/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=0.2 --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_4.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 11:10:30,314 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 11:10:30,319 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 11:10:30,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 11:10:30,367 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 11:10:30,378 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 11:10:30,381 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 11:10:30,385 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 11:10:30,388 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 11:10:30,391 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 11:10:30,392 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 11:10:30,393 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 11:10:30,394 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 11:10:30,396 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 11:10:30,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 11:10:30,401 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 11:10:30,403 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 11:10:30,404 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 11:10:30,406 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 11:10:30,416 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 11:10:30,418 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 11:10:30,419 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 11:10:30,421 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 11:10:30,421 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 11:10:30,424 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 11:10:30,424 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 11:10:30,424 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 11:10:30,428 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 11:10:30,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 11:10:30,430 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 11:10:30,430 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 11:10:30,431 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 11:10:30,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 11:10:30,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 11:10:30,435 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 11:10:30,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 11:10:30,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 11:10:30,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 11:10:30,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 11:10:30,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 11:10:30,439 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 11:10:30,440 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 11:10:30,486 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 11:10:30,486 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 11:10:30,488 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 11:10:30,488 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 11:10:30,488 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 11:10:30,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 11:10:30,489 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 11:10:30,489 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 11:10:30,489 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 11:10:30,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 11:10:30,491 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 11:10:30,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 11:10:30,491 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 11:10:30,491 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 11:10:30,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 11:10:30,492 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 11:10:30,492 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 11:10:30,492 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 11:10:30,493 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 11:10:30,493 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 11:10:30,493 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 11:10:30,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 11:10:30,493 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 11:10:30,494 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 11:10:30,494 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 11:10:30,494 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 11:10:30,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 11:10:30,494 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 11:10:30,495 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 11:10:30,495 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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;log-additional-information=true; [2020-09-25 11:10:30,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 11:10:30,970 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 11:10:30,975 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 11:10:30,979 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 11:10:30,981 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 11:10:30,982 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_4.cil-2.c [2020-09-25 11:10:31,058 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9e92f51a1/f8d65521d1dd4f529bf47df1b6b7519d/FLAGbacd7ccbc [2020-09-25 11:10:31,737 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 11:10:31,738 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ssh-simplified/s3_clnt_4.cil-2.c [2020-09-25 11:10:31,757 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9e92f51a1/f8d65521d1dd4f529bf47df1b6b7519d/FLAGbacd7ccbc [2020-09-25 11:10:32,001 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9e92f51a1/f8d65521d1dd4f529bf47df1b6b7519d [2020-09-25 11:10:32,014 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 11:10:32,019 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 11:10:32,021 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 11:10:32,021 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 11:10:32,025 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 11:10:32,026 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:10:32" (1/1) ... [2020-09-25 11:10:32,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22f9cb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:32, skipping insertion in model container [2020-09-25 11:10:32,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:10:32" (1/1) ... [2020-09-25 11:10:32,039 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 11:10:32,085 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 11:10:32,375 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:10:32,386 