java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_1.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:44:08,447 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:44:08,449 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:44:08,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:44:08,461 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:44:08,462 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:44:08,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:44:08,465 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:44:08,467 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:44:08,468 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:44:08,469 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:44:08,470 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:44:08,471 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:44:08,472 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:44:08,473 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:44:08,474 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:44:08,475 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:44:08,475 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:44:08,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:44:08,480 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:44:08,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:44:08,483 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:44:08,484 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:44:08,485 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:44:08,487 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:44:08,487 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:44:08,488 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:44:08,489 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:44:08,489 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:44:08,490 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:44:08,490 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:44:08,491 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:44:08,492 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:44:08,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:44:08,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:44:08,494 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:44:08,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:44:08,495 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:44:08,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:44:08,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:44:08,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:44:08,497 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 15:44:08,511 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:44:08,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:44:08,513 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:44:08,513 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:44:08,513 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:44:08,514 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:44:08,514 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:44:08,514 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:44:08,514 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:44:08,514 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:44:08,515 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:44:08,515 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:44:08,515 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:44:08,515 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:44:08,515 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:44:08,516 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:44:08,516 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:44:08,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:44:08,516 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:44:08,516 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:44:08,517 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:44:08,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:44:08,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:44:08,517 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:44:08,517 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:44:08,518 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:44:08,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:44:08,518 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:44:08,518 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-20 15:44:08,550 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:44:08,563 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:44:08,566 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:44:08,568 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:44:08,568 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:44:08,569 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_1.cil-1.c [2019-09-20 15:44:08,629 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8401501e0/e198ffe576054ad7aca46600f07a4261/FLAG53680b662 [2019-09-20 15:44:09,138 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:44:09,139 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ssh-simplified/s3_clnt_1.cil-1.c [2019-09-20 15:44:09,158 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8401501e0/e198ffe576054ad7aca46600f07a4261/FLAG53680b662 [2019-09-20 15:44:09,472 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8401501e0/e198ffe576054ad7aca46600f07a4261 [2019-09-20 15:44:09,481 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:44:09,483 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:44:09,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:44:09,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:44:09,487 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:44:09,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:44:09" (1/1) ... [2019-09-20 15:44:09,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4efc6878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:44:09, skipping insertion in model container [2019-09-20 15:44:09,491 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:44:09" (1/1) ... [2019-09-20 15:44:09,497 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:44:09,553 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:44:09,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:44:09,795 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:44:09,949 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:44:09,964 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:44:09,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:44:09 WrapperNode [2019-09-20 15:44:09,965 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:44:09,966 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:44:09,966 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:44:09,966 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:44:09,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:44:09" (1/1) ... [2019-09-20 15:44:09,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:44:09" (1/1) ... [2019-09-20 15:44:09,992 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:44:09" (1/1) ... [2019-09-20 15:44:09,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:44:09" (1/1) ... [2019-09-20 15:44:10,017 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:44:09" (1/1) ... [2019-09-20 15:44:10,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:44:09" (1/1) ... [2019-09-20 15:44:10,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:44:09" (1/1) ... [2019-09-20 15:44:10,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:44:10,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:44:10,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:44:10,058 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:44:10,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:44:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2019-09-20 15:44:10,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:44:10,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:44:10,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2019-09-20 15:44:10,124 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:44:10,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:44:10,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 15:44:10,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:44:10,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-20 15:44:10,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 15:44:10,127 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2019-09-20 15:44:10,127 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:44:10,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:44:10,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:44:10,301 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 15:44:10,836 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2019-09-20 15:44:10,837 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2019-09-20 15:44:11,217 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:44:11,218 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 15:44:11,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:44:11 BoogieIcfgContainer [2019-09-20 15:44:11,219 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:44:11,220 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:44:11,220 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:44:11,220 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:44:11,222 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:44:11" (1/1) ... [2019-09-20 15:44:11,222 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:44:11,251 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:44:11,252 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:44:11,261 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:44:11,276 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:44:11,277 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:44:11,404 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-20 15:44:11,440 INFO L199 IcfgInterpreter]: Interpreting procedure ssl3_connect with input of size 3 for LOIs