/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_3.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 20:59:06,420 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 20:59:06,423 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 20:59:06,445 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 20:59:06,446 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 20:59:06,447 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 20:59:06,448 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 20:59:06,450 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 20:59:06,451 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 20:59:06,452 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 20:59:06,453 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 20:59:06,454 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 20:59:06,454 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 20:59:06,455 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 20:59:06,456 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 20:59:06,457 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 20:59:06,458 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 20:59:06,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 20:59:06,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 20:59:06,462 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 20:59:06,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 20:59:06,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 20:59:06,465 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 20:59:06,466 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 20:59:06,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 20:59:06,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 20:59:06,468 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 20:59:06,469 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 20:59:06,470 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 20:59:06,470 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 20:59:06,471 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 20:59:06,471 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 20:59:06,472 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 20:59:06,473 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 20:59:06,474 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 20:59:06,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 20:59:06,474 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 20:59:06,475 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 20:59:06,475 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 20:59:06,476 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 20:59:06,476 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 20:59:06,477 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 20:59:06,499 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 20:59:06,500 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 20:59:06,501 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 20:59:06,501 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 20:59:06,501 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 20:59:06,501 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 20:59:06,502 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 20:59:06,502 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 20:59:06,502 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 20:59:06,502 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 20:59:06,502 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 20:59:06,502 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 20:59:06,503 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 20:59:06,503 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 20:59:06,503 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 20:59:06,503 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 20:59:06,503 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 20:59:06,504 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 20:59:06,504 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 20:59:06,504 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 20:59:06,504 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 20:59:06,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 20:59:06,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 20:59:06,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 20:59:06,505 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 20:59:06,505 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 20:59:06,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 20:59:06,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 20:59:06,506 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 20:59:06,506 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 20:59:06,810 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 20:59:06,823 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 20:59:06,826 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 20:59:06,827 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 20:59:06,827 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 20:59:06,828 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_3.cil-2.c [2020-10-12 20:59:06,897 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a7c6e7801/1f6ec18ea01a41409cc1b91adbca835b/FLAGdfd7eec94 [2020-10-12 20:59:07,371 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 20:59:07,372 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ssh-simplified/s3_clnt_3.cil-2.c [2020-10-12 20:59:07,383 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a7c6e7801/1f6ec18ea01a41409cc1b91adbca835b/FLAGdfd7eec94 [2020-10-12 20:59:07,708 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a7c6e7801/1f6ec18ea01a41409cc1b91adbca835b [2020-10-12 20:59:07,718 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 20:59:07,720 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 20:59:07,721 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 20:59:07,721 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 20:59:07,725 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 20:59:07,725 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 08:59:07" (1/1) ... [2020-10-12 20:59:07,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f3e4b4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:59:07, skipping insertion in model container [2020-10-12 20:59:07,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 08:59:07" (1/1) ... [2020-10-12 20:59:07,736 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 20:59:07,779 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 