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 11:10:32,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:10:32,558 INFO L208 MainTranslator]: Completed translation [2020-09-25 11:10:32,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:32 WrapperNode [2020-09-25 11:10:32,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 11:10:32,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 11:10:32,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 11:10:32,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 11:10:32,575 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:32" (1/1) ... [2020-09-25 11:10:32,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:32" (1/1) ... [2020-09-25 11:10:32,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:32" (1/1) ... [2020-09-25 11:10:32,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:32" (1/1) ... [2020-09-25 11:10:32,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:32" (1/1) ... [2020-09-25 11:10:32,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:32" (1/1) ... [2020-09-25 11:10:32,617 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:32" (1/1) ... [2020-09-25 11:10:32,622 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 11:10:32,623 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 11:10:32,623 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 11:10:32,623 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 11:10:32,624 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:32" (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 11:10:32,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 11:10:32,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 11:10:32,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2020-09-25 11:10:32,712 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 11:10:32,712 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 11:10:32,713 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-09-25 11:10:32,713 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 11:10:32,713 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-09-25 11:10:32,713 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2020-09-25 11:10:32,713 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 11:10:32,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 11:10:32,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 11:10:32,901 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-09-25 11:10:33,574 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-09-25 11:10:33,574 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-09-25 11:10:33,601 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 11:10:33,601 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-25 11:10:33,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:10:33 BoogieIcfgContainer [2020-09-25 11:10:33,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 11:10:33,612 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 11:10:33,612 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 11:10:33,616 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 11:10:33,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 11:10:32" (1/3) ... [2020-09-25 11:10:33,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dd09018 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:10:33, skipping insertion in model container [2020-09-25 11:10:33,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:10:32" (2/3) ... [2020-09-25 11:10:33,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dd09018 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:10:33, skipping insertion in model container [2020-09-25 11:10:33,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:10:33" (3/3) ... [2020-09-25 11:10:33,620 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_clnt_4.cil-2.c [2020-09-25 11:10:33,633 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 11:10:33,646 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 11:10:33,670 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 11:10:33,703 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 11:10:33,703 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 11:10:33,703 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 11:10:33,703 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 11:10:33,704 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 11:10:33,704 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 11:10:33,704 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 11:10:33,704 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 11:10:33,734 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states. [2020-09-25 11:10:33,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-25 11:10:33,753 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:10:33,755 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] [2020-09-25 11:10:33,755 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:10:33,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:10:33,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1739904560, now seen corresponding path program 1 times [2020-09-25 11:10:33,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:10:33,772 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1994939797] [2020-09-25 11:10:33,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:10:34,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:10:34,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:34,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:34,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:35,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:10:35,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-09-25 11:10:35,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 11:10:35,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1132 [2020-09-25 11:10:35,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:10:35,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:10:35,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:10:35,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-25 11:10:35,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-09-25 11:10:35,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 11:10:35,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:10:35,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:10:35,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:35,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:10:35,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:10:35,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:10:35,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:10:35,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:10:35,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:10:35,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:10:35,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:10:35,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:10:35,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:10:35,435 