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_2.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-30 02:42:53,218 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-30 02:42:53,220 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-30 02:42:53,231 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-30 02:42:53,232 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-30 02:42:53,233 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-30 02:42:53,234 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-30 02:42:53,236 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-30 02:42:53,238 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-30 02:42:53,238 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-30 02:42:53,239 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-30 02:42:53,241 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-30 02:42:53,241 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-30 02:42:53,242 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-30 02:42:53,243 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-30 02:42:53,244 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-30 02:42:53,245 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-30 02:42:53,246 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-30 02:42:53,248 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-30 02:42:53,250 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-30 02:42:53,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-30 02:42:53,253 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-30 02:42:53,254 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-30 02:42:53,255 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-30 02:42:53,257 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-30 02:42:53,258 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-30 02:42:53,258 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-30 02:42:53,259 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-30 02:42:53,261 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-30 02:42:53,262 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-30 02:42:53,262 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-30 02:42:53,266 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-30 02:42:53,267 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-30 02:42:53,267 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-30 02:42:53,270 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-30 02:42:53,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-30 02:42:53,271 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-30 02:42:53,271 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-30 02:42:53,271 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-30 02:42:53,272 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-30 02:42:53,273 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-30 02:42:53,273 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 [2019-08-30 02:42:53,307 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-30 02:42:53,307 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-30 02:42:53,309 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-30 02:42:53,310 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-30 02:42:53,310 INFO L138 SettingsManager]: * Use SBE=true [2019-08-30 02:42:53,310 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-30 02:42:53,310 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-30 02:42:53,310 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-30 02:42:53,311 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-30 02:42:53,311 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-30 02:42:53,311 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-30 02:42:53,312 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-30 02:42:53,312 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-30 02:42:53,312 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-30 02:42:53,312 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-30 02:42:53,312 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-30 02:42:53,313 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-30 02:42:53,313 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-30 02:42:53,313 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-30 02:42:53,313 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-30 02:42:53,313 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-30 02:42:53,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-30 02:42:53,314 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-30 02:42:53,314 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-30 02:42:53,314 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-30 02:42:53,314 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-30 02:42:53,315 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-30 02:42:53,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-30 02:42:53,315 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-30 02:42:53,354 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-30 02:42:53,366 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-30 02:42:53,369 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-30 02:42:53,371 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-30 02:42:53,371 INFO L275 PluginConnector]: CDTParser initialized [2019-08-30 02:42:53,372 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_2.cil-2.c [2019-08-30 02:42:53,431 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b690864a/84aef6a3ca834e4ebf2c7ac4f25a63ae/FLAG8215cd1c4 [2019-08-30 02:42:53,913 INFO L306 CDTParser]: Found 1 translation units. [2019-08-30 02:42:53,917 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ssh-simplified/s3_srvr_2.cil-2.c [2019-08-30 02:42:53,935 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b690864a/84aef6a3ca834e4ebf2c7ac4f25a63ae/FLAG8215cd1c4 [2019-08-30 02:42:54,263 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b690864a/84aef6a3ca834e4ebf2c7ac4f25a63ae [2019-08-30 02:42:54,275 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-30 02:42:54,277 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-30 02:42:54,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-30 02:42:54,278 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-30 02:42:54,282 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-30 02:42:54,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:42:54" (1/1) ... [2019-08-30 02:42:54,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a206d6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:42:54, skipping insertion in model container [2019-08-30 02:42:54,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:42:54" (1/1) ... [2019-08-30 02:42:54,295 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-30 02:42:54,359 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-30 02:42:54,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-30 02:42:54,821 INFO L188 MainTranslator]: Completed pre-run [2019-08-30 02:42:54,890 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-30 02:42:54,912 INFO L192 MainTranslator]: Completed translation [2019-08-30 02:42:54,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:42:54 WrapperNode [2019-08-30 02:42:54,913 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-30 02:42:54,914 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-30 02:42:54,914 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-30 02:42:54,914 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-30 02:42:54,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:42:54" (1/1) ... [2019-08-30 02:42:54,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:42:54" (1/1) ... [2019-08-30 02:42:54,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:42:54" (1/1) ... [2019-08-30 02:42:54,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:42:54" (1/1) ... [2019-08-30 02:42:54,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:42:54" (1/1) ... [2019-08-30 02:42:54,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:42:54" (1/1) ... [2019-08-30 02:42:54,964 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:42:54" (1/1) ... [2019-08-30 02:42:54,968 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-30 02:42:54,969 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-30 02:42:54,969 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-30 02:42:54,969 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-30 02:42:54,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:42:54" (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 [2019-08-30 02:42:55,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-30 02:42:55,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-30 02:42:55,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2019-08-30 02:42:55,033 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-30 02:42:55,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-30 02:42:55,034 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-30 02:42:55,034 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-30 02:42:55,034 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-08-30 02:42:55,034 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-08-30 02:42:55,034 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2019-08-30 02:42:55,035 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-30 02:42:55,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-30 02:42:55,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-30 02:42:55,298 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-30 02:42:55,740 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2019-08-30 02:42:55,741 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2019-08-30 02:42:55,743 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-30 02:42:55,743 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-30 02:42:55,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:42:55 BoogieIcfgContainer [2019-08-30 02:42:55,745 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-30 02:42:55,746 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-30 02:42:55,746 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-30 02:42:55,746 INFO L275 PluginConnector]: Sifa initialized [2019-08-30 02:42:55,747 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:42:55" (1/1) ... [2019-08-30 02:42:55,784 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-30 02:42:55,784 INFO L169 IcfgInterpreter]: Building call graph [2019-08-30 02:42:55,793 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-30 02:42:55,802 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-30 02:42:55,804 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-30 02:42:55,880 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-08-30 02:42:55,898 INFO L199 IcfgInterpreter]: Interpreting procedure ssl3_accept with input of size 3 for LOIs