java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml --sifa.simplification.technique SIMPLIFY_DDA -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/nested_structure_ptr-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a2187f8 [2019-09-02 15:15:19,268 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-02 15:15:19,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-02 15:15:19,282 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-02 15:15:19,282 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-02 15:15:19,283 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-02 15:15:19,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-02 15:15:19,286 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-02 15:15:19,288 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-02 15:15:19,289 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-02 15:15:19,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-02 15:15:19,291 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-02 15:15:19,291 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-02 15:15:19,292 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-02 15:15:19,293 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-02 15:15:19,294 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-02 15:15:19,295 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-02 15:15:19,296 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-02 15:15:19,297 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-02 15:15:19,299 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-02 15:15:19,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-02 15:15:19,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-02 15:15:19,303 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-02 15:15:19,304 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-02 15:15:19,306 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-02 15:15:19,306 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-02 15:15:19,307 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-02 15:15:19,308 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-02 15:15:19,308 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-02 15:15:19,309 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-02 15:15:19,309 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-02 15:15:19,310 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-02 15:15:19,311 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-02 15:15:19,312 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-02 15:15:19,313 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-02 15:15:19,313 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-02 15:15:19,314 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-02 15:15:19,314 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-02 15:15:19,314 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-02 15:15:19,315 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-02 15:15:19,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-02 15:15:19,316 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-02 15:15:19,330 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-02 15:15:19,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-02 15:15:19,332 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-02 15:15:19,332 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-02 15:15:19,332 INFO L138 SettingsManager]: * Use SBE=true [2019-09-02 15:15:19,333 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-02 15:15:19,333 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-02 15:15:19,333 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-02 15:15:19,333 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-02 15:15:19,333 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-02 15:15:19,334 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-02 15:15:19,334 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-02 15:15:19,334 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-02 15:15:19,334 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-02 15:15:19,334 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-02 15:15:19,335 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-02 15:15:19,335 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-02 15:15:19,335 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-02 15:15:19,335 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-02 15:15:19,335 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-02 15:15:19,336 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-02 15:15:19,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-02 15:15:19,336 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-02 15:15:19,336 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-02 15:15:19,336 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-02 15:15:19,337 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-02 15:15:19,337 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-02 15:15:19,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-02 15:15:19,337 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-02 15:15:19,366 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-02 15:15:19,378 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-02 15:15:19,381 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-02 15:15:19,383 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-02 15:15:19,383 INFO L275 PluginConnector]: CDTParser initialized [2019-09-02 15:15:19,384 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/nested_structure_ptr-2.i [2019-09-02 15:15:19,442 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d1c998cb/f949cf48ae6f4942b7d0f217902ada19/FLAG75a6b31bd [2019-09-02 15:15:19,849 INFO L306 CDTParser]: Found 1 translation units. [2019-09-02 15:15:19,850 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/nested_structure_ptr-2.i [2019-09-02 15:15:19,856 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d1c998cb/f949cf48ae6f4942b7d0f217902ada19/FLAG75a6b31bd [2019-09-02 15:15:20,192 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d1c998cb/f949cf48ae6f4942b7d0f217902ada19 [2019-09-02 15:15:20,205 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-02 15:15:20,207 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-02 15:15:20,209 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-02 15:15:20,209 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-02 15:15:20,212 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-02 15:15:20,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.09 03:15:20" (1/1) ... [2019-09-02 15:15:20,216 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@219d668e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:20, skipping insertion in model container [2019-09-02 15:15:20,217 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.09 03:15:20" (1/1) ... [2019-09-02 15:15:20,224 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-02 15:15:20,243 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-02 15:15:20,500 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-02 15:15:20,520 INFO L188 MainTranslator]: Completed pre-run [2019-09-02 15:15:20,545 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-02 15:15:20,561 INFO L192 MainTranslator]: Completed translation [2019-09-02 15:15:20,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:20 WrapperNode [2019-09-02 15:15:20,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-02 15:15:20,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-02 15:15:20,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-02 15:15:20,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-02 15:15:20,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:20" (1/1) ... [2019-09-02 15:15:20,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:20" (1/1) ... [2019-09-02 15:15:20,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:20" (1/1) ... [2019-09-02 15:15:20,676 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:20" (1/1) ... [2019-09-02 15:15:20,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:20" (1/1) ... [2019-09-02 15:15:20,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:20" (1/1) ... [2019-09-02 15:15:20,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:20" (1/1) ... [2019-09-02 15:15:20,700 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-02 15:15:20,700 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-02 15:15:20,700 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-02 15:15:20,701 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-02 15:15:20,701 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:20" (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 [2019-09-02 15:15:20,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-02 15:15:20,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-02 15:15:20,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-02 15:15:20,761 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-02 15:15:20,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-02 15:15:20,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-02 15:15:20,761 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-02 15:15:20,761 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2019-09-02 15:15:20,761 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2019-09-02 15:15:20,761 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-02 15:15:20,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-02 15:15:20,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-02 15:15:20,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-02 15:15:20,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-02 15:15:20,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-02 15:15:20,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-02 15:15:20,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-02 15:15:20,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-02 15:15:20,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-02 15:15:20,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-02 15:15:21,062 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-02 15:15:21,062 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-02 15:15:21,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.09 03:15:21 BoogieIcfgContainer [2019-09-02 15:15:21,064 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-02 15:15:21,064 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-02 15:15:21,064 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-02 15:15:21,064 INFO L275 PluginConnector]: Sifa initialized [2019-09-02 15:15:21,065 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.09 03:15:21" (1/1) ... [2019-09-02 15:15:21,066 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-02 15:15:21,100 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-02 15:15:21,100 INFO L169 IcfgInterpreter]: Building call graph [2019-09-02 15:15:21,107 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-02 15:15:21,117 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-02 15:15:21,118 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-02 15:15:21,310 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 25 for LOIs [2019-09-02 15:15:21,488 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-02 15:15:23,679 WARN L188 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 368 DAG size of output: 272