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 11:10:35,436 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1994939797] [2020-09-25 11:10:35,438 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:10:35,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 11:10:35,440 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465742839] [2020-09-25 11:10:35,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 11:10:35,447 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:10:35,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 11:10:35,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 11:10:35,465 INFO L87 Difference]: Start difference. First operand 391 states. Second operand 6 states. [2020-09-25 11:10:35,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:10:35,850 INFO L93 Difference]: Finished difference Result 635 states and 810 transitions. [2020-09-25 11:10:35,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 11:10:35,852 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 167 [2020-09-25 11:10:35,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:10:35,888 INFO L225 Difference]: With dead ends: 635 [2020-09-25 11:10:35,888 INFO L226 Difference]: Without dead ends: 352 [2020-09-25 11:10:35,902 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-25 11:10:35,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2020-09-25 11:10:35,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 352. [2020-09-25 11:10:35,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 352 states. [2020-09-25 11:10:35,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 409 transitions. [2020-09-25 11:10:35,998 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 409 transitions. Word has length 167 [2020-09-25 11:10:35,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:10:35,999 INFO L479 AbstractCegarLoop]: Abstraction has 352 states and 409 transitions. [2020-09-25 11:10:35,999 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 11:10:35,999 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 409 transitions. [2020-09-25 11:10:36,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-09-25 11:10:36,004 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:10:36,004 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] [2020-09-25 11:10:36,005 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 11:10:36,005 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:10:36,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:10:36,006 INFO L82 PathProgramCache]: Analyzing trace with hash -5837123, now seen corresponding path program 1 times [2020-09-25 11:10:36,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:10:36,006 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1974079985] [2020-09-25 11:10:36,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:10:36,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:10:36,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:36,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:36,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:36,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:10:36,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-25 11:10:36,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 11:10:36,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 476 [2020-09-25 11:10:36,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:10:36,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:10:36,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:10:36,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 141 [2020-09-25 11:10:36,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-25 11:10:36,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:10:36,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:10:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:10:36,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:36,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:10:36,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:10:36,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:10:36,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:10:36,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:10:36,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:10:36,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:10:36,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:10:36,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:10:36,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 11:10:36,685 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 11:10:36,686 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1974079985] [2020-09-25 11:10:36,686 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:10:36,695 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 11:10:36,696 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972467022] [2020-09-25 11:10:36,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 11:10:36,702 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:10:36,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 11:10:36,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 11:10:36,703 INFO L87 Difference]: Start difference. First operand 352 states and 409 transitions. Second operand 3 states. [2020-09-25 11:10:36,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:10:36,824 INFO L93 Difference]: Finished difference Result 745 states and 909 transitions. [2020-09-25 11:10:36,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 11:10:36,825 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 190 [2020-09-25 11:10:36,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:10:36,832 INFO L225 Difference]: With dead ends: 745 [2020-09-25 11:10:36,832 INFO L226 Difference]: Without dead ends: 545 [2020-09-25 11:10:36,838 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 11:10:36,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2020-09-25 11:10:36,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 545. [2020-09-25 11:10:36,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 545 states. [2020-09-25 11:10:36,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 651 transitions. [2020-09-25 11:10:36,895 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 651 transitions. Word has length 190 [2020-09-25 11:10:36,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:10:36,896 INFO L479 AbstractCegarLoop]: Abstraction has 545 states and 651 transitions. [2020-09-25 11:10:36,897 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 11:10:36,897 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 651 transitions. [2020-09-25 