/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/heap-manipulation/tree-3.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 11:26:53,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 11:26:53,424 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 11:26:53,442 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 11:26:53,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 11:26:53,445 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 11:26:53,447 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 11:26:53,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 11:26:53,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 11:26:53,463 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 11:26:53,465 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 11:26:53,467 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 11:26:53,467 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 11:26:53,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 11:26:53,471 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 11:26:53,472 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 11:26:53,474 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 11:26:53,476 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 11:26:53,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 11:26:53,482 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 11:26:53,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 11:26:53,486 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 11:26:53,486 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 11:26:53,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 11:26:53,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 11:26:53,492 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 11:26:53,492 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 11:26:53,494 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 11:26:53,495 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 11:26:53,496 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 11:26:53,496 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 11:26:53,497 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 11:26:53,498 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 11:26:53,498 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 11:26:53,500 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 11:26:53,500 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 11:26:53,501 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 11:26:53,501 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 11:26:53,501 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 11:26:53,502 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 11:26:53,503 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 11:26:53,504 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 11:26:53,525 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 11:26:53,526 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 11:26:53,526 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 11:26:53,527 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 11:26:53,527 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 11:26:53,527 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 11:26:53,527 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 11:26:53,527 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 11:26:53,528 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 11:26:53,528 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 11:26:53,528 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 11:26:53,528 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 11:26:53,528 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 11:26:53,529 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 11:26:53,529 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 11:26:53,529 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 11:26:53,530 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 11:26:53,530 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 11:26:53,530 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 11:26:53,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 11:26:53,530 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 11:26:53,531 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 11:26:53,531 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 11:26:53,531 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 11:26:53,531 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 11:26:53,531 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 11:26:53,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 11:26:53,532 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 11:26:53,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 11:26:53,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 11:26:53,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 11:26:53,536 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 11:26:53,536 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 11:26:53,536 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 11:26:53,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 11:26:53,537 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 11:26:53,537 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 11:26:53,537 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 11:26:53,823 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 11:26:53,835 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 11:26:53,839 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 11:26:53,840 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 11:26:53,841 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 11:26:53,841 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-manipulation/tree-3.i [2019-11-24 11:26:53,904 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b561bf672/639bb704b370431e903e627280ea0dd3/FLAG76d693080 [2019-11-24 11:26:54,423 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 11:26:54,423 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/heap-manipulation/tree-3.i [2019-11-24 11:26:54,435 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b561bf672/639bb704b370431e903e627280ea0dd3/FLAG76d693080 [2019-11-24 11:26:54,711 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b561bf672/639bb704b370431e903e627280ea0dd3 [2019-11-24 11:26:54,721 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 11:26:54,723 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 11:26:54,724 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 11:26:54,724 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 11:26:54,728 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 11:26:54,728 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:26:54" (1/1) ... [2019-11-24 11:26:54,732 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aa56da5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:26:54, skipping insertion in model container [2019-11-24 11:26:54,732 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:26:54" (1/1) ... [2019-11-24 11:26:54,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 11:26:54,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 11:26:55,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 11:26:55,248 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 11:26:55,306 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 11:26:55,353 INFO L208 MainTranslator]: Completed translation [2019-11-24 11:26:55,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:26:55 WrapperNode [2019-11-24 11:26:55,353 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 11:26:55,354 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 11:26:55,355 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 11:26:55,355 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 11:26:55,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:26:55" (1/1) ... [2019-11-24 11:26:55,380 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:26:55" (1/1) ... [2019-11-24 11:26:55,408 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 11:26:55,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 11:26:55,408 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 11:26:55,408 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 11:26:55,417 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:26:55" (1/1) ... [2019-11-24 11:26:55,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:26:55" (1/1) ... [2019-11-24 11:26:55,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:26:55" (1/1) ... [2019-11-24 11:26:55,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:26:55" (1/1) ... [2019-11-24 11:26:55,431 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:26:55" (1/1) ... [2019-11-24 11:26:55,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:26:55" (1/1) ... [2019-11-24 11:26:55,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:26:55" (1/1) ... [2019-11-24 11:26:55,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 11:26:55,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 11:26:55,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 11:26:55,445 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 11:26:55,446 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:26:55" (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 11:26:55,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 11:26:55,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 11:26:55,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-24 11:26:55,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-24 11:26:55,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-24 11:26:55,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 11:26:55,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 11:26:55,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 11:26:56,336 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 11:26:56,337 INFO L284 CfgBuilder]: Removed 27 assume(true) statements. [2019-11-24 11:26:56,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:26:56 BoogieIcfgContainer [2019-11-24 11:26:56,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 11:26:56,339 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 11:26:56,339 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 11:26:56,339 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 11:26:56,340 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:26:56" (1/1) ... [2019-11-24 11:26:56,341 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 11:26:56,366 INFO L159 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-11-24 11:26:56,366 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 11:26:56,378 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 11:26:56,389 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 11:26:56,390 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 11:26:56,803 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 11:26:56,822 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 11:26:57,472 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 11:26:57,641 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 11:26:57,712 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 11:26:57,899 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 11:26:59,849 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 11:27:02,477 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 11:27:03,450 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 11:27:03,585 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 414 [2019-11-24 11:27:08,625 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 11:27:08,649 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 11:27:14,308 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2019-11-24 11:27:19,463 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 11:27:25,989 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 11:27:26,073 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 11:27:34,806 WARN L227 Elim1Store]: Array PQE input equivalent to false