20:59:08,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 20:59:08,049 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 20:59:08,203 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 20:59:08,216 INFO L208 MainTranslator]: Completed translation [2020-10-12 20:59:08,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:59:08 WrapperNode [2020-10-12 20:59:08,217 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 20:59:08,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 20:59:08,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 20:59:08,218 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 20:59:08,227 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:59:08" (1/1) ... [2020-10-12 20:59:08,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:59:08" (1/1) ... [2020-10-12 20:59:08,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:59:08" (1/1) ... [2020-10-12 20:59:08,238 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:59:08" (1/1) ... [2020-10-12 20:59:08,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:59:08" (1/1) ... [2020-10-12 20:59:08,264 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:59:08" (1/1) ... [2020-10-12 20:59:08,267 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:59:08" (1/1) ... [2020-10-12 20:59:08,272 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 20:59:08,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 20:59:08,272 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 20:59:08,272 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 20:59:08,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:59:08" (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 20:59:08,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 20:59:08,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 20:59:08,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2020-10-12 20:59:08,336 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 20:59:08,336 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 20:59:08,336 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-12 20:59:08,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 20:59:08,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-12 20:59:08,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-12 20:59:08,337 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2020-10-12 20:59:08,337 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 20:59:08,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 20:59:08,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 20:59:08,534 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 20:59:08,978 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-10-12 20:59:08,979 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-10-12 20:59:08,995 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 20:59:08,996 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-12 20:59:09,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 08:59:09 BoogieIcfgContainer [2020-10-12 20:59:09,001 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 20:59:09,002 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 20:59:09,003 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 20:59:09,006 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 20:59:09,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 08:59:07" (1/3) ... [2020-10-12 20:59:09,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39c5a376 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 08:59:09, skipping insertion in model container [2020-10-12 20:59:09,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:59:08" (2/3) ... [2020-10-12 20:59:09,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39c5a376 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 08:59:09, skipping insertion in model container [2020-10-12 20:59:09,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 08:59:09" (3/3) ... [2020-10-12 20:59:09,009 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.cil-2.c [2020-10-12 20:59:09,020 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 20:59:09,027 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 20:59:09,042 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 20:59:09,068 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 20:59:09,068 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 20:59:09,068 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 20:59:09,069 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 20:59:09,069 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 20:59:09,069 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 20:59:09,069 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 20:59:09,069 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 20:59:09,092 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states. [2020-10-12 20:59:09,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-12 20:59:09,101 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:59:09,102 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 20:59:09,102 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:59:09,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:59:09,109 INFO L82 PathProgramCache]: Analyzing trace with hash 173387410, now seen corresponding path program 1 times [2020-10-12 20:59:09,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:59:09,118 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1614551638] [2020-10-12 20:59:09,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:59:09,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:09,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:09,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:09,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:09,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:09,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-12 20:59:09,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 20:59:09,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 513 [2020-10-12 20:59:09,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:09,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 20:59:09,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 20:59:09,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 20:59:09,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 