/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/loop-invgen/nest-if3.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 16:29:33,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 16:29:33,730 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 16:29:33,748 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 16:29:33,749 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 16:29:33,751 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 16:29:33,753 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 16:29:33,762 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 16:29:33,766 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 16:29:33,770 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 16:29:33,772 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 16:29:33,774 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 16:29:33,774 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 16:29:33,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 16:29:33,779 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 16:29:33,780 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 16:29:33,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 16:29:33,782 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 16:29:33,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 16:29:33,789 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 16:29:33,792 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 16:29:33,793 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 16:29:33,794 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 16:29:33,796 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 16:29:33,798 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 16:29:33,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 16:29:33,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 16:29:33,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 16:29:33,799 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 16:29:33,800 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 16:29:33,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 16:29:33,801 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 16:29:33,802 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 16:29:33,803 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 16:29:33,804 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 16:29:33,804 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 16:29:33,805 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 16:29:33,805 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 16:29:33,805 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 16:29:33,806 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 16:29:33,807 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 16:29:33,807 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 16:29:33,822 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 16:29:33,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 16:29:33,823 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 16:29:33,823 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 16:29:33,823 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 16:29:33,823 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 16:29:33,824 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 16:29:33,824 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 16:29:33,824 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 16:29:33,824 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 16:29:33,824 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 16:29:33,824 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 16:29:33,825 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 16:29:33,825 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 16:29:33,825 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 16:29:33,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 16:29:33,826 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 16:29:33,826 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 16:29:33,826 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 16:29:33,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 16:29:33,827 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 16:29:33,827 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 16:29:33,827 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 16:29:33,827 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 16:29:33,827 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 16:29:33,828 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 16:29:33,828 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 16:29:33,828 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 16:29:33,828 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 16:29:33,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:29:33,829 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 16:29:33,832 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 16:29:33,832 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 16:29:33,832 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 16:29:33,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 16:29:33,833 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 16:29:33,833 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 16:29:33,833 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 16:29:34,119 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 16:29:34,134 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 16:29:34,138 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 16:29:34,139 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 16:29:34,139 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 16:29:34,140 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/nest-if3.i [2019-11-24 16:29:34,212 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78845f937/48aab703cd254b9c90cee8a290096eb5/FLAG235728430 [2019-11-24 16:29:34,681 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 16:29:34,682 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/nest-if3.i [2019-11-24 16:29:34,688 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78845f937/48aab703cd254b9c90cee8a290096eb5/FLAG235728430 [2019-11-24 16:29:35,064 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78845f937/48aab703cd254b9c90cee8a290096eb5 [2019-11-24 16:29:35,075 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 16:29:35,076 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 16:29:35,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 16:29:35,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 16:29:35,084 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 16:29:35,085 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:29:35" (1/1) ... [2019-11-24 16:29:35,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@246dd671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:29:35, skipping insertion in model container [2019-11-24 16:29:35,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:29:35" (1/1) ... [2019-11-24 16:29:35,095 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 16:29:35,110 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 16:29:35,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:29:35,269 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 16:29:35,286 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:29:35,301 INFO L208 MainTranslator]: Completed translation [2019-11-24 16:29:35,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:29:35 WrapperNode [2019-11-24 16:29:35,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 16:29:35,302 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 16:29:35,303 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 16:29:35,303 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 16:29:35,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:29:35" (1/1) ... [2019-11-24 16:29:35,317 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:29:35" (1/1) ... [2019-11-24 16:29:35,335 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 16:29:35,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 16:29:35,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 16:29:35,335 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 16:29:35,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:29:35" (1/1) ... [2019-11-24 16:29:35,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:29:35" (1/1) ... [2019-11-24 16:29:35,432 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:29:35" (1/1) ... [2019-11-24 16:29:35,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:29:35" (1/1) ... [2019-11-24 16:29:35,434 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:29:35" (1/1) ... [2019-11-24 16:29:35,439 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:29:35" (1/1) ... [2019-11-24 16:29:35,440 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:29:35" (1/1) ... [2019-11-24 16:29:35,441 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 16:29:35,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 16:29:35,442 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 16:29:35,442 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 16:29:35,443 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:29:35" (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 16:29:35,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 16:29:35,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 16:29:35,759 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 16:29:35,759 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-24 16:29:35,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:29:35 BoogieIcfgContainer [2019-11-24 16:29:35,761 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 16:29:35,762 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 16:29:35,762 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 16:29:35,762 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 16:29:35,763 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:29:35" (1/1) ... [2019-11-24 16:29:35,764 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 16:29:35,789 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 16:29:35,790 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 16:29:35,801 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 16:29:35,811 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 16:29:35,813 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 16:29:36,953 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 200 [2019-11-24 16:29:37,152 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 196 [2019-11-24 16:29:37,551 WARN L192 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 271 [2019-11-24 16:29:37,861 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 267 [2019-11-24 16:29:38,470 WARN L192 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 500 [2019-11-24 16:29:39,151 WARN L192 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 492 [2019-11-24 16:29:40,049 WARN L192 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 499 DAG size of output: 491 [2019-11-24 16:29:40,611 WARN L192 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 492 [2019-11-24 16:29:41,886 WARN L192 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 1052 DAG size of output: 1026 [2019-11-24 16:29:43,324 WARN L192 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 1015 DAG size of output: 1012 [2019-11-24 16:29:45,473 WARN L192 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 1015 [2019-11-24 16:29:46,779 WARN L192 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 1016 DAG size of output: 1016 [2019-11-24 16:29:51,798 WARN L192 SmtUtils]: Spent 4.70 s on a formula simplification. DAG size of input: 2248 DAG size of output: 2188 [2019-11-24 16:29:55,819 WARN L192 SmtUtils]: Spent 3.56 s on a formula simplification. DAG size of input: 2068 DAG size of output: 2064 [2019-11-24 16:30:09,004 WARN L192 SmtUtils]: Spent 12.74 s on a formula simplification. DAG size of input: 4148 DAG size of output: 4089 [2019-11-24 16:30:23,728 WARN L192 SmtUtils]: Spent 13.79 s on a formula simplification. DAG size of input: 4034 DAG size of output: 4019 [2019-11-24 16:30:40,116 WARN L192 SmtUtils]: Spent 14.76 s on a formula simplification that was a NOOP. DAG size: 4001 [2019-11-24 16:30:56,172 WARN L192 SmtUtils]: Spent 16.05 s on a formula simplification. DAG size of input: 4002 DAG size of output: 4002