int s__hit = __VERIFIER_nondet_int() ; [L22] int s__rwstate ; [L23] int s__init_buf___0 = 1; [L24] int s__debug = __VERIFIER_nondet_int() ; [L25] int s__shutdown ; [L26] int s__ctx__info_callback = __VERIFIER_nondet_int() ; [L27] int s__ctx__stats__sess_connect_renegotiate = __VERIFIER_nondet_int() ; [L28] int s__ctx__stats__sess_connect = __VERIFIER_nondet_int() ; [L29] int s__ctx__stats__sess_hit = __VERIFIER_nondet_int() ; [L30] int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_int() ; [L31] int s__s3__change_cipher_spec ; [L32] int s__s3__flags ; [L33] int s__s3__delay_buf_pop_ret ; [L34] int s__s3__tmp__cert_req = __VERIFIER_nondet_int() ; [L35] int s__s3__tmp__new_compression = __VERIFIER_nondet_int() ; [L36] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int() ; [L37] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ; [L38] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int() ; [L39] int s__s3__tmp__next_state___0 ; [L40] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int() ; [L41] int s__session__cipher ; [L42] int s__session__compress_meth ; [L43] int buf ; [L44] unsigned long tmp ; [L45] unsigned long l ; [L46] int num1 ; [L47] int cb ; [L48] int ret ; [L49] int new_state ; [L50] int state ; [L51] int skip ; [L52] int tmp___0 ; [L53] int tmp___1 = __VERIFIER_nondet_int() ; [L54] int tmp___2 = __VERIFIER_nondet_int() ; [L55] int tmp___3 = __VERIFIER_nondet_int() ; [L56] int tmp___4 = __VERIFIER_nondet_int() ; [L57] int tmp___5 = __VERIFIER_nondet_int() ; [L58] int tmp___6 = __VERIFIER_nondet_int() ; [L59] int tmp___7 = __VERIFIER_nondet_int() ; [L60] int tmp___8 = __VERIFIER_nondet_int() ; [L61] int tmp___9 = __VERIFIER_nondet_int() ; [L62] int blastFlag ; [L63] int __cil_tmp55 ; [L64] long __cil_tmp56 ; [L65] long __cil_tmp57 ; [L66] long __cil_tmp58 ; [L67] long __cil_tmp59 ; [L68] long __cil_tmp60 ; [L69] long __cil_tmp61 ; [L70] long __cil_tmp62 ; [L71] long __cil_tmp63 ; [L72] long __cil_tmp64 ; [L76] s__state = initial_state [L77] blastFlag = 0 [L78] tmp = __VERIFIER_nondet_int() [L79] cb = 0 [L80] ret = -1 [L81] skip = 0 [L82] tmp___0 = 0 [L83] COND TRUE s__info_callback != 0 [L84] cb = s__info_callback [L90] s__in_handshake ++ [L91] COND FALSE !(tmp___1 - 12288) [L97] COND TRUE 1 [L99] state = s__state [L100] COND TRUE s__state == 12292 [L202] s__new_session = 1 [L203] s__state = 4096 [L204] s__ctx__stats__sess_connect_renegotiate ++ [L209] s__server = 0 [L210] COND TRUE cb != 0 [L214] __cil_tmp55 = s__version - 65280 [L215] COND FALSE !(__cil_tmp55 != 768) [L220] s__type = 4096 [L221] COND FALSE !(s__init_buf___0 == 0) [L233] COND FALSE !(! tmp___4) [L237] COND FALSE !(! tmp___5) [L241] s__state = 4368 [L242] s__ctx__stats__sess_connect ++ [L243] s__init_num = 0 [L515] COND FALSE !(! s__s3__tmp__reuse_message) [L532] skip = 0 [L97] COND TRUE 1 [L99] state = s__state [L100] COND FALSE !(s__state == 12292) [L103] COND FALSE !(s__state == 16384) [L106] COND FALSE !(s__state == 4096) [L109] COND FALSE !(s__state == 20480) [L112] COND FALSE !(s__state == 4099) [L115] COND TRUE s__state == 4368 [L247] s__shutdown = 0 [L248] ret = __VERIFIER_nondet_int() [L249] COND TRUE blastFlag == 0 [L250] blastFlag = 1 [L252] COND FALSE !(ret <= 0) [L255] s__state = 4384 [L256] s__init_num = 0 [L257] COND TRUE s__bbio != s__wbio [L515] COND FALSE !(! s__s3__tmp__reuse_message) [L532] skip = 0 [L97] COND TRUE 1 [L99] state = s__state [L100] COND FALSE !