20:59:09,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:59:09,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:09,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:09,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:09,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:59:09,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:59:09,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:59:09,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:09,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:59:09,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:59:09,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:59:09,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:09,903 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 20:59:09,903 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1614551638] [2020-10-12 20:59:09,905 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:59:09,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 20:59:09,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142543870] [2020-10-12 20:59:09,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 20:59:09,911 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:59:09,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 20:59:09,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-12 20:59:09,928 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 5 states. [2020-10-12 20:59:10,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:59:10,138 INFO L93 Difference]: Finished difference Result 263 states and 438 transitions. [2020-10-12 20:59:10,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 20:59:10,140 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-10-12 20:59:10,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:59:10,153 INFO L225 Difference]: With dead ends: 263 [2020-10-12 20:59:10,153 INFO L226 Difference]: Without dead ends: 120 [2020-10-12 20:59:10,157 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-12 20:59:10,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-10-12 20:59:10,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-10-12 20:59:10,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-10-12 20:59:10,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 177 transitions. [2020-10-12 20:59:10,209 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 177 transitions. Word has length 29 [2020-10-12 20:59:10,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:59:10,209 INFO L479 AbstractCegarLoop]: Abstraction has 120 states and 177 transitions. [2020-10-12 20:59:10,210 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 20:59:10,210 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 177 transitions. [2020-10-12 20:59:10,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-12 20:59:10,212 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:59:10,212 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 20:59:10,212 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 20:59:10,213 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:59:10,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:59:10,213 INFO L82 PathProgramCache]: Analyzing trace with hash -1901611800, now seen corresponding path program 1 times [2020-10-12 20:59:10,213 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:59:10,214 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [409760717] [2020-10-12 20:59:10,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:59:10,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:10,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:10,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:10,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:10,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:10,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-12 20:59:10,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 20:59:10,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 317 [2020-10-12 20:59:10,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:10,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:59:10,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 20:59:10,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 20:59:10,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 20:59:10,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:59:10,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:10,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:10,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:10,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:59:10,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:59:10,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:59:10,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:10,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:59:10,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:59:10,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:59:10,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:10,604 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 20:59:10,605 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [409760717] [2020-10-12 20:59:10,606 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:59:10,606 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:59:10,607 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158659002] [2020-10-12 20:59:10,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:59:10,617 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:59:10,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:59:10,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:59:10,617 INFO L87 Difference]: Start difference. First operand 120 states and 177 transitions. Second operand 3 states. [2020-10-12 20:59:10,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:59:10,669 INFO L93 Difference]: Finished difference Result 328 states and 492 transitions. [2020-10-12 20:59:10,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:59:10,670 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2020-10-12 20:59:10,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:59:10,673 INFO L225 Difference]: With dead ends: 328 [2020-10-12 20:59:10,673 INFO L226 Difference]: Without dead ends: 223 [2020-10-12 20:59:10,675 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:59:10,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2020-10-12 20:59:10,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2020-10-12 20:59:10,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-10-12 20:59:10,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 329 transitions. [2020-10-12 20:59:10,697 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 329 transitions. Word has length 42 [2020-10-12 20:59:10,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:59:10,697 INFO L479 AbstractCegarLoop]: Abstraction has 223 states and 329 transitions. [2020-10-12 20:59:10,698 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:59:10,698 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 