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 -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 14:16:40,576 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-02 14:16:40,578 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-02 14:16:40,590 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-02 14:16:40,591 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-02 14:16:40,592 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-02 14:16:40,593 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-02 14:16:40,595 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-02 14:16:40,597 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-02 14:16:40,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-02 14:16:40,599 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-02 14:16:40,600 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-02 14:16:40,600 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-02 14:16:40,601 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-02 14:16:40,602 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-02 14:16:40,603 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-02 14:16:40,604 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-02 14:16:40,605 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-02 14:16:40,607 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-02 14:16:40,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-02 14:16:40,610 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-02 14:16:40,611 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-02 14:16:40,612 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-02 14:16:40,613 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-02 14:16:40,615 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-02 14:16:40,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-02 14:16:40,616 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-02 14:16:40,617 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-02 14:16:40,617 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-02 14:16:40,619 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-02 14:16:40,619 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-02 14:16:40,620 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-02 14:16:40,621 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-02 14:16:40,622 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-02 14:16:40,624 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-02 14:16:40,625 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-02 14:16:40,627 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-02 14:16:40,628 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-02 14:16:40,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-02 14:16:40,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-02 14:16:40,629 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-02 14:16:40,630 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 14:16:40,654 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-02 14:16:40,654 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-02 14:16:40,656 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-02 14:16:40,657 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-02 14:16:40,657 INFO L138 SettingsManager]: * Use SBE=true [2019-09-02 14:16:40,657 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-02 14:16:40,657 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-02 14:16:40,658 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-02 14:16:40,658 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-02 14:16:40,658 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-02 14:16:40,659 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-02 14:16:40,659 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-02 14:16:40,659 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-02 14:16:40,660 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-02 14:16:40,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-02 14:16:40,660 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-02 14:16:40,660 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-02 14:16:40,661 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-02 14:16:40,661 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-02 14:16:40,661 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-02 14:16:40,662 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-02 14:16:40,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-02 14:16:40,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-02 14:16:40,662 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-02 14:16:40,663 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-02 14:16:40,663 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-02 14:16:40,663 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-02 14:16:40,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-02 14:16:40,663 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-02 14:16:40,710 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-02 14:16:40,728 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-02 14:16:40,732 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-02 14:16:40,734 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-02 14:16:40,734 INFO L275 PluginConnector]: CDTParser initialized [2019-09-02 14:16:40,735 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/nested_structure_ptr-2.i [2019-09-02 14:16:40,809 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7346b9dea/c187020ed8a04cc8819b1cc347c86771/FLAG93fe10f75 [2019-09-02 14:16:41,236 INFO L306 CDTParser]: Found 1 translation units. [2019-09-02 14:16:41,236 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/nested_structure_ptr-2.i [2019-09-02 14:16:41,243 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7346b9dea/c187020ed8a04cc8819b1cc347c86771/FLAG93fe10f75 [2019-09-02 14:16:41,620 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7346b9dea/c187020ed8a04cc8819b1cc347c86771 [2019-09-02 14:16:41,633 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-02 14:16:41,634 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-02 14:16:41,635 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-02 14:16:41,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-02 14:16:41,641 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-02 14:16:41,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.09 02:16:41" (1/1) ... [2019-09-02 14:16:41,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ae8722e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 02:16:41, skipping insertion in model container [2019-09-02 14:16:41,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.09 02:16:41" (1/1) ... [2019-09-02 14:16:41,657 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-02 14:16:41,680 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-02 14:16:41,864 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-02 14:16:41,883 INFO L188 MainTranslator]: Completed pre-run [2019-09-02 14:16:41,901 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-02 14:16:41,915 INFO L192 MainTranslator]: Completed translation [2019-09-02 14:16:41,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 02:16:41 WrapperNode [2019-09-02 14:16:41,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-02 14:16:41,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-02 14:16:41,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-02 14:16:41,917 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-02 14:16:42,027 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 02:16:41" (1/1) ... [2019-09-02 14:16:42,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 02:16:41" (1/1) ... [2019-09-02 14:16:42,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 02:16:41" (1/1) ... [2019-09-02 14:16:42,041 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 02:16:41" (1/1) ... [2019-09-02 14:16:42,057 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 02:16:41" (1/1) ... [2019-09-02 14:16:42,059 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 02:16:41" (1/1) ... [2019-09-02 14:16:42,061 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 02:16:41" (1/1) ... [2019-09-02 14:16:42,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-02 14:16:42,064 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-02 14:16:42,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-02 14:16:42,064 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-02 14:16:42,066 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 02:16:41" (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 14:16:42,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-02 14:16:42,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-02 14:16:42,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-02 14:16:42,119 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-02 14:16:42,119 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-02 14:16:42,119 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-02 14:16:42,120 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-02 14:16:42,120 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2019-09-02 14:16:42,120 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2019-09-02 14:16:42,120 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-02 14:16:42,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-02 14:16:42,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-02 14:16:42,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-02 14:16:42,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-02 14:16:42,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-02 14:16:42,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-02 14:16:42,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-02 14:16:42,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-02 14:16:42,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-02 14:16:42,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-02 14:16:42,328 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-02 14:16:42,329 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-02 14:16:42,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.09 02:16:42 BoogieIcfgContainer [2019-09-02 14:16:42,330 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-02 14:16:42,331 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-02 14:16:42,331 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-02 14:16:42,331 INFO L275 PluginConnector]: Sifa initialized [2019-09-02 14:16:42,332 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.09 02:16:42" (1/1) ... [2019-09-02 14:16:42,333 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=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-02 14:16:42,374 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-02 14:16:42,374 INFO L169 IcfgInterpreter]: Building call graph [2019-09-02 14:16:42,382 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-02 14:16:42,393 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-02 14:16:42,395 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-02 14:16:42,532 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-09-02 14:16:42,703 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-02 14:16:44,932 WARN L188 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 368 DAG size of output: 272