/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_spec1_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 17:13:40,880 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 17:13:40,884 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 17:13:40,903 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 17:13:40,904 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 17:13:40,905 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 17:13:40,907 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 17:13:40,909 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 17:13:40,910 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 17:13:40,911 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 17:13:40,912 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 17:13:40,913 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 17:13:40,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 17:13:40,915 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 17:13:40,915 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 17:13:40,916 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 17:13:40,917 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 17:13:40,918 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 17:13:40,920 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 17:13:40,922 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 17:13:40,923 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 17:13:40,924 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 17:13:40,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 17:13:40,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 17:13:40,930 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 17:13:40,930 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 17:13:40,930 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 17:13:40,931 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 17:13:40,931 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 17:13:40,932 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 17:13:40,933 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 17:13:40,933 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 17:13:40,934 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 17:13:40,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 17:13:40,936 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 17:13:40,936 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 17:13:40,937 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 17:13:40,939 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 17:13:40,940 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 17:13:40,941 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 17:13:40,941 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 17:13:40,942 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 17:13:40,970 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 17:13:40,970 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 17:13:40,972 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 17:13:40,972 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 17:13:40,972 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 17:13:40,972 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 17:13:40,972 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 17:13:40,973 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 17:13:40,973 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 17:13:40,973 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 17:13:40,974 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 17:13:40,974 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 17:13:40,975 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 17:13:40,975 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 17:13:40,975 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 17:13:40,976 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 17:13:40,977 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 17:13:40,977 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 17:13:40,977 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 17:13:40,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 17:13:40,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 17:13:40,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 17:13:40,980 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 17:13:40,981 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 17:13:40,981 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 17:13:40,981 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 17:13:40,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 17:13:40,981 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 17:13:40,982 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 17:13:40,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 17:13:40,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 17:13:40,982 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 17:13:40,985 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 17:13:40,985 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 17:13:40,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 17:13:40,986 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 17:13:40,986 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 17:13:40,986 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 17:13:41,262 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 17:13:41,280 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 17:13:41,283 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 17:13:41,285 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 17:13:41,285 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 17:13:41,286 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product15.cil.c [2019-11-24 17:13:41,362 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76e5fb424/73f88e821680485b98208d2f9555f78f/FLAGeb6a6e8de [2019-11-24 17:13:42,052 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 17:13:42,053 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product15.cil.c [2019-11-24 17:13:42,073 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76e5fb424/73f88e821680485b98208d2f9555f78f/FLAGeb6a6e8de [2019-11-24 17:13:42,214 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76e5fb424/73f88e821680485b98208d2f9555f78f [2019-11-24 17:13:42,222 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 17:13:42,224 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 17:13:42,225 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 17:13:42,225 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 17:13:42,229 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 17:13:42,230 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:13:42" (1/1) ... [2019-11-24 17:13:42,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c442ff5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:13:42, skipping insertion in model container [2019-11-24 17:13:42,233 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:13:42" (1/1) ... [2019-11-24 17:13:42,240 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 17:13:42,320 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 17:13:43,053 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 17:13:43,073 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 17:13:43,244 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 17:13:43,323 INFO L208 MainTranslator]: Completed translation [2019-11-24 17:13:43,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:13:43 WrapperNode [2019-11-24 17:13:43,324 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 17:13:43,326 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 17:13:43,326 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 17:13:43,326 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 17:13:43,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:13:43" (1/1) ... [2019-11-24 17:13:43,369 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:13:43" (1/1) ... [2019-11-24 17:13:43,449 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 17:13:43,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 17:13:43,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 17:13:43,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 17:13:43,467 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:13:43" (1/1) ... [2019-11-24 17:13:43,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:13:43" (1/1) ... [2019-11-24 17:13:43,476 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:13:43" (1/1) ... [2019-11-24 17:13:43,476 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:13:43" (1/1) ... [2019-11-24 17:13:43,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:13:43" (1/1) ... [2019-11-24 17:13:43,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:13:43" (1/1) ... [2019-11-24 17:13:43,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:13:43" (1/1) ... [2019-11-24 17:13:43,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 17:13:43,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 17:13:43,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 17:13:43,577 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 17:13:43,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:13:43" (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 17:13:43,668 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-24 17:13:43,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 17:13:43,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 17:13:43,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 17:13:43,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 17:13:49,594 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 17:13:49,595 INFO L284 CfgBuilder]: Removed 255 assume(true) statements. [2019-11-24 17:13:49,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:13:49 BoogieIcfgContainer [2019-11-24 17:13:49,598 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 17:13:49,599 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 17:13:49,599 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 17:13:49,599 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 17:13:49,601 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:13:49" (1/1) ... [2019-11-24 17:13:49,602 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 17:13:49,637 INFO L159 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-11-24 17:13:49,640 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 17:13:49,652 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 17:13:49,661 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 17:13:49,663 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 17:14:14,890 WARN L192 SmtUtils]: Spent 549.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-11-24 17:14:18,164 WARN L192 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 207 [2019-11-24 17:14:18,531 WARN L192 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 686 [2019-11-24 17:14:20,212 WARN L192 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 1045 [2019-11-24 17:14:20,973 WARN L192 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 1045 [2019-11-24 17:14:21,566 WARN L192 SmtUtils]: Spent 590.00 ms on a formula simplification that was a NOOP. DAG size: 1045 [2019-11-24 17:14:23,621 WARN L192 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 1602 DAG size of output: 1596 [2019-11-24 17:14:25,215 WARN L192 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 1602 DAG size of output: 1596 [2019-11-24 17:14:26,966 WARN L192 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 1596 DAG size of output: 1588 [2019-11-24 17:14:28,958 WARN L192 SmtUtils]: Spent 1.97 s on a formula simplification that was a NOOP. DAG size: 1616 [2019-11-24 17:14:30,904 WARN L192 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 1616 [2019-11-24 17:14:32,784 WARN L192 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 1616 [2019-11-24 17:14:35,164 WARN L192 SmtUtils]: Spent 2.25 s on a formula simplification that was a NOOP. DAG size: 1618 [2019-11-24 17:15:06,171 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7