329 transitions. [2020-10-12 20:59:10,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-12 20:59:10,700 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:59:10,701 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 20:59:10,701 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 20:59:10,701 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:59:10,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:59:10,702 INFO L82 PathProgramCache]: Analyzing trace with hash 578664657, now seen corresponding path program 1 times [2020-10-12 20:59:10,702 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:59:10,702 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1780820667] [2020-10-12 20:59:10,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:59:10,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:10,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:10,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:10,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:10,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:10,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-12 20:59:10,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 20:59:10,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 205 [2020-10-12 20:59:10,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:10,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:59:10,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-12 20:59:10,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 20:59:10,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:10,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:59:10,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:10,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:10,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:10,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:59:10,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:59:10,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:59:10,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:10,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:59:10,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:59:10,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:59:10,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:10,970 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 20:59:10,971 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1780820667] [2020-10-12 20:59:10,971 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:59:10,971 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:59:10,971 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826452935] [2020-10-12 20:59:10,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:59:10,972 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:59:10,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:59:10,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:59:10,973 INFO L87 Difference]: Start difference. First operand 223 states and 329 transitions. Second operand 3 states. [2020-10-12 20:59:11,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:59:11,018 INFO L93 Difference]: Finished difference Result 431 states and 644 transitions. [2020-10-12 20:59:11,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:59:11,019 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-10-12 20:59:11,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:59:11,022 INFO L225 Difference]: With dead ends: 431 [2020-10-12 20:59:11,022 INFO L226 Difference]: Without dead ends: 326 [2020-10-12 20:59:11,023 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:59:11,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2020-10-12 20:59:11,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 326. [2020-10-12 20:59:11,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2020-10-12 20:59:11,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 482 transitions. [2020-10-12 20:59:11,049 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 482 transitions. Word has length 56 [2020-10-12 20:59:11,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:59:11,050 INFO L479 AbstractCegarLoop]: Abstraction has 326 states and 482 transitions. [2020-10-12 20:59:11,050 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:59:11,050 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 482 transitions. [2020-10-12 20:59:11,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-10-12 20:59:11,059 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:59:11,059 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 20:59:11,059 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 20:59:11,059 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:59:11,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:59:11,060 INFO L82 PathProgramCache]: Analyzing trace with hash -1328448030, now seen corresponding path program 1 times [2020-10-12 20:59:11,062 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:59:11,062 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [229335030] [2020-10-12 20:59:11,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:59:11,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:11,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:11,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:11,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:11,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 20:59:11,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 20:59:11,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 214 [2020-10-12 20:59:11,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:11,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:59:11,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-12 20:59:11,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 20:59:11,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:11,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:59:11,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:11,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:11,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:11,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:59:11,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:59:11,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:59:11,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:11,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:59:11,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:59:11,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:59:11,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:11,340 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 20:59:11,340 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [229335030] [2020-10-12 20:59:11,340 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:59:11,340 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:59:11,341 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928866404] [2020-10-12 20:59:11,341 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:59:11,341 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:59:11,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:59:11,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:59:11,342 INFO L87 Difference]: Start difference. First operand 326 states and 482 transitions. Second operand 3 states. [2020-10-12 20:59:11,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:59:11,527 INFO L93 Difference]: Finished difference Result 790 states and 1212 transitions. [2020-10-12 20:59:11,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:59:11,528 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2020-10-12 20:59:11,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:59:11,531 INFO L225 Difference]: With dead ends: 790 [2020-10-12 20:59:11,531 INFO L226 Difference]: Without dead ends: 476 [2020-10-12 20:59:11,533 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:59:11,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2020-10-12 20:59:11,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 449. [2020-10-12 20:59:11,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2020-10-12 20:59:11,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 632 transitions. [2020-10-12 20:59:11,551 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 632 transitions. Word has length 73 [2020-10-12 20:59:11,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:59:11,551 INFO L479 AbstractCegarLoop]: Abstraction has 449 states and 632 transitions. [2020-10-12 20:59:11,551 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:59:11,551 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 632 transitions. [2020-10-12 20:59:11,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-10-12 20:59:11,553 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:59:11,554 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 20:59:11,554 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 20:59:11,554 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:59:11,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:59:11,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1161080932, now seen corresponding path program 1 times [2020-10-12 20:59:11,555 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:59:11,555 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [314014074] [2020-10-12 20:59:11,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:59:11,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:11,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:11,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:11,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:11,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:11,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 20:59:11,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 20:59:11,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 273 [2020-10-12 20:59:11,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:11,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:59:11,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-12 20:59:11,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 20:59:11,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:11,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:59:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:11,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:11,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:11,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:59:11,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:59:11,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:59:11,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:11,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:59:11,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:59:11,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:59:11,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:11,892 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 20:59:11,893 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [314014074] [2020-10-12 20:59:11,893 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:59:11,893 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:59:11,894 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737092680] [2020-10-12 20:59:11,894 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:59:11,894 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:59:11,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:59:11,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:59:11,895 INFO L87 Difference]: Start difference. First operand 449 states and 632 transitions. Second operand 3 states. [2020-10-12 20:59:12,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:59:12,072 INFO L93 Difference]: Finished difference Result 1051 states and 1531 transitions. [2020-10-12 20:59:12,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:59:12,073 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2020-10-12 20:59:12,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:59:12,077 INFO L225 Difference]: With dead ends: 1051 [2020-10-12 20:59:12,077 INFO L226 Difference]: Without dead ends: 617 [2020-10-12 20:59:12,079 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:59:12,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2020-10-12 20:59:12,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 572. [2020-10-12 20:59:12,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 572 states. [2020-10-12 20:59:12,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 572 states and 791 transitions. [2020-10-12 20:59:12,097 INFO L78 Accepts]: Start accepts. Automaton has 572 states and 791 transitions. Word has length 73 [2020-10-12 20:59:12,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:59:12,097 INFO L479 AbstractCegarLoop]: Abstraction has 572 states and 791 transitions. [2020-10-12 20:59:12,097 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:59:12,097 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 791 transitions. [2020-10-12 20:59:12,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-12 20:59:12,099 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:59:12,100 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] [2020-10-12 20:59:12,100 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 20:59:12,100 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:59:12,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:59:12,100 