11:10:36,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-09-25 11:10:36,909 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:10:36,909 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] [2020-09-25 11:10:36,910 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 11:10:36,910 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:10:36,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:10:36,910 INFO L82 PathProgramCache]: Analyzing trace with hash -525577979, now seen corresponding path program 1 times [2020-09-25 11:10:36,911 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:10:36,911 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [875680824] [2020-09-25 11:10:36,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:10:36,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:10:36,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:37,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:37,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:37,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:10:37,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-09-25 11:10:37,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 11:10:37,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 436 [2020-09-25 11:10:37,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:10:37,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:10:37,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:10:37,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 191 [2020-09-25 11:10:37,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-25 11:10:37,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:10:37,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:10:37,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:10:37,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:37,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:10:37,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:10:37,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:10:37,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:10:37,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:10:37,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:10:37,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:10:37,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:10:37,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:10:37,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:10:37,481 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 11:10:37,481 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [875680824] [2020-09-25 11:10:37,482 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:10:37,482 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 11:10:37,482 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112651608] [2020-09-25 11:10:37,483 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 11:10:37,483 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:10:37,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 11:10:37,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 11:10:37,484 INFO L87 Difference]: Start difference. First operand 545 states and 651 transitions. Second operand 3 states. [2020-09-25 11:10:37,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:10:37,564 INFO L93 Difference]: Finished difference Result 938 states and 1151 transitions. [2020-09-25 11:10:37,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 11:10:37,565 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 210 [2020-09-25 11:10:37,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:10:37,571 INFO L225 Difference]: With dead ends: 938 [2020-09-25 11:10:37,571 INFO L226 Difference]: Without dead ends: 738 [2020-09-25 11:10:37,573 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 11:10:37,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2020-09-25 11:10:37,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 738. [2020-09-25 11:10:37,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 738 states. [2020-09-25 11:10:37,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 738 states and 894 transitions. [2020-09-25 11:10:37,603 INFO L78 Accepts]: Start accepts. Automaton has 738 states and 894 transitions. Word has length 210 [2020-09-25 11:10:37,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:10:37,604 INFO L479 AbstractCegarLoop]: Abstraction has 738 states and 894 transitions. [2020-09-25 11:10:37,604 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 11:10:37,604 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 894 transitions. [2020-09-25 11:10:37,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-09-25 11:10:37,612 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:10:37,612 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] [2020-09-25 11:10:37,613 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 11:10:37,613 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:10:37,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:10:37,614 INFO L82 PathProgramCache]: Analyzing trace with hash -1852648600, now seen corresponding path program 1 times [2020-09-25 11:10:37,614 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:10:37,615 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [494057394] [2020-09-25 11:10:37,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:10:37,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:10:37,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:37,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:38,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:10:38,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-09-25 11:10:38,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:10:38,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 454 [2020-09-25 11:10:38,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:10:38,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:10:38,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:10:38,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-09-25 11:10:38,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-25 11:10:38,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:10:38,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:10:38,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:10:38,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:38,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:10:38,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:10:38,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:10:38,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:10:38,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:10:38,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:10:38,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:10:38,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:10:38,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:10:38,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:10:38,251 