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 --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer ReUseSupersetCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_1.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 21:22:31,732 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 21:22:31,734 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 21:22:31,746 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 21:22:31,747 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 21:22:31,748 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 21:22:31,749 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 21:22:31,751 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 21:22:31,753 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 21:22:31,753 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 21:22:31,754 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 21:22:31,755 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 21:22:31,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 21:22:31,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 21:22:31,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 21:22:31,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 21:22:31,759 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 21:22:31,760 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 21:22:31,762 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 21:22:31,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 21:22:31,765 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 21:22:31,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 21:22:31,767 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 21:22:31,768 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 21:22:31,770 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 21:22:31,770 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 21:22:31,770 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 21:22:31,771 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 21:22:31,772 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 21:22:31,773 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 21:22:31,773 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 21:22:31,774 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 21:22:31,774 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 21:22:31,775 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 21:22:31,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 21:22:31,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 21:22:31,777 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 21:22:31,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 21:22:31,777 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 21:22:31,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 21:22:31,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 21:22:31,780 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 [2019-09-18 21:22:31,794 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 21:22:31,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 21:22:31,796 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 21:22:31,796 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 21:22:31,796 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 21:22:31,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 21:22:31,796 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 21:22:31,797 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 21:22:31,797 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 21:22:31,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 21:22:31,797 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 21:22:31,797 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 21:22:31,798 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 21:22:31,798 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 21:22:31,798 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 21:22:31,798 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 21:22:31,799 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 21:22:31,799 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 21:22:31,799 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 21:22:31,799 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 21:22:31,799 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 21:22:31,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 21:22:31,800 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 21:22:31,800 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 21:22:31,800 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 21:22:31,800 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 21:22:31,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 21:22:31,801 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 21:22:31,801 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> ReUseSupersetCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-18 21:22:31,843 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 21:22:31,860 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 21:22:31,865 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 21:22:31,867 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 21:22:31,867 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 21:22:31,870 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_1.cil-1.c [2019-09-18 21:22:31,941 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c456994fa/c9767ae3129840758b705c38613ce756/FLAG865456c66 [2019-09-18 21:22:32,441 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 21:22:32,444 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ssh-simplified/s3_clnt_1.cil-1.c [2019-09-18 21:22:32,459 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c456994fa/c9767ae3129840758b705c38613ce756/FLAG865456c66 [2019-09-18 21:22:32,765 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c456994fa/c9767ae3129840758b705c38613ce756 [2019-09-18 21:22:32,777 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 21:22:32,778 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 21:22:32,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 21:22:32,780 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 21:22:32,783 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 21:22:32,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 09:22:32" (1/1) ... [2019-09-18 21:22:32,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61ff5eee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:22:32, skipping insertion in model container [2019-09-18 21:22:32,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 09:22:32" (1/1) ... [2019-09-18 21:22:32,795 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 21:22:32,848 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 21:22:33,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 21:22:33,117 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 21:22:33,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 21:22:33,281 INFO L192 MainTranslator]: Completed translation [2019-09-18 21:22:33,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:22:33 WrapperNode [2019-09-18 21:22:33,282 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 21:22:33,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 21:22:33,283 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 21:22:33,283 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 21:22:33,296 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:22:33" (1/1) ... [2019-09-18 21:22:33,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:22:33" (1/1) ... [2019-09-18 21:22:33,306 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:22:33" (1/1) ... [2019-09-18 21:22:33,307 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:22:33" (1/1) ... [2019-09-18 21:22:33,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:22:33" (1/1) ... [2019-09-18 21:22:33,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:22:33" (1/1) ... [2019-09-18 21:22:33,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:22:33" (1/1) ... [2019-09-18 21:22:33,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 21:22:33,339 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 21:22:33,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 21:22:33,339 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 21:22:33,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:22:33" (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 [2019-09-18 21:22:33,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 21:22:33,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 21:22:33,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2019-09-18 21:22:33,398 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 21:22:33,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 21:22:33,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-18 21:22:33,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 21:22:33,399 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-18 21:22:33,399 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-18 21:22:33,399 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2019-09-18 21:22:33,399 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 21:22:33,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 21:22:33,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 21:22:33,556 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-18 21:22:34,059 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2019-09-18 21:22:34,060 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2019-09-18 21:22:34,378 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 21:22:34,379 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-18 21:22:34,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 09:22:34 BoogieIcfgContainer [2019-09-18 21:22:34,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 21:22:34,381 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 21:22:34,381 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 21:22:34,382 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 21:22:34,383 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 09:22:34" (1/1) ... [2019-09-18 21:22:34,384 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 21:22:34,411 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 21:22:34,412 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 21:22:34,421 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 21:22:34,433 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 21:22:34,435 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 21:22:34,494 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-18 21:22:34,505 INFO L199 IcfgInterpreter]: Interpreting procedure ssl3_connect with input of size 3 for LOIs