INFO L82 PathProgramCache]: Analyzing trace with hash 1203914429, now seen corresponding path program 1 times [2020-10-12 20:59:12,101 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:59:12,101 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [984401724] [2020-10-12 20:59:12,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:59:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:12,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:12,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:12,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:12,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:12,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-12 20:59:12,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 20:59:12,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 352 [2020-10-12 20:59:12,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:12,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:59:12,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76 [2020-10-12 20:59:12,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 20:59:12,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 21 [2020-10-12 20:59:12,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:59:12,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:12,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:12,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:12,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:59:12,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:59:12,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:59:12,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:12,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:59:12,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:59:12,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:59:12,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:12,553 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 20:59:12,553 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [984401724] [2020-10-12 20:59:12,554 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:59:12,554 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:59:12,554 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285340177] [2020-10-12 20:59:12,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:59:12,555 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:59:12,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:59:12,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:59:12,555 INFO L87 Difference]: Start difference. First operand 572 states and 791 transitions. Second operand 3 states. [2020-10-12 20:59:12,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:59:12,731 INFO L93 Difference]: Finished difference Result 1288 states and 1837 transitions. [2020-10-12 20:59:12,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:59:12,731 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 90 [2020-10-12 20:59:12,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:59:12,736 INFO L225 Difference]: With dead ends: 1288 [2020-10-12 20:59:12,736 INFO L226 Difference]: Without dead ends: 731 [2020-10-12 20:59:12,737 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:59:12,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2020-10-12 20:59:12,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 635. [2020-10-12 20:59:12,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 635 states. [2020-10-12 20:59:12,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 896 transitions. [2020-10-12 20:59:12,755 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 896 transitions. Word has length 90 [2020-10-12 20:59:12,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:59:12,755 INFO L479 AbstractCegarLoop]: Abstraction has 635 states and 896 transitions. [2020-10-12 20:59:12,755 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:59:12,756 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 896 transitions. [2020-10-12 20:59:12,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-12 20:59:12,758 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:59:12,758 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] [2020-10-12 20:59:12,758 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 20:59:12,758 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:59:12,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:59:12,759 INFO L82 PathProgramCache]: Analyzing trace with hash -957002635, now seen corresponding path program 1 times [2020-10-12 20:59:12,759 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:59:12,759 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [276414990] [2020-10-12 20:59:12,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:59:12,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:12,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:12,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:12,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-12 20:59:12,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:59:12,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-12 20:59:12,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:12,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 20:59:12,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-12 20:59:12,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-12 20:59:12,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:12,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 20:59:12,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 20:59:12,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 20:59:12,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 20:59:12,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 20:59:12,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 20:59:12,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 20:59:12,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 20:59:12,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 20:59:12,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 20:59:12,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 20:59:12,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 20:59:12,941 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 20:59:12,942 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [276414990] [2020-10-12 20:59:12,942 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 20:59:12,942 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-12 20:59:12,943 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163753043] [2020-10-12 20:59:12,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-12 