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 11:10:38,252 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [494057394] [2020-09-25 11:10:38,252 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:10:38,252 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 11:10:38,252 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416437492] [2020-09-25 11:10:38,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 11:10:38,254 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:10:38,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 11:10:38,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 11:10:38,255 INFO L87 Difference]: Start difference. First operand 738 states and 894 transitions. Second operand 3 states. [2020-09-25 11:10:38,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:10:38,348 INFO L93 Difference]: Finished difference Result 1324 states and 1637 transitions. [2020-09-25 11:10:38,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 11:10:38,349 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 231 [2020-09-25 11:10:38,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:10:38,355 INFO L225 Difference]: With dead ends: 1324 [2020-09-25 11:10:38,356 INFO L226 Difference]: Without dead ends: 931 [2020-09-25 11:10:38,357 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 11:10:38,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2020-09-25 11:10:38,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 931. [2020-09-25 11:10:38,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 931 states. [2020-09-25 11:10:38,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 931 states and 1138 transitions. [2020-09-25 11:10:38,396 INFO L78 Accepts]: Start accepts. Automaton has 931 states and 1138 transitions. Word has length 231 [2020-09-25 11:10:38,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:10:38,397 INFO L479 AbstractCegarLoop]: Abstraction has 931 states and 1138 transitions. [2020-09-25 11:10:38,397 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 11:10:38,397 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1138 transitions. [2020-09-25 11:10:38,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-09-25 11:10:38,406 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:10:38,406 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] [2020-09-25 11:10:38,407 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 11:10:38,407 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:10:38,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:10:38,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1367299244, now seen corresponding path program 1 times [2020-09-25 11:10:38,408 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:10:38,409 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1381330522] [2020-09-25 11:10:38,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:10:38,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:10:38,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:38,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:38,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:39,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:39,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:10:39,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-09-25 11:10:39,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 11:10:39,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 862 [2020-09-25 11:10:39,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:10:39,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:10:39,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:10:39,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 237 [2020-09-25 11:10:39,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-25 11:10:39,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:10:39,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:10:39,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:10:39,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:39,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:10:39,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:10:39,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:10:39,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:10:39,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:10:39,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:10:39,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:10:39,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:10:39,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:10:39,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:10:39,419 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 11:10:39,419 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1381330522] [2020-09-25 11:10:39,419 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:10:39,420 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 11:10:39,420 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852610051] [2020-09-25 11:10:39,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 11:10:39,421 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:10:39,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 11:10:39,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 11:10:39,422 INFO L87 Difference]: Start difference. First operand 931 states and 1138 transitions. Second operand 3 states. [2020-09-25 11:10:39,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:10:39,498 INFO L93 Difference]: Finished difference Result 1710 states and 2125 transitions. [2020-09-25 11:10:39,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 11:10:39,499 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 255 [2020-09-25 11:10:39,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:10:39,505 INFO L225 Difference]: With dead ends: 1710 [2020-09-25 11:10:39,505 INFO L226 Difference]: Without dead ends: 1124 [2020-09-25 11:10:39,507 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 11:10:39,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1124 states. [2020-09-25 11:10:39,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1124 to 1124. [2020-09-25 11:10:39,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1124 states. [2020-09-25 11:10:39,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 1383 transitions. [2020-09-25 11:10:39,546 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 1383 transitions. Word has length 255 [2020-09-25 11:10:39,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:10:39,546 INFO L479 AbstractCegarLoop]: Abstraction has 1124 states and 1383 transitions. [2020-09-25 11:10:39,547 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 11:10:39,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1383 transitions. [2020-09-25 