/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/product-lines/email_spec6_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 17:29:41,853 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 17:29:41,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 17:29:41,876 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 17:29:41,876 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 17:29:41,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 17:29:41,880 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 17:29:41,889 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 17:29:41,891 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 17:29:41,891 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 17:29:41,893 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 17:29:41,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 17:29:41,895 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 17:29:41,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 17:29:41,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 17:29:41,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 17:29:41,903 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 17:29:41,905 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 17:29:41,906 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 17:29:41,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 17:29:41,915 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 17:29:41,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 17:29:41,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 17:29:41,917 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 17:29:41,920 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 17:29:41,920 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 17:29:41,921 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 17:29:41,922 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 17:29:41,923 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 17:29:41,924 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 17:29:41,924 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 17:29:41,926 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 17:29:41,927 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 17:29:41,927 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 17:29:41,929 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 17:29:41,929 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 17:29:41,930 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 17:29:41,930 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 17:29:41,930 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 17:29:41,933 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 17:29:41,935 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 17:29:41,935 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 17:29:41,965 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 17:29:41,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 17:29:41,972 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 17:29:41,972 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 17:29:41,972 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 17:29:41,972 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 17:29:41,972 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 17:29:41,973 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 17:29:41,973 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 17:29:41,973 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 17:29:41,973 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 17:29:41,973 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 17:29:41,974 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 17:29:41,974 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 17:29:41,974 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 17:29:41,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 17:29:41,975 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 17:29:41,975 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 17:29:41,975 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 17:29:41,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 17:29:41,975 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 17:29:41,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 17:29:41,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 17:29:41,976 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 17:29:41,976 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 17:29:41,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 17:29:41,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 17:29:41,977 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 17:29:41,977 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 17:29:41,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 17:29:41,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 17:29:41,978 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 17:29:41,978 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 17:29:41,978 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 17:29:41,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 17:29:41,979 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 17:29:41,979 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 17:29:41,979 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 17:29:42,227 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 17:29:42,241 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 17:29:42,244 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 17:29:42,245 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 17:29:42,246 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 17:29:42,246 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec6_product28.cil.c [2019-11-24 17:29:42,313 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23c12a8bf/596513008e91432190ed80c28622f85a/FLAG19a0c9c8b [2019-11-24 17:29:42,880 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 17:29:42,880 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec6_product28.cil.c [2019-11-24 17:29:42,902 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23c12a8bf/596513008e91432190ed80c28622f85a/FLAG19a0c9c8b [2019-11-24 17:29:43,149 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23c12a8bf/596513008e91432190ed80c28622f85a [2019-11-24 17:29:43,157 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 17:29:43,158 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 17:29:43,159 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 17:29:43,160 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 17:29:43,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 17:29:43,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:29:43" (1/1) ... [2019-11-24 17:29:43,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57150996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:43, skipping insertion in model container [2019-11-24 17:29:43,167 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:29:43" (1/1) ... [2019-11-24 17:29:43,174 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 17:29:43,239 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 17:29:43,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 17:29:43,953 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 17:29:44,114 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 17:29:44,217 INFO L208 MainTranslator]: Completed translation [2019-11-24 17:29:44,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:44 WrapperNode [2019-11-24 17:29:44,217 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 17:29:44,218 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 17:29:44,218 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 17:29:44,219 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 17:29:44,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:44" (1/1) ... [2019-11-24 17:29:44,259 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:44" (1/1) ... [2019-11-24 17:29:44,363 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 17:29:44,364 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 17:29:44,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 17:29:44,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 17:29:44,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:44" (1/1) ... [2019-11-24 17:29:44,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:44" (1/1) ... [2019-11-24 17:29:44,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:44" (1/1) ... [2019-11-24 17:29:44,398 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:44" (1/1) ... [2019-11-24 17:29:44,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:44" (1/1) ... [2019-11-24 17:29:44,482 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:44" (1/1) ... [2019-11-24 17:29:44,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:44" (1/1) ... [2019-11-24 17:29:44,511 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 17:29:44,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 17:29:44,512 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 17:29:44,512 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 17:29:44,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:29:44" (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 17:29:44,586 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-24 17:29:44,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 17:29:44,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 17:29:44,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 17:29:44,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 17:29:52,019 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 17:29:52,019 INFO L284 CfgBuilder]: Removed 303 assume(true) statements. [2019-11-24 17:29:52,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:29:52 BoogieIcfgContainer [2019-11-24 17:29:52,021 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 17:29:52,021 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 17:29:52,022 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 17:29:52,022 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 17:29:52,023 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:29:52" (1/1) ... [2019-11-24 17:29:52,024 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 17:29:52,054 INFO L159 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-11-24 17:29:52,055 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 17:29:52,063 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 17:29:52,070 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 17:29:52,072 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 17:30:54,319 WARN L192 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 711 [2019-11-24 17:30:58,930 WARN L192 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 343 DAG size of output: 279 [2019-11-24 17:30:59,348 WARN L192 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 757 [2019-11-24 17:31:00,935 WARN L192 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 1113 [2019-11-24 17:31:01,738 WARN L192 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 1113 [2019-11-24 17:31:02,388 WARN L192 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 1113 [2019-11-24 17:31:04,284 WARN L192 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 1463 [2019-11-24 17:31:05,985 WARN L192 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 1463 [2019-11-24 17:31:07,665 WARN L192 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 1463 [2019-11-24 17:31:10,612 WARN L192 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 1776 DAG size of output: 1762 [2019-11-24 17:31:13,054 WARN L192 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 1776 DAG size of output: 1762 [2019-11-24 17:31:15,398 WARN L192 SmtUtils]: Spent 2.34 s on a formula simplification that was a NOOP. DAG size: 1761 [2019-11-24 17:31:18,236 WARN L192 SmtUtils]: Spent 2.74 s on a formula simplification that was a NOOP. DAG size: 1763