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_12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-17 21:19:59,304 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-17 21:19:59,308 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-17 21:19:59,324 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-17 21:19:59,324 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-17 21:19:59,326 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-17 21:19:59,328 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-17 21:19:59,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-17 21:19:59,343 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-17 21:19:59,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-17 21:19:59,344 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-17 21:19:59,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-17 21:19:59,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-17 21:19:59,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-17 21:19:59,347 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-17 21:19:59,348 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-17 21:19:59,349 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-17 21:19:59,350 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-17 21:19:59,351 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-17 21:19:59,353 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-17 21:19:59,354 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-17 21:19:59,355 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-17 21:19:59,356 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-17 21:19:59,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-17 21:19:59,359 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-17 21:19:59,359 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-17 21:19:59,359 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-17 21:19:59,360 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-17 21:19:59,361 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-17 21:19:59,362 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-17 21:19:59,362 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-17 21:19:59,362 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-17 21:19:59,363 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-17 21:19:59,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-17 21:19:59,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-17 21:19:59,365 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-17 21:19:59,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-17 21:19:59,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-17 21:19:59,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-17 21:19:59,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-17 21:19:59,368 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-17 21:19:59,368 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 [2019-08-17 21:19:59,382 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-17 21:19:59,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-17 21:19:59,384 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-17 21:19:59,386 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-17 21:19:59,386 INFO L138 SettingsManager]: * Use SBE=true [2019-08-17 21:19:59,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-17 21:19:59,387 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-17 21:19:59,387 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-17 21:19:59,387 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-17 21:19:59,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-17 21:19:59,387 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-17 21:19:59,387 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-17 21:19:59,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-17 21:19:59,388 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-17 21:19:59,388 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-17 21:19:59,388 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-17 21:19:59,388 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-17 21:19:59,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-17 21:19:59,389 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-17 21:19:59,389 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-17 21:19:59,390 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-17 21:19:59,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-17 21:19:59,391 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-17 21:19:59,391 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-17 21:19:59,391 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-17 21:19:59,391 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-17 21:19:59,391 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-17 21:19:59,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-17 21:19:59,392 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-17 21:19:59,427 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-17 21:19:59,439 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-17 21:19:59,442 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-17 21:19:59,444 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-17 21:19:59,444 INFO L275 PluginConnector]: CDTParser initialized [2019-08-17 21:19:59,445 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_12.cil.c [2019-08-17 21:19:59,508 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3ad211f2/45344aebb1af425c9c4ee6630aa93047/FLAGeff2e8683 [2019-08-17 21:19:59,998 INFO L306 CDTParser]: Found 1 translation units. [2019-08-17 21:20:00,001 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ssh-simplified/s3_srvr_12.cil.c [2019-08-17 21:20:00,017 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3ad211f2/45344aebb1af425c9c4ee6630aa93047/FLAGeff2e8683 [2019-08-17 21:20:00,340 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3ad211f2/45344aebb1af425c9c4ee6630aa93047 [2019-08-17 21:20:00,349 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-17 21:20:00,351 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-17 21:20:00,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-17 21:20:00,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-17 21:20:00,355 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-17 21:20:00,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:20:00" (1/1) ... [2019-08-17 21:20:00,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54dc84aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:20:00, skipping insertion in model container [2019-08-17 21:20:00,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:20:00" (1/1) ... [2019-08-17 21:20:00,367 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-17 21:20:00,413 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-17 21:20:00,751 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:20:00,755 INFO L188 MainTranslator]: Completed pre-run [2019-08-17 21:20:00,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:20:00,863 INFO L192 MainTranslator]: Completed translation [2019-08-17 21:20:00,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:20:00 WrapperNode [2019-08-17 21:20:00,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-17 21:20:00,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-17 21:20:00,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-17 21:20:00,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-17 21:20:00,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:20:00" (1/1) ... [2019-08-17 21:20:00,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:20:00" (1/1) ... [2019-08-17 21:20:00,893 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:20:00" (1/1) ... [2019-08-17 21:20:00,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:20:00" (1/1) ... [2019-08-17 21:20:00,909 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:20:00" (1/1) ... [2019-08-17 21:20:00,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:20:00" (1/1) ... [2019-08-17 21:20:00,929 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:20:00" (1/1) ... [2019-08-17 21:20:00,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-17 21:20:00,935 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-17 21:20:00,935 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-17 21:20:00,935 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-17 21:20:00,936 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:20:00" (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 [2019-08-17 21:20:01,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-17 21:20:01,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-17 21:20:01,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_accept [2019-08-17 21:20:01,005 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-17 21:20:01,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-17 21:20:01,006 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-17 21:20:01,006 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-17 21:20:01,006 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-08-17 21:20:01,007 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-08-17 21:20:01,008 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-08-17 21:20:01,008 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_accept [2019-08-17 21:20:01,008 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-17 21:20:01,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-17 21:20:01,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-17 21:20:01,231 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-17 21:20:01,879 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2019-08-17 21:20:01,879 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2019-08-17 21:20:01,882 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-17 21:20:01,882 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-17 21:20:01,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:20:01 BoogieIcfgContainer [2019-08-17 21:20:01,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-17 21:20:01,884 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-17 21:20:01,884 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-17 21:20:01,884 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-17 21:20:01,885 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:20:01" (1/1) ... [2019-08-17 21:20:01,897 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-17 21:20:01,900 INFO L155 IcfgInterpreter]: Building call graph [2019-08-17 21:20:01,908 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-17 21:20:01,917 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-17 21:20:01,918 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-17 21:20:01,957 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-17 21:20:01,968 INFO L185 IcfgInterpreter]: Interpreting procedure ssl3_accept with input of size 3