11:10:39,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2020-09-25 11:10:39,553 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:10:39,553 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] [2020-09-25 11:10:39,554 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 11:10:39,554 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:10:39,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:10:39,554 INFO L82 PathProgramCache]: Analyzing trace with hash -439196917, now seen corresponding path program 1 times [2020-09-25 11:10:39,555 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:10:39,555 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1847679578] [2020-09-25 11:10:39,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:10:39,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:10:39,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:39,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:10:39,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 289 [2020-09-25 11:10:39,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:10:39,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 231 [2020-09-25 11:10:39,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:10:39,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:10:39,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:10:39,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 215 [2020-09-25 11:10:39,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-25 11:10:39,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:10:39,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:10:39,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:10:39,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:10:39,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:10:39,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:10:39,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:10:39,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:10:39,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:10:39,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:10:39,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:10:39,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:10:39,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:10:39,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:10:39,972 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-09-25 11:10:39,972 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1847679578] [2020-09-25 11:10:39,973 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:10:39,973 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 11:10:39,974 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763036233] [2020-09-25 11:10:39,974 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 11:10:39,975 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:10:39,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 11:10:39,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 11:10:39,975 INFO L87 Difference]: Start difference. First operand 1124 states and 1383 transitions. Second operand 3 states. [2020-09-25 11:10:40,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:10:40,240 INFO L93 Difference]: Finished difference Result 2406 states and 3110 transitions. [2020-09-25 11:10:40,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 11:10:40,241 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 280 [2020-09-25 11:10:40,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:10:40,249 INFO L225 Difference]: With dead ends: 2406 [2020-09-25 11:10:40,249 INFO L226 Difference]: Without dead ends: 1429 [2020-09-25 11:10:40,252 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 11:10:40,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1429 states. [2020-09-25 11:10:40,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1429 to 1344. [2020-09-25 11:10:40,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1344 states. [2020-09-25 11:10:40,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 1344 states and 1648 transitions. [2020-09-25 11:10:40,313 INFO L78 Accepts]: Start accepts. Automaton has 1344 states and 1648 transitions. Word has length 280 [2020-09-25 11:10:40,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:10:40,314 INFO L479 AbstractCegarLoop]: Abstraction has 1344 states and 1648 transitions. [2020-09-25 11:10:40,314 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 11:10:40,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 1648 transitions. [2020-09-25 11:10:40,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2020-09-25 11:10:40,326 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:10:40,326 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] [2020-09-25 11:10:40,327 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 11:10:40,327 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:10:40,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:10:40,328 INFO L82 PathProgramCache]: Analyzing trace with hash -802173269, now seen corresponding path program 1 times [2020-09-25 11:10:40,328 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:10:40,329 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [552609588] [2020-09-25 11:10:40,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:10:40,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 11:10:40,435 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 11:10:40,436 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 11:10:40,443 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-25 11:10:40,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 11:10:40 BoogieIcfgContainer [2020-09-25 11:10:40,485 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 11:10:40,490 INFO L168 Benchmark]: Toolchain (without parser) took 8471.81 ms. Allocated memory was 141.6 MB in the beginning and 391.6 MB in the end (delta: 250.1 MB). Free memory was 102.8 MB in the beginning and 337.5 MB in the end (delta: -234.6 MB). Peak memory consumption was 201.6 MB. Max. memory is 7.1 GB. [2020-09-25 11:10:40,491 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 141.6 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 11:10:40,492 INFO L168 Benchmark]: CACSL2BoogieTranslator took 539.46 ms. Allocated memory was 141.6 MB in the beginning and 205.0 MB in the end (delta: 63.4 MB). Free memory was 102.2 MB in the beginning and 180.3 MB in the end (delta: -78.1 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. [2020-09-25 11:10:40,493 INFO L168 Benchmark]: Boogie Preprocessor took 61.97 ms. Allocated memory is still 205.0 MB. Free memory was 180.3 MB in the beginning and 178.