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_clnt_3.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 09:47:35,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 09:47:35,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 09:47:35,731 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 09:47:35,732 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 09:47:35,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 09:47:35,735 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 09:47:35,737 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 09:47:35,741 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 09:47:35,742 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 09:47:35,743 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 09:47:35,745 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 09:47:35,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 09:47:35,746 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 09:47:35,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 09:47:35,752 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 09:47:35,753 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 09:47:35,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 09:47:35,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 09:47:35,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 09:47:35,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 09:47:35,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 09:47:35,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 09:47:35,769 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 09:47:35,772 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-08 09:47:35,772 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-08 09:47:35,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-08 09:47:35,774 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-08 09:47:35,775 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-08 09:47:35,776 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-08 09:47:35,777 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 09:47:35,779 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 09:47:35,780 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 09:47:35,781 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 09:47:35,783 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 09:47:35,783 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 09:47:35,784 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 09:47:35,784 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 09:47:35,784 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 09:47:35,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 09:47:35,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 09:47:35,789 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 [2019-08-08 09:47:35,814 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 09:47:35,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 09:47:35,816 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 09:47:35,816 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 09:47:35,817 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 09:47:35,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 09:47:35,817 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 09:47:35,817 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 09:47:35,817 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 09:47:35,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 09:47:35,818 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 09:47:35,819 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 09:47:35,819 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 09:47:35,819 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 09:47:35,820 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 09:47:35,820 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 09:47:35,820 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 09:47:35,820 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 09:47:35,821 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 09:47:35,821 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 09:47:35,821 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 09:47:35,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 09:47:35,821 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 09:47:35,822 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 09:47:35,822 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 09:47:35,822 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 09:47:35,822 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 09:47:35,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 09:47:35,823 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 09:47:35,874 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 09:47:35,887 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 09:47:35,891 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 09:47:35,893 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 09:47:35,893 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 09:47:35,894 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_clnt_3.cil-1.c [2019-08-08 09:47:35,973 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99d6076f6/cb1a7c50e8d54b3c89a9b97caeecf2a1/FLAG1a3504ce3 [2019-08-08 09:47:36,483 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 09:47:36,483 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ssh-simplified/s3_clnt_3.cil-1.c [2019-08-08 09:47:36,494 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99d6076f6/cb1a7c50e8d54b3c89a9b97caeecf2a1/FLAG1a3504ce3 [2019-08-08 09:47:36,818 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99d6076f6/cb1a7c50e8d54b3c89a9b97caeecf2a1 [2019-08-08 09:47:36,829 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 09:47:36,831 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 09:47:36,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 09:47:36,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 09:47:36,839 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 09:47:36,840 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 09:47:36" (1/1) ... [2019-08-08 09:47:36,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bed6a37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:47:36, skipping insertion in model container [2019-08-08 09:47:36,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 09:47:36" (1/1) ... [2019-08-08 09:47:36,851 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 09:47:36,902 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 09:47:37,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 09:47:37,182 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 09:47:37,356 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 09:47:37,368 INFO L192 MainTranslator]: Completed translation [2019-08-08 09:47:37,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:47:37 WrapperNode [2019-08-08 09:47:37,369 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 09:47:37,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 09:47:37,370 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 09:47:37,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 09:47:37,380 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:47:37" (1/1) ... [2019-08-08 09:47:37,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:47:37" (1/1) ... [2019-08-08 09:47:37,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:47:37" (1/1) ... [2019-08-08 09:47:37,388 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:47:37" (1/1) ... [2019-08-08 09:47:37,399 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:47:37" (1/1) ... [2019-08-08 09:47:37,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:47:37" (1/1) ... [2019-08-08 09:47:37,414 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:47:37" (1/1) ... [2019-08-08 09:47:37,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 09:47:37,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 09:47:37,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 09:47:37,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 09:47:37,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 09:47:37" (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 [2019-08-08 09:47:37,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 09:47:37,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 09:47:37,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2019-08-08 09:47:37,479 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 09:47:37,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 09:47:37,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 09:47:37,480 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2019-08-08 09:47:37,480 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 09:47:37,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 09:47:37,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 09:47:37,614 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-08 09:47:38,588 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2019-08-08 09:47:38,588 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2019-08-08 09:47:38,601 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 09:47:38,602 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 09:47:38,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 09:47:38 BoogieIcfgContainer [2019-08-08 09:47:38,604 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 09:47:38,604 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 09:47:38,604 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 09:47:38,605 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 09:47:38,606 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 09:47:38" (1/1) ... [2019-08-08 09:47:38,617 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 09:47:38,620 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 09:47:38,628 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 09:47:38,636 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 09:47:38,637 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 09:47:38,672 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-08 09:47:38,681 INFO L185 IcfgInterpreter]: Interpreting procedure ssl3_connect with input of size 3