/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_spec27_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 17:17:35,228 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 17:17:35,231 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 17:17:35,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 17:17:35,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 17:17:35,250 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 17:17:35,252 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 17:17:35,253 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 17:17:35,255 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 17:17:35,256 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 17:17:35,257 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 17:17:35,258 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 17:17:35,258 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 17:17:35,259 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 17:17:35,260 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 17:17:35,261 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 17:17:35,262 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 17:17:35,263 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 17:17:35,264 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 17:17:35,266 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 17:17:35,268 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 17:17:35,269 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 17:17:35,270 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 17:17:35,270 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 17:17:35,273 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 17:17:35,273 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 17:17:35,273 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 17:17:35,274 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 17:17:35,274 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 17:17:35,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 17:17:35,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 17:17:35,276 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 17:17:35,277 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 17:17:35,277 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 17:17:35,278 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 17:17:35,278 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 17:17:35,279 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 17:17:35,279 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 17:17:35,279 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 17:17:35,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 17:17:35,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 17:17:35,283 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 17:17:35,307 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 17:17:35,308 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 17:17:35,308 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 17:17:35,309 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 17:17:35,309 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 17:17:35,309 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 17:17:35,309 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 17:17:35,309 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 17:17:35,310 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 17:17:35,310 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 17:17:35,310 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 17:17:35,310 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 17:17:35,310 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 17:17:35,311 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 17:17:35,311 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 17:17:35,311 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 17:17:35,312 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 17:17:35,312 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 17:17:35,312 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 17:17:35,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 17:17:35,312 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 17:17:35,313 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 17:17:35,313 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 17:17:35,313 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 17:17:35,313 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 17:17:35,313 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 17:17:35,314 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 17:17:35,314 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 17:17:35,314 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 17:17:35,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 17:17:35,314 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 17:17:35,315 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 17:17:35,315 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 17:17:35,315 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 17:17:35,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 17:17:35,315 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 17:17:35,316 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 17:17:35,316 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 17:17:35,573 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 17:17:35,585 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 17:17:35,589 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 17:17:35,590 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 17:17:35,590 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 17:17:35,591 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec27_product19.cil.c [2019-11-24 17:17:35,661 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/723037b3b/93fa9a00b7ad45fd87cefbace56af505/FLAG497d6cfd8 [2019-11-24 17:17:36,248 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 17:17:36,249 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec27_product19.cil.c [2019-11-24 17:17:36,268 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/723037b3b/93fa9a00b7ad45fd87cefbace56af505/FLAG497d6cfd8 [2019-11-24 17:17:36,463 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/723037b3b/93fa9a00b7ad45fd87cefbace56af505 [2019-11-24 17:17:36,471 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 17:17:36,473 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 17:17:36,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 17:17:36,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 17:17:36,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 17:17:36,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:17:36" (1/1) ... [2019-11-24 17:17:36,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24c873c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:17:36, skipping insertion in model container [2019-11-24 17:17:36,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:17:36" (1/1) ... [2019-11-24 17:17:36,489 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 17:17:36,562 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 17:17:37,354 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 17:17:37,374 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 17:17:37,484 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 17:17:37,560 INFO L208 MainTranslator]: Completed translation [2019-11-24 17:17:37,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:17:37 WrapperNode [2019-11-24 17:17:37,561 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 17:17:37,562 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 17:17:37,562 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 17:17:37,562 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 17:17:37,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:17:37" (1/1) ... [2019-11-24 17:17:37,602 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:17:37" (1/1) ... [2019-11-24 17:17:37,709 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 17:17:37,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 17:17:37,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 17:17:37,710 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 17:17:37,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:17:37" (1/1) ... [2019-11-24 17:17:37,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:17:37" (1/1) ... [2019-11-24 17:17:37,731 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:17:37" (1/1) ... [2019-11-24 17:17:37,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:17:37" (1/1) ... [2019-11-24 17:17:37,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:17:37" (1/1) ... [2019-11-24 17:17:37,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:17:37" (1/1) ... [2019-11-24 17:17:37,838 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:17:37" (1/1) ... [2019-11-24 17:17:37,852 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 17:17:37,853 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 17:17:37,853 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 17:17:37,853 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 17:17:37,854 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:17:37" (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 [2019-11-24 17:17:37,916 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-24 17:17:37,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 17:17:37,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 17:17:37,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 17:17:37,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 17:17:44,977 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 17:17:44,977 INFO L284 CfgBuilder]: Removed 303 assume(true) statements. [2019-11-24 17:17:44,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:17:44 BoogieIcfgContainer [2019-11-24 17:17:44,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 17:17:44,980 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 17:17:44,980 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 17:17:44,980 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 17:17:44,981 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:17:44" (1/1) ... [2019-11-24 17:17:44,982 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 17:17:45,004 INFO L159 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-11-24 17:17:45,004 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 17:17:45,011 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 17:17:45,016 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 17:17:45,017 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 17:18:15,266 WARN L192 SmtUtils]: Spent 633.00 ms on a formula simplification that was a NOOP. DAG size: 664 [2019-11-24 17:18:18,614 WARN L192 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 284 DAG size of output: 231 [2019-11-24 17:18:19,031 WARN L192 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 700 [2019-11-24 17:18:22,495 WARN L192 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 1364 DAG size of output: 1358 [2019-11-24 17:18:24,321 WARN L192 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 1364 DAG size of output: 1358 [2019-11-24 17:18:26,048 WARN L192 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 1358 DAG size of output: 1350 [2019-11-24 17:18:26,699 WARN L192 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 1047 [2019-11-24 17:18:27,223 WARN L192 SmtUtils]: Spent 522.00 ms on a formula simplification that was a NOOP. DAG size: 1047 [2019-11-24 17:18:27,812 WARN L192 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 1047 [2019-11-24 17:18:29,850 WARN L192 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 1575 [2019-11-24 17:18:31,762 WARN L192 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 1575 [2019-11-24 17:18:33,628 WARN L192 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 1575 [2019-11-24 17:18:35,902 WARN L192 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 1577 [2019-11-24 17:19:09,636 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7