(s__state == 12292) [L103] COND FALSE !(s__state == 16384) [L106] COND FALSE !(s__state == 4096) [L109] COND FALSE !(s__state == 20480) [L112] COND FALSE !(s__state == 4099) [L115] COND FALSE !(s__state == 4368) [L118] COND FALSE !(s__state == 4369) [L121] COND TRUE s__state == 4384 [L263] ret = __VERIFIER_nondet_int() [L264] COND TRUE blastFlag == 1 [L265] blastFlag = 2 [L267] COND FALSE !(ret <= 0) [L270] COND FALSE !(\read(s__hit)) [L273] s__state = 4400 [L275] s__init_num = 0 [L515] COND FALSE !(! s__s3__tmp__reuse_message) [L532] skip = 0 [L97] COND TRUE 1 [L99] state = s__state [L100] COND FALSE !(s__state == 12292) [L103] COND FALSE !(s__state == 16384) [L106] COND FALSE !(s__state == 4096) [L109] COND FALSE !(s__state == 20480) [L112] COND FALSE !(s__state == 4099) [L115] COND FALSE !(s__state == 4368) [L118] COND FALSE !(s__state == 4369) [L121] COND FALSE !(s__state == 4384) [L124] COND FALSE !(s__state == 4385) [L127] COND TRUE s__state == 4400 [L279] COND FALSE !(s__s3__tmp__new_cipher__algorithms - 256) [L282] ret = __VERIFIER_nondet_int() [L283] COND TRUE blastFlag == 2 [L284] blastFlag = 3 [L286] COND FALSE !(ret <= 0) [L290] s__state = 4416 [L291] s__init_num = 0 [L515] COND FALSE !(! s__s3__tmp__reuse_message) [L532] skip = 0 [L97] COND TRUE 1 [L99] state = s__state [L100] COND FALSE !(s__state == 12292) [L103] COND FALSE !(s__state == 16384) [L106] COND FALSE !(s__state == 4096) [L109] COND FALSE !(s__state == 20480) [L112] COND FALSE !(s__state == 4099) [L115] COND FALSE !(s__state == 4368) [L118] COND FALSE !(s__state == 4369) [L121] COND FALSE !(s__state == 4384) [L124] COND FALSE !(s__state == 4385) [L127] COND FALSE !(s__state == 4400) [L130] COND FALSE !(s__state == 4401) [L133] COND TRUE s__state == 4416 [L295] ret = __VERIFIER_nondet_int() [L296] COND TRUE blastFlag == 3 [L297] blastFlag = 4 [L299] COND FALSE !(ret <= 0) [L302] s__state = 4432 [L303] s__init_num = 0 [L304] COND FALSE !(! tmp___6) [L515] COND FALSE !(! s__s3__tmp__reuse_message) [L532] skip = 0 [L97] COND TRUE 1 [L99] state = s__state [L100] COND FALSE !(s__state == 12292) [L103] COND FALSE !(s__state == 16384) [L106] COND FALSE !(s__state == 4096) [L109] COND FALSE !(s__state == 20480) [L112] COND FALSE !(s__state == 4099) [L115] COND FALSE !(s__state == 4368) [L118] COND FALSE !(s__state == 4369) [L121] COND FALSE !(s__state == 4384) [L124] COND FALSE !(s__state == 4385) [L127] COND FALSE !(s__state == 4400) [L130] COND FALSE !(s__state == 4401) [L133] COND FALSE !(s__state == 4416) [L136] COND FALSE !(s__state == 4417) [L139] COND TRUE s__state == 4432 [L311] ret = __VERIFIER_nondet_int() [L312] COND TRUE blastFlag == 4 [L543] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 135 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.4s, OverallIterations: 8, TraceHistogramMax: 6, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1177 SDtfs, 802 SDslu, 799 SDs, 0 SdLazy, 499 SolverSat, 125 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=837occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 165 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 582 NumberOfCodeBlocks, 582 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 464 ConstructedInterpolants, 0 QuantifiedInterpolants, 58282 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 316/316 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...