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 TopInputCallSummarizer --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-fea9116 [2019-09-20 14:06:58,364 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 14:06:58,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 14:06:58,377 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 14:06:58,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 14:06:58,379 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 14:06:58,380 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 14:06:58,381 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 14:06:58,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 14:06:58,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 14:06:58,385 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 14:06:58,386 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 14:06:58,386 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 14:06:58,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 14:06:58,388 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 14:06:58,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 14:06:58,390 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 14:06:58,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 14:06:58,392 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 14:06:58,394 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 14:06:58,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 14:06:58,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 14:06:58,398 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 14:06:58,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 14:06:58,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 14:06:58,401 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 14:06:58,401 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 14:06:58,402 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 14:06:58,403 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 14:06:58,404 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 14:06:58,404 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 14:06:58,405 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 14:06:58,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 14:06:58,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 14:06:58,407 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 14:06:58,407 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 14:06:58,408 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 14:06:58,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 14:06:58,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 14:06:58,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 14:06:58,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 14:06:58,411 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 [2019-09-20 14:06:58,425 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 14:06:58,426 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 14:06:58,427 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 14:06:58,427 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 14:06:58,427 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 14:06:58,427 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 14:06:58,428 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 14:06:58,428 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 14:06:58,428 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 14:06:58,428 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 14:06:58,428 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 14:06:58,429 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 14:06:58,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 14:06:58,429 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 14:06:58,429 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 14:06:58,429 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 14:06:58,429 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 14:06:58,430 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 14:06:58,430 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 14:06:58,430 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 14:06:58,430 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 14:06:58,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 14:06:58,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 14:06:58,431 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 14:06:58,431 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 14:06:58,431 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 14:06:58,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 14:06:58,432 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 14:06:58,432 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 -> TopInputCallSummarizer 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 [2019-09-20 14:06:58,465 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 14:06:58,480 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 14:06:58,482 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 14:06:58,483 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 14:06:58,484 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 14:06:58,484 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_1.cil-1.c [2019-09-20 14:06:58,555 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8231b4bd6/b50fcb9f760e43eebb0ded6401fb7b05/FLAGedc987608 [2019-09-20 14:06:59,032 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 14:06:59,032 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ssh-simplified/s3_clnt_1.cil-1.c [2019-09-20 14:06:59,042 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8231b4bd6/b50fcb9f760e43eebb0ded6401fb7b05/FLAGedc987608 [2019-09-20 14:06:59,376 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8231b4bd6/b50fcb9f760e43eebb0ded6401fb7b05 [2019-09-20 14:06:59,389 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 14:06:59,391 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 14:06:59,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 14:06:59,392 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 14:06:59,394 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 14:06:59,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:06:59" (1/1) ... [2019-09-20 14:06:59,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30d5737b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:06:59, skipping insertion in model container [2019-09-20 14:06:59,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:06:59" (1/1) ... [2019-09-20 14:06:59,405 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 14:06:59,459 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 14:06:59,838 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:06:59,845 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 14:07:00,063 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:07:00,077 INFO L192 MainTranslator]: Completed translation [2019-09-20 14:07:00,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:07:00 WrapperNode [2019-09-20 14:07:00,078 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 14:07:00,078 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 14:07:00,078 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 14:07:00,078 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 14:07:00,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:07:00" (1/1) ... [2019-09-20 14:07:00,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:07:00" (1/1) ... [2019-09-20 14:07:00,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:07:00" (1/1) ... [2019-09-20 14:07:00,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:07:00" (1/1) ... [2019-09-20 14:07:00,121 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:07:00" (1/1) ... [2019-09-20 14:07:00,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:07:00" (1/1) ... [2019-09-20 14:07:00,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:07:00" (1/1) ... [2019-09-20 14:07:00,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 14:07:00,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 14:07:00,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 14:07:00,156 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 14:07:00,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:07:00" (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 [2019-09-20 14:07:00,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 14:07:00,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 14:07:00,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2019-09-20 14:07:00,217 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 14:07:00,217 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 14:07:00,217 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 14:07:00,217 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 14:07:00,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-20 14:07:00,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 14:07:00,218 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2019-09-20 14:07:00,218 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 14:07:00,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 14:07:00,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 14:07:00,441 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 14:07:00,864 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2019-09-20 14:07:00,865 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2019-09-20 14:07:01,206 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 14:07:01,206 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 14:07:01,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:07:01 BoogieIcfgContainer [2019-09-20 14:07:01,207 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 14:07:01,208 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 14:07:01,208 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 14:07:01,208 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 14:07:01,210 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:07:01" (1/1) ... [2019-09-20 14:07:01,211 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 14:07:01,239 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 14:07:01,239 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 14:07:01,251 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 14:07:01,259 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 14:07:01,260 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 14:07:01,304 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-20 14:07:01,313 INFO L199 IcfgInterpreter]: Interpreting procedure ssl3_connect with input of size 3 for LOIs