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-09-25 11:10:40,494 INFO L168 Benchmark]: RCFGBuilder took 987.64 ms. Allocated memory is still 205.0 MB. Free memory was 177.7 MB in the beginning and 113.0 MB in the end (delta: 64.7 MB). Peak memory consumption was 64.7 MB. Max. memory is 7.1 GB. [2020-09-25 11:10:40,495 INFO L168 Benchmark]: TraceAbstraction took 6874.15 ms. Allocated memory was 205.0 MB in the beginning and 391.6 MB in the end (delta: 186.6 MB). Free memory was 112.4 MB in the beginning and 337.5 MB in the end (delta: -225.1 MB). Peak memory consumption was 147.7 MB. Max. memory is 7.1 GB. [2020-09-25 11:10:40,499 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 141.6 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 539.46 ms. Allocated memory was 141.6 MB in the beginning and 205.0 MB in the end (delta: 63.4 MB). Free memory was 102.2 MB in the beginning and 180.3 MB in the end (delta: -78.1 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 61.97 ms. Allocated memory is still 205.0 MB. Free memory was 180.3 MB in the beginning and 178.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 987.64 ms. Allocated memory is still 205.0 MB. Free memory was 177.7 MB in the beginning and 113.0 MB in the end (delta: 64.7 MB). Peak memory consumption was 64.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6874.15 ms. Allocated memory was 205.0 MB in the beginning and 391.6 MB in the end (delta: 186.6 MB). Free memory was 112.4 MB in the beginning and 337.5 MB in the end (delta: -225.1 MB). Peak memory consumption was 147.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 548]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L553] int s ; [L557] s = 12292 [L558] CALL ssl3_connect(s) [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 = __VERIFIER_nondet_int() ; [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 = __VERIFIER_nondet_int() ; [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 = __VERIFIER_nondet_int() ; [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] unsigned 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 ; [L73] long __cil_tmp65 ; [L77] s__state = initial_state [L78] blastFlag = 0 [L79] tmp = __VERIFIER_nondet_int() [L80] cb = 0 [L81] ret = -1 [L82] skip = 0 [L83] tmp___0 = 0 [L84] COND TRUE s__info_callback != 0 [L85] cb = s__info_callback [L91] s__in_handshake ++ [L92] COND FALSE !(tmp___1 + 12288) [L98] COND TRUE 1 [L100] state = s__state [L101] COND TRUE s__state == 12292 [L203] s__new_session = 1 [L204] s__state = 4096 [L205] s__ctx__stats__sess_connect_renegotiate ++ [L210] s__server = 0 [L211] COND TRUE cb != 0 [L215] __cil_tmp55 = s__version + 65280 [L216] COND FALSE !(__cil_tmp55 != 768) [L221] s__type = 4096 [L222] COND FALSE !(s__init_buf___0 == 0) [L234] COND FALSE !(! tmp___4) [L238] COND FALSE !(! tmp___5) [L242] s__state = 4368 [L243] s__ctx__stats__sess_connect ++ [L244] s__init_num = 0 [L520] COND FALSE !(! s__s3__tmp__reuse_message) [L537] skip = 0 [L98] COND TRUE 1 [L100] state = s__state [L101] COND FALSE !(s__state == 12292) [L104] COND FALSE !(s__state == 16384) [L107] COND FALSE !(s__state == 4096) [L110] COND FALSE !(s__state == 20480) [L113] COND FALSE !(s__state == 4099) [L116] COND TRUE s__state == 4368 [L248] s__shutdown = 0 [L249] ret = __VERIFIER_nondet_int() [L250] COND TRUE blastFlag == 0 [L251] blastFlag = 1 [L253] COND FALSE !(ret <= 0) [L256] s__state = 4384 [L257] s__init_num = 0 [L258] COND TRUE s__bbio != s__wbio [L520] COND FALSE !(! s__s3__tmp__reuse_message) [L537] skip = 0 [L98] COND TRUE 1 [L100] state = s__state [L101] COND FALSE !(s__state == 12292) [L104] COND FALSE !(s__state == 16384) [L107] COND FALSE !(s__state == 4096) [L110] COND FALSE !(s__state == 20480) [L113] COND FALSE !(s__state == 4099) [L116] COND FALSE !(s__state == 4368) [L119] COND FALSE !(s__state == 4369) [L122] COND TRUE s__state == 4384 [L264] ret = __VERIFIER_nondet_int() [L265] COND TRUE blastFlag == 1 [L266] blastFlag = 2 [L268] COND FALSE !(ret <= 0) [L271] COND FALSE !(\read(s__hit)) [L274] s__state = 4400 [L276] s__init_num = 0 [L520] COND FALSE !(! s__s3__tmp__reuse_message) [L537] skip = 0 [L98] COND TRUE 1 [L100] state = s__state [L101] COND FALSE !(s__state == 12292) [L104] COND FALSE !(s__state == 16384) [L107] COND FALSE !(s__state == 4096) [L110] COND FALSE !(s__state == 20480) [L113] COND FALSE !(s__state == 4099) [L116] COND FALSE !(s__state == 4368) [L119] COND FALSE !(s__state == 4369) [L122] COND FALSE !(s__state == 4384) [L125] COND FALSE !(s__state == 4385) [L128] COND TRUE s__state == 4400 [L281] __cil_tmp56 = (unsigned long )s__s3__tmp__new_cipher__algorithms [L282] COND FALSE !(__cil_tmp56 + 256UL) [L285] ret = __VERIFIER_nondet_int() [L286] COND TRUE blastFlag == 2 [L287] blastFlag = 3 [L293] COND FALSE !(ret <= 0) [L298] s__state = 4416 [L299] s__init_num = 0 [L520] COND FALSE !(! s__s3__tmp__reuse_message) [L537] skip = 0 [L98] COND TRUE 1 [L100] state = s__state [L101] COND FALSE !(s__state == 12292) [L104] COND FALSE !(s__state == 16384) [L107] COND FALSE !(s__state == 4096) [L110] COND FALSE !(s__state == 20480) [L113] COND FALSE !(s__state == 4099) [L116] COND FALSE !(s__state == 4368) [L119] COND FALSE !(s__state == 4369) [L122] COND FALSE !(s__state == 4384) [L125] COND FALSE !(s__state == 4385) [L128] COND FALSE !(s__state == 4400) [L131] COND FALSE !(s__state == 4401) [L134] COND TRUE s__state == 4416 [L303] ret = __VERIFIER_nondet_int() [L304] COND TRUE blastFlag == 3 [L305] blastFlag = 4 [L307] COND FALSE !(ret <= 0) [L310] s__state = 4432 [L311] s__init_num = 0 [L312] COND FALSE !(! tmp___6) [L520] COND FALSE !(! s__s3__tmp__reuse_message) [L537] skip = 0 [L98] COND TRUE 1 [L100] state = s__state [L101] COND FALSE !(s__state == 12292) [L104] COND FALSE !(s__state == 16384) [L107] COND FALSE !(s__state == 4096) [L110] COND FALSE !(s__state == 20480) [L113] COND FALSE !(s__state == 4099) [L116] COND FALSE !(s__state == 4368) [L119] COND FALSE !(s__state == 4369) [L122] COND FALSE !(s__state == 4384) [L125] COND FALSE !(s__state == 4385) [L128] COND FALSE !(s__state == 4400) [L131] COND FALSE !(s__state == 4401) [L134] COND FALSE !(s__state == 4416) [L137] COND FALSE !(s__state == 4417) [L140] COND TRUE s__state == 4432 [L319] ret = __VERIFIER_nondet_int() [L320] COND TRUE blastFlag == 4 [L548] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 391 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 6.7s, OverallIterations: 7, TraceHistogramMax: 6, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2498 SDtfs, 1803 SDslu, 2622 SDs, 0 SdLazy, 323 SolverSat, 58 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1344occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 85 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 1613 NumberOfCodeBlocks, 1613 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1327 ConstructedInterpolants, 0 QuantifiedInterpolants, 415421 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 275/275 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...