/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_3.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 18:53:37,552 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 18:53:37,554 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 18:53:37,566 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 18:53:37,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 18:53:37,568 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 18:53:37,569 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 18:53:37,571 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 18:53:37,573 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 18:53:37,574 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 18:53:37,575 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 18:53:37,576 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 18:53:37,576 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 18:53:37,577 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 18:53:37,578 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 18:53:37,580 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 18:53:37,580 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 18:53:37,581 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 18:53:37,583 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 18:53:37,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 18:53:37,587 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 18:53:37,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 18:53:37,589 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 18:53:37,590 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 18:53:37,593 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 18:53:37,593 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 18:53:37,593 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 18:53:37,594 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 18:53:37,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 18:53:37,596 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 18:53:37,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 18:53:37,597 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 18:53:37,598 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 18:53:37,599 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 18:53:37,600 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 18:53:37,601 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 18:53:37,601 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 18:53:37,602 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 18:53:37,602 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 18:53:37,603 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 18:53:37,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 18:53:37,605 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 18:53:37,625 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 18:53:37,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 18:53:37,627 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 18:53:37,627 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 18:53:37,627 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 18:53:37,627 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 18:53:37,628 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 18:53:37,628 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 18:53:37,628 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 18:53:37,628 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 18:53:37,629 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 18:53:37,629 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 18:53:37,629 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 18:53:37,629 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 18:53:37,630 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 18:53:37,630 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 18:53:37,631 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 18:53:37,631 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 18:53:37,631 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 18:53:37,631 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 18:53:37,632 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 18:53:37,632 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 18:53:37,632 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 18:53:37,632 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 18:53:37,632 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 18:53:37,633 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 18:53:37,633 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 18:53:37,633 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 18:53:37,633 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 18:53:37,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 18:53:37,634 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 18:53:37,634 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 18:53:37,634 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 18:53:37,634 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 18:53:37,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 18:53:37,635 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 18:53:37,635 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 18:53:37,635 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 18:53:37,897 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 18:53:37,914 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 18:53:37,917 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 18:53:37,919 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 18:53:37,919 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 18:53:37,920 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_3.cil.c [2019-11-24 18:53:37,981 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f25d0af4b/6cca8d32d1df45debe7fb70ffb3ca02d/FLAG267c2aa0f [2019-11-24 18:53:38,427 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 18:53:38,428 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ssh-simplified/s3_srvr_3.cil.c [2019-11-24 18:53:38,440 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f25d0af4b/6cca8d32d1df45debe7fb70ffb3ca02d/FLAG267c2aa0f [2019-11-24 18:53:38,815 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f25d0af4b/6cca8d32d1df45debe7fb70ffb3ca02d [2019-11-24 18:53:38,825 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 18:53:38,827 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 18:53:38,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 18:53:38,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 18:53:38,837 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 18:53:38,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:53:38" (1/1) ... [2019-11-24 18:53:38,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b72cd94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:53:38, skipping insertion in model container [2019-11-24 18:53:38,841 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:53:38" (1/1) ... [2019-11-24 18:53:38,849 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 18:53:38,911 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 18:53:39,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 18:53:39,180 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 18:53:39,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 18:53:39,342 INFO L208 MainTranslator]: Completed translation [2019-11-24 18:53:39,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:53:39 WrapperNode [2019-11-24 18:53:39,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 18:53:39,343 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 18:53:39,344 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 18:53:39,344 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 18:53:39,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:53:39" (1/1) ... [2019-11-24 18:53:39,363 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:53:39" (1/1) ... [2019-11-24 18:53:39,409 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 18:53:39,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 18:53:39,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 18:53:39,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 18:53:39,422 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:53:39" (1/1) ... [2019-11-24 18:53:39,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:53:39" (1/1) ... [2019-11-24 18:53:39,427 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:53:39" (1/1) ... [2019-11-24 18:53:39,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:53:39" (1/1) ... [2019-11-24 18:53:39,437 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:53:39" (1/1) ... [2019-11-24 18:53:39,461 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:53:39" (1/1) ... [2019-11-24 18:53:39,466 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:53:39" (1/1) ... [2019-11-24 18:53:39,470 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 18:53:39,471 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 18:53:39,471 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 18:53:39,471 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 18:53:39,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:53:39" (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 [2019-11-24 18:53:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 18:53:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 18:53:39,697 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-24 18:53:40,299 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2019-11-24 18:53:40,299 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2019-11-24 18:53:40,585 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 18:53:40,585 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 18:53:40,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:53:40 BoogieIcfgContainer [2019-11-24 18:53:40,587 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 18:53:40,587 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 18:53:40,587 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 18:53:40,588 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 18:53:40,589 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:53:40" (1/1) ... [2019-11-24 18:53:40,589 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-24 18:53:40,615 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 18:53:40,615 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 18:53:40,629 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 18:53:40,640 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 18:53:40,642 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs