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 -i ../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 09:48:51,673 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 09:48:51,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 09:48:51,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 09:48:51,688 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 09:48:51,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 09:48:51,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 09:48:51,693 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 09:48:51,694 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 09:48:51,695 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 09:48:51,696 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 09:48:51,697 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 09:48:51,698 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 09:48:51,699 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 09:48:51,700 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 09:48:51,701 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 09:48:51,702 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 09:48:51,703 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 09:48:51,704 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 09:48:51,707 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 09:48:51,708 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 09:48:51,710 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 09:48:51,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 09:48:51,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 09:48:51,714 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-08 09:48:51,715 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-08 09:48:51,715 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-08 09:48:51,716 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-08 09:48:51,716 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-08 09:48:51,718 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-08 09:48:51,718 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 09:48:51,719 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 09:48:51,719 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 09:48:51,720 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 09:48:51,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 09:48:51,722 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 09:48:51,722 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 09:48:51,722 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 09:48:51,723 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 09:48:51,724 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 09:48:51,724 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 09:48:51,725 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 [2019-08-08 09:48:51,740 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 09:48:51,740 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 09:48:51,741 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 09:48:51,742 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 09:48:51,742 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 09:48:51,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 09:48:51,742 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 09:48:51,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 09:48:51,743 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 09:48:51,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 09:48:51,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 09:48:51,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 09:48:51,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 09:48:51,744 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 09:48:51,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 09:48:51,744 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 09:48:51,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 09:48:51,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 09:48:51,745 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 09:48:51,745 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 09:48:51,745 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 09:48:51,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 09:48:51,746 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 09:48:51,746 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 09:48:51,746 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 09:48:51,746 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 09:48:51,746 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 09:48:51,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 09:48:51,747 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 09:48:51,775 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 09:48:51,788 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 09:48:51,792 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 09:48:51,793 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 09:48:51,793 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 09:48:51,794 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_11.cil.c [2019-08-08 09:48:51,867 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11547d5bb/bf4fafd78bec4e10a9df1d6c7c13a880/FLAGd584ac3d4 [2019-08-08 09:48:52,418 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 09:48:52,419 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ssh-simplified/s3_srvr_11.cil.c [2019-08-08 09:48:52,434 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11547d5bb/bf4fafd78bec4e10a9df1d6c7c13a880/FLAGd584ac3d4 [2019-08-08 09:48:52,728 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11547d5bb/bf4fafd78bec4e10a9df1d6c7c13a880 [2019-08-08 09:48:52,737 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 09:48:52,739 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 09:48:52,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 09:48:52,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 09:48:52,744 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 09:48:52,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 09:48:52" (1/1) ... [2019-08-08 09:48:52,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74cdce3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:48:52, skipping insertion in model container [2019-08-08 09:48:52,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 09:48:52" (1/1) ... [2019-08-08 09:48:52,756 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 09:48:52,802 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 09:48:53,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 09:48:53,088 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 09:48:53,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 09:48:53,279 INFO L192 MainTranslator]: Completed translation [2019-08-08 09:48:53,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:48:53 WrapperNode [2019-08-08 09:48:53,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 09:48:53,281 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 09:48:53,281 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 09:48:53,282 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 09:48:53,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:48:53" (1/1) ... [2019-08-08 09:48:53,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:48:53" (1/1) ... [2019-08-08 09:48:53,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:48:53" (1/1) ... [2019-08-08 09:48:53,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:48:53" (1/1) ... [2019-08-08 09:48:53,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:48:53" (1/1) ... [2019-08-08 09:48:53,332 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:48:53" (1/1) ... [2019-08-08 09:48:53,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:48:53" (1/1) ... [2019-08-08 09:48:53,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 09:48:53,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 09:48:53,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 09:48:53,341 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 09:48:53,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:48:53" (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 [2019-08-08 09:48:53,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 09:48:53,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 09:48:53,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2019-08-08 09:48:53,392 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 09:48:53,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 09:48:53,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-08 09:48:53,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 09:48:53,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-08-08 09:48:53,394 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-08-08 09:48:53,394 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-08-08 09:48:53,394 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2019-08-08 09:48:53,394 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 09:48:53,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 09:48:53,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 09:48:53,607 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-08 09:48:54,714 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2019-08-08 09:48:54,714 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2019-08-08 09:48:54,717 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 09:48:54,718 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 09:48:54,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 09:48:54 BoogieIcfgContainer [2019-08-08 09:48:54,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 09:48:54,720 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 09:48:54,720 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 09:48:54,720 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 09:48:54,721 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 09:48:54" (1/1) ... [2019-08-08 09:48:54,738 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 09:48:54,753 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 09:48:54,777 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 09:48:54,786 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 09:48:54,788 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 09:48:54,833 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-08 09:48:54,841 INFO L185 IcfgInterpreter]: Interpreting procedure ssl3_accept with input of size 3