20:59:12,943 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 20:59:12,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-12 20:59:12,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:59:12,944 INFO L87 Difference]: Start difference. First operand 635 states and 896 transitions. Second operand 3 states. [2020-10-12 20:59:12,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 20:59:12,988 INFO L93 Difference]: Finished difference Result 1255 states and 1778 transitions. [2020-10-12 20:59:12,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 20:59:12,988 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 110 [2020-10-12 20:59:12,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 20:59:12,993 INFO L225 Difference]: With dead ends: 1255 [2020-10-12 20:59:12,993 INFO L226 Difference]: Without dead ends: 841 [2020-10-12 20:59:12,994 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-12 20:59:12,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2020-10-12 20:59:13,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 841. [2020-10-12 20:59:13,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 841 states. [2020-10-12 20:59:13,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 1188 transitions. [2020-10-12 20:59:13,016 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 1188 transitions. Word has length 110 [2020-10-12 20:59:13,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 20:59:13,017 INFO L479 AbstractCegarLoop]: Abstraction has 841 states and 1188 transitions. [2020-10-12 20:59:13,017 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-12 20:59:13,017 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1188 transitions. [2020-10-12 20:59:13,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-12 20:59:13,019 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 20:59:13,020 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] [2020-10-12 20:59:13,020 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 20:59:13,020 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 20:59:13,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 20:59:13,020 INFO L82 PathProgramCache]: Analyzing trace with hash -605456545, now seen corresponding path program 1 times [2020-10-12 20:59:13,021 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 20:59:13,021 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1727427294] [2020-10-12 20:59:13,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 20:59:13,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-12 20:59:13,073 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-12 20:59:13,074 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-12 20:59:13,078 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 20:59:13,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 08:59:13 BoogieIcfgContainer [2020-10-12 20:59:13,107 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 20:59:13,109 INFO L168 Benchmark]: Toolchain (without parser) took 5389.23 ms. Allocated memory was 139.5 MB in the beginning and 340.8 MB in the end (delta: 201.3 MB). Free memory was 102.0 MB in the beginning and 304.2 MB in the end (delta: -202.2 MB). Peak memory consumption was 171.0 MB. Max. memory is 7.1 GB. [2020-10-12 20:59:13,110 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-12 20:59:13,111 INFO L168 Benchmark]: CACSL2BoogieTranslator took 496.59 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 101.8 MB in the beginning and 177.0 MB in the end (delta: -75.2 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2020-10-12 20:59:13,112 INFO L168 Benchmark]: Boogie Preprocessor took 54.25 ms. Allocated memory is still 201.9 MB. Free memory was 177.0 MB in the beginning and 174.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-12 20:59:13,112 INFO L168 Benchmark]: RCFGBuilder took 728.98 ms. Allocated memory is still 201.9 MB. Free memory was 174.3 MB in the beginning and 125.5 MB in the end (delta: 48.9 MB). Peak memory consumption was 48.9 MB. Max. memory is 7.1 GB. [2020-10-12 20:59:13,113 INFO L168 Benchmark]: TraceAbstraction took 4104.33 ms. Allocated memory was 201.9 MB in the beginning and 340.8 MB in the end (delta: 138.9 MB). Free memory was 124.8 MB in the beginning and 304.2 MB in the end (delta: -179.4 MB). Peak memory consumption was 131.3 MB. Max. memory is 7.1 GB. [2020-10-12 20:59:13,119 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 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 496.59 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 101.8 MB in the beginning and 177.0 MB in the end (delta: -75.2 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 54.25 ms. Allocated memory is still 201.9 MB. Free memory was 177.0 MB in the beginning and 174.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 728.98 ms. Allocated memory is still 201.9 MB. Free memory was 174.3 MB in the beginning and 125.5 MB in the end (delta: 48.9 MB). Peak memory consumption was 48.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4104.33 ms. Allocated memory was 201.9 MB in the beginning and 340.8 MB in the end (delta: 138.9 MB). Free memory was 124.8 MB in the beginning and 304.2 MB in the end (delta: -179.4 MB). Peak memory consumption was 131.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 573]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L578] int s ; [L582] s = 12292 [L583] CALL ssl3_connect(s) [L12] int s__info_callback = __VERIFIER_nondet_int() ; [L13] int s__in_handshake = __VERIFIER_nondet_int() ; [L14] int s__state ; [L15] int s__new_session ; [L16] int s__server ; [L17] int s__version = __VERIFIER_nondet_int() ; [L18] int s__type ; [L19] int s__init_num ; [L20] int s__bbio = __VERIFIER_nondet_int() ; [L21] int s__wbio = __VERIFIER_nondet_int() ; [L22] int s__hit = __VERIFIER_nondet_int() ; [L23] int s__rwstate ; [L24] int s__init_buf___0 = __VERIFIER_nondet_int() ; [L25] int s__debug = __VERIFIER_nondet_int() ; [L26] int s__shutdown ; [L27] int s__ctx__info_callback = __VERIFIER_nondet_int() ; [L28] int s__ctx__stats__sess_connect_renegotiate = __VERIFIER_nondet_int() ; [L29] int s__ctx__stats__sess_connect = __VERIFIER_nondet_int() ; [L30] int s__ctx__stats__sess_hit = __VERIFIER_nondet_int() ; [L31] int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_int() ; [L32] int s__s3__change_cipher_spec ; [L33] int s__s3__flags = __VERIFIER_nondet_int() ; [L34] int s__s3__delay_buf_pop_ret ; [L35] int s__s3__tmp__cert_req = __VERIFIER_nondet_int() ; [L36] int s__s3__tmp__new_compression = __VERIFIER_nondet_int() ; [L37] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int() ; [L38] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ; [L39] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int() ; [L40] int