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-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 19:25:41,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 19:25:41,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 19:25:41,396 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 19:25:41,397 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 19:25:41,398 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 19:25:41,399 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 19:25:41,401 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 19:25:41,402 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 19:25:41,403 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 19:25:41,404 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 19:25:41,405 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 19:25:41,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 19:25:41,406 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 19:25:41,407 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 19:25:41,408 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 19:25:41,409 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 19:25:41,410 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 19:25:41,412 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 19:25:41,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 19:25:41,415 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 19:25:41,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 19:25:41,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 19:25:41,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 19:25:41,421 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 19:25:41,424 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-22 19:25:41,424 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-22 19:25:41,425 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-22 19:25:41,426 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-22 19:25:41,427 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-22 19:25:41,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-22 19:25:41,428 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-22 19:25:41,428 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-22 19:25:41,428 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 19:25:41,429 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 19:25:41,430 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 19:25:41,431 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 [2019-08-22 19:25:41,445 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 19:25:41,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 19:25:41,446 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 19:25:41,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 19:25:41,447 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 19:25:41,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 19:25:41,447 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 19:25:41,448 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 19:25:41,448 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 19:25:41,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 19:25:41,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 19:25:41,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 19:25:41,449 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 19:25:41,449 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 19:25:41,449 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 19:25:41,449 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 19:25:41,449 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 19:25:41,450 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 19:25:41,450 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 19:25:41,450 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 19:25:41,450 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 19:25:41,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 19:25:41,451 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 19:25:41,451 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 19:25:41,451 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 19:25:41,451 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 19:25:41,451 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 19:25:41,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 19:25:41,452 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 19:25:41,480 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 19:25:41,492 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 19:25:41,495 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 19:25:41,496 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 19:25:41,497 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 19:25:41,498 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_2.cil-1.c [2019-08-22 19:25:41,553 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9e5918ae/d0241694b5e346c6bb0e16144328666d/FLAGe4a58a8b3 [2019-08-22 19:25:42,018 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 19:25:42,018 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ssh-simplified/s3_srvr_2.cil-1.c [2019-08-22 19:25:42,039 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9e5918ae/d0241694b5e346c6bb0e16144328666d/FLAGe4a58a8b3 [2019-08-22 19:25:42,369 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9e5918ae/d0241694b5e346c6bb0e16144328666d [2019-08-22 19:25:42,379 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 19:25:42,381 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 19:25:42,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 19:25:42,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 19:25:42,385 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 19:25:42,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:25:42" (1/1) ... [2019-08-22 19:25:42,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34590819 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:25:42, skipping insertion in model container [2019-08-22 19:25:42,389 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:25:42" (1/1) ... [2019-08-22 19:25:42,397 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 19:25:42,456 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 19:25:42,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 19:25:42,762 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 19:25:42,912 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 19:25:42,932 INFO L192 MainTranslator]: Completed translation [2019-08-22 19:25:42,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:25:42 WrapperNode [2019-08-22 19:25:42,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 19:25:42,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 19:25:42,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 19:25:42,934 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 19:25:42,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:25:42" (1/1) ... [2019-08-22 19:25:42,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:25:42" (1/1) ... [2019-08-22 19:25:42,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:25:42" (1/1) ... [2019-08-22 19:25:42,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:25:42" (1/1) ... [2019-08-22 19:25:42,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:25:42" (1/1) ... [2019-08-22 19:25:42,979 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:25:42" (1/1) ... [2019-08-22 19:25:42,982 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:25:42" (1/1) ... [2019-08-22 19:25:42,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 19:25:42,992 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 19:25:42,992 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 19:25:42,992 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 19:25:42,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:25:42" (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 [2019-08-22 19:25:43,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 19:25:43,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 19:25:43,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2019-08-22 19:25:43,051 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 19:25:43,051 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 19:25:43,051 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-22 19:25:43,051 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-22 19:25:43,051 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-08-22 19:25:43,051 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-08-22 19:25:43,052 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2019-08-22 19:25:43,052 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 19:25:43,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 19:25:43,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 19:25:43,276 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-22 19:25:43,829 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2019-08-22 19:25:43,830 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2019-08-22 19:25:43,834 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 19:25:43,835 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-22 19:25:43,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:25:43 BoogieIcfgContainer [2019-08-22 19:25:43,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 19:25:43,837 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 19:25:43,838 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 19:25:43,838 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 19:25:43,839 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:25:43" (1/1) ... [2019-08-22 19:25:43,874 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 19:25:43,879 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 19:25:43,893 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 19:25:43,900 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 19:25:43,902 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 19:25:43,961 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-22 19:25:43,973 INFO L185 IcfgInterpreter]: Interpreting procedure ssl3_accept with input of size 3