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 0.1.24-584d7b9 [2019-08-30 02:34:24,455 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-30 02:34:24,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-30 02:34:24,470 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-30 02:34:24,471 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-30 02:34:24,472 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-30 02:34:24,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-30 02:34:24,475 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-30 02:34:24,477 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-30 02:34:24,478 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-30 02:34:24,479 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-30 02:34:24,480 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-30 02:34:24,480 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-30 02:34:24,481 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-30 02:34:24,482 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-30 02:34:24,483 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-30 02:34:24,484 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-30 02:34:24,485 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-30 02:34:24,486 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-30 02:34:24,488 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-30 02:34:24,490 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-30 02:34:24,491 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-30 02:34:24,492 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-30 02:34:24,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-30 02:34:24,494 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-30 02:34:24,495 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-30 02:34:24,495 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-30 02:34:24,496 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-30 02:34:24,496 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-30 02:34:24,497 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-30 02:34:24,497 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-30 02:34:24,498 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-30 02:34:24,499 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-30 02:34:24,499 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-30 02:34:24,500 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-30 02:34:24,501 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-30 02:34:24,501 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-30 02:34:24,501 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-30 02:34:24,502 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-30 02:34:24,503 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-30 02:34:24,503 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-30 02:34:24,504 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 02:34:24,518 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-30 02:34:24,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-30 02:34:24,520 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-30 02:34:24,520 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-30 02:34:24,520 INFO L138 SettingsManager]: * Use SBE=true [2019-08-30 02:34:24,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-30 02:34:24,521 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-30 02:34:24,521 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-30 02:34:24,521 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-30 02:34:24,521 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-30 02:34:24,521 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-30 02:34:24,522 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-30 02:34:24,522 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-30 02:34:24,522 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-30 02:34:24,522 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-30 02:34:24,522 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-30 02:34:24,523 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-30 02:34:24,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-30 02:34:24,523 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-30 02:34:24,523 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-30 02:34:24,523 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-30 02:34:24,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-30 02:34:24,524 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-30 02:34:24,524 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-30 02:34:24,524 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-30 02:34:24,525 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-30 02:34:24,525 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-30 02:34:24,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-30 02:34:24,525 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-30 02:34:24,572 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-30 02:34:24,589 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-30 02:34:24,593 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-30 02:34:24,595 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-30 02:34:24,595 INFO L275 PluginConnector]: CDTParser initialized [2019-08-30 02:34:24,596 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_11.cil.c [2019-08-30 02:34:24,660 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f44ad4ae0/9b53d7c173b64b9cb5198216a894ca91/FLAG8bd27df10 [2019-08-30 02:34:25,128 INFO L306 CDTParser]: Found 1 translation units. [2019-08-30 02:34:25,129 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ssh-simplified/s3_srvr_11.cil.c [2019-08-30 02:34:25,145 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f44ad4ae0/9b53d7c173b64b9cb5198216a894ca91/FLAG8bd27df10 [2019-08-30 02:34:25,503 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f44ad4ae0/9b53d7c173b64b9cb5198216a894ca91 [2019-08-30 02:34:25,513 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-30 02:34:25,515 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-30 02:34:25,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-30 02:34:25,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-30 02:34:25,519 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-30 02:34:25,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:34:25" (1/1) ... [2019-08-30 02:34:25,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44f5373e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:34:25, skipping insertion in model container [2019-08-30 02:34:25,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:34:25" (1/1) ... [2019-08-30 02:34:25,531 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-30 02:34:25,597 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-30 02:34:25,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-30 02:34:25,886 INFO L188 MainTranslator]: Completed pre-run [2019-08-30 02:34:26,050 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-30 02:34:26,070 INFO L192 MainTranslator]: Completed translation [2019-08-30 02:34:26,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:34:26 WrapperNode [2019-08-30 02:34:26,071 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-30 02:34:26,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-30 02:34:26,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-30 02:34:26,072 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-30 02:34:26,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:34:26" (1/1) ... [2019-08-30 02:34:26,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:34:26" (1/1) ... [2019-08-30 02:34:26,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:34:26" (1/1) ... [2019-08-30 02:34:26,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:34:26" (1/1) ... [2019-08-30 02:34:26,111 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:34:26" (1/1) ... [2019-08-30 02:34:26,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:34:26" (1/1) ... [2019-08-30 02:34:26,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:34:26" (1/1) ... [2019-08-30 02:34:26,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-30 02:34:26,136 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-30 02:34:26,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-30 02:34:26,137 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-30 02:34:26,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:34:26" (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 02:34:26,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-30 02:34:26,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-30 02:34:26,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2019-08-30 02:34:26,200 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-30 02:34:26,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-30 02:34:26,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-30 02:34:26,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-30 02:34:26,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-08-30 02:34:26,201 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-08-30 02:34:26,201 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-08-30 02:34:26,201 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2019-08-30 02:34:26,201 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-30 02:34:26,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-30 02:34:26,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-30 02:34:26,436 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-30 02:34:27,058 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2019-08-30 02:34:27,058 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2019-08-30 02:34:27,062 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-30 02:34:27,062 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-30 02:34:27,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:34:27 BoogieIcfgContainer [2019-08-30 02:34:27,064 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-30 02:34:27,065 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-30 02:34:27,065 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-30 02:34:27,066 INFO L275 PluginConnector]: Sifa initialized [2019-08-30 02:34:27,067 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:34:27" (1/1) ... [2019-08-30 02:34:27,124 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-30 02:34:27,125 INFO L169 IcfgInterpreter]: Building call graph [2019-08-30 02:34:27,135 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-30 02:34:27,150 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-30 02:34:27,151 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-30 02:34:27,207 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-08-30 02:34:27,218 INFO L199 IcfgInterpreter]: Interpreting procedure ssl3_accept with input of size 3 for LOIs