s__s3__tmp__next_state___0 ; [L41] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int() ; [L42] int s__session__cipher ; [L43] int s__session__compress_meth ; [L44] int buf ; [L45] unsigned long tmp ; [L46] unsigned long l ; [L47] int num1 = __VERIFIER_nondet_int() ; [L48] int cb ; [L49] int ret ; [L50] int new_state ; [L51] int state ; [L52] int skip ; [L53] int tmp___0 ; [L54] int tmp___1 = __VERIFIER_nondet_int() ; [L55] int tmp___2 = __VERIFIER_nondet_int() ; [L56] int tmp___3 = __VERIFIER_nondet_int() ; [L57] int tmp___4 = __VERIFIER_nondet_int() ; [L58] int tmp___5 = __VERIFIER_nondet_int() ; [L59] int tmp___6 = __VERIFIER_nondet_int() ; [L60] int tmp___7 = __VERIFIER_nondet_int() ; [L61] int tmp___8 = __VERIFIER_nondet_int() ; [L62] int tmp___9 = __VERIFIER_nondet_int() ; [L63] int blastFlag ; [L64] int __cil_tmp55 ; [L65] void *__cil_tmp56 ; [L66] unsigned long __cil_tmp57 ; [L67] unsigned long __cil_tmp58 = __VERIFIER_nondet_ulong() ; [L68] void *__cil_tmp59 ; [L69] unsigned long __cil_tmp60 ; [L70] unsigned long __cil_tmp61 ; [L71] unsigned long __cil_tmp62 ; [L72] unsigned long __cil_tmp63 ; [L73] unsigned long __cil_tmp64 ; [L74] long __cil_tmp65 = __VERIFIER_nondet_long() ; [L75] long __cil_tmp66 ; [L76] long __cil_tmp67 ; [L77] long __cil_tmp68 ; [L78] long __cil_tmp69 ; [L79] long __cil_tmp70 = __VERIFIER_nondet_long() ; [L80] long __cil_tmp71 ; [L81] long __cil_tmp72 ; [L82] long __cil_tmp73 ; [L83] long __cil_tmp74 ; [L87] s__state = initial_state [L88] blastFlag = 0 [L89] tmp = __VERIFIER_nondet_int() [L90] cb = 0 [L91] ret = -1 [L92] skip = 0 [L93] tmp___0 = 0 [L94] COND TRUE s__info_callback != 0 [L95] cb = s__info_callback [L101] s__in_handshake ++ [L102] COND FALSE !(tmp___1 + 12288) [L108] COND TRUE 1 [L110] state = s__state [L111] COND TRUE s__state == 12292 [L213] s__new_session = 1 [L214] s__state = 4096 [L215] s__ctx__stats__sess_connect_renegotiate ++ [L220] s__server = 0 [L221] COND TRUE cb != 0 [L225] __cil_tmp55 = s__version + 65280 [L226] COND FALSE !(__cil_tmp55 != 768) [L231] s__type = 4096 [L233] __cil_tmp56 = (void *)0 [L234] __cil_tmp57 = (unsigned long )__cil_tmp56 [L235] __cil_tmp58 = (unsigned long )s__init_buf___0 [L236] COND FALSE !(__cil_tmp58 == __cil_tmp57) [L254] COND FALSE !(! tmp___4) [L258] COND FALSE !(! tmp___5) [L262] s__state = 4368 [L263] s__ctx__stats__sess_connect ++ [L264] s__init_num = 0 [L545] COND FALSE !(! s__s3__tmp__reuse_message) [L562] skip = 0 [L108] COND TRUE 1 [L110] state = s__state [L111] COND FALSE !(s__state == 12292) [L114] COND FALSE !(s__state == 16384) [L117] COND FALSE !(s__state == 4096) [L120] COND FALSE !(s__state == 20480) [L123] COND FALSE !(s__state == 4099) [L126] COND TRUE s__state == 4368 [L268] s__shutdown = 0 [L269] ret = __VERIFIER_nondet_int() [L270] COND TRUE blastFlag == 0 [L271] blastFlag = 1 [L273] COND FALSE !(ret <= 0) [L276] s__state = 4384 [L277] s__init_num = 0 [L279] __cil_tmp62 = (unsigned long )s__wbio [L280] __cil_tmp63 = (unsigned long )s__bbio [L281] COND TRUE __cil_tmp63 != __cil_tmp62 [L545] COND FALSE !(! s__s3__tmp__reuse_message) [L562] skip = 0 [L108] COND TRUE 1 [L110] state = s__state [L111] COND FALSE !(s__state == 12292) [L114] COND FALSE !(s__state == 16384) [L117] COND FALSE !(s__state == 4096) [L120] COND FALSE !(s__state == 20480) [L123] COND FALSE !(s__state == 4099) [L126] COND FALSE !(s__state == 4368) [L129] COND FALSE !(s__state == 4369) [L132] COND TRUE s__state == 4384 [L288] ret = __VERIFIER_nondet_int() [L289] COND TRUE blastFlag == 1 [L290] blastFlag = 2 [L296] COND FALSE !(ret <= 0) [L299] COND FALSE !(\read(s__hit)) [L302] s__state = 4400 [L304] s__init_num = 0 [L545] COND FALSE !(! s__s3__tmp__reuse_message) [L562] skip = 0 [L108] COND TRUE 1 [L110] state = s__state [L111] COND FALSE !(s__state == 12292) [L114] COND FALSE !(s__state == 16384) [L117] COND FALSE !(s__state == 4096) [L120] COND FALSE !(s__state == 20480) [L123] COND FALSE !(s__state == 4099) [L126] COND FALSE !(s__state == 4368) [L129] COND FALSE !(s__state == 4369) [L132] COND FALSE !(s__state == 4384) [L135] COND FALSE !(s__state == 4385) [L138] COND TRUE s__state == 4400 [L309] __cil_tmp64 = (unsigned long )s__s3__tmp__new_cipher__algorithms [L310] COND FALSE !(__cil_tmp64 + 256UL) [L313] ret = __VERIFIER_nondet_int() [L314] COND TRUE blastFlag == 2 [L315] blastFlag = 3 [L317] COND FALSE !(ret <= 0) [L322] s__state = 4416 [L323] s__init_num = 0 [L545] COND FALSE !(! s__s3__tmp__reuse_message) [L562] skip = 0 [L108] COND TRUE 1 [L110] state = s__state [L111] COND FALSE !(s__state == 12292) [L114] COND FALSE !(s__state == 16384) [L117] COND FALSE !(s__state == 4096) [L120] COND FALSE !(s__state == 20480) [L123] COND FALSE !(s__state == 4099) [L126] COND FALSE !(s__state == 4368) [L129] COND FALSE !(s__state == 4369) [L132] COND FALSE !(s__state == 4384) [L135] COND FALSE !(s__state == 4385) [L138] COND FALSE !(s__state == 4400) [L141] COND FALSE !(s__state == 4401) [L144] COND TRUE s__state == 4416 [L327] ret = __VERIFIER_nondet_int() [L328] COND TRUE blastFlag == 3 [L329] blastFlag = 4 [L331] COND FALSE !(ret <= 0) [L334] s__state = 4432 [L335] s__init_num = 0 [L336] COND FALSE !(! tmp___6) [L545] COND FALSE !(! s__s3__tmp__reuse_message) [L562] skip = 0 [L108] COND TRUE 1 [L110] state = s__state [L111] COND FALSE !(s__state == 12292) [L114] COND FALSE !(s__state == 16384) [L117] COND FALSE !(s__state == 4096) [L120] COND FALSE !(s__state == 20480) [L123] COND FALSE !(s__state == 4099) [L126] COND FALSE !(s__state == 4368) [L129] COND FALSE !(s__state == 4369) [L132] COND FALSE !(s__state == 4384) [L135] COND FALSE !(s__state == 4385) [L138] COND FALSE !(s__state == 4400) [L141] COND FALSE !(s__state == 4401) [L144] COND FALSE !(s__state == 4416) [L147] COND FALSE !(s__state == 4417) [L150] COND TRUE s__state == 4432 [L343] ret = __VERIFIER_nondet_int() [L344] COND TRUE blastFlag == 4 [L573] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 136 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.0s, OverallIterations: 8, TraceHistogramMax: 6, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1184 SDtfs, 813 SDslu, 1015 SDs, 0 SdLazy, 502 SolverSat, 125 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=841occurred 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, 168 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 585 NumberOfCodeBlocks, 585 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 466 ConstructedInterpolants, 0 QuantifiedInterpolants, 59172 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...