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/alias_of_return.c_1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 01:57:51,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 01:57:51,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 01:57:51,235 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 01:57:51,235 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 01:57:51,236 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 01:57:51,237 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 01:57:51,239 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 01:57:51,241 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 01:57:51,242 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 01:57:51,243 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 01:57:51,244 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 01:57:51,244 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 01:57:51,245 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 01:57:51,246 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 01:57:51,247 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 01:57:51,248 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 01:57:51,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 01:57:51,250 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 01:57:51,252 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 01:57:51,254 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 01:57:51,255 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 01:57:51,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 01:57:51,257 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 01:57:51,259 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-10 01:57:51,262 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-10 01:57:51,262 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-10 01:57:51,263 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-10 01:57:51,264 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-10 01:57:51,265 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-10 01:57:51,265 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-10 01:57:51,266 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-10 01:57:51,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-10 01:57:51,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 01:57:51,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 01:57:51,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 01:57:51,270 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 [2019-08-10 01:57:51,298 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 01:57:51,298 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 01:57:51,300 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 01:57:51,300 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 01:57:51,301 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 01:57:51,301 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 01:57:51,301 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 01:57:51,301 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 01:57:51,301 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 01:57:51,302 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 01:57:51,303 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 01:57:51,303 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 01:57:51,303 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 01:57:51,304 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 01:57:51,304 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 01:57:51,304 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 01:57:51,304 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 01:57:51,305 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 01:57:51,305 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 01:57:51,306 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 01:57:51,306 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 01:57:51,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 01:57:51,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 01:57:51,307 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 01:57:51,307 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 01:57:51,307 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 01:57:51,307 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 01:57:51,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 01:57:51,308 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 01:57:51,335 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 01:57:51,347 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 01:57:51,351 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 01:57:51,352 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 01:57:51,352 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 01:57:51,353 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/alias_of_return.c_1.i [2019-08-10 01:57:51,412 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3a12d559/773d25d275294ef1aec4ca192a42a3ac/FLAGdbf310244 [2019-08-10 01:57:51,835 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 01:57:51,838 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/alias_of_return.c_1.i [2019-08-10 01:57:51,844 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3a12d559/773d25d275294ef1aec4ca192a42a3ac/FLAGdbf310244 [2019-08-10 01:57:52,235 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3a12d559/773d25d275294ef1aec4ca192a42a3ac [2019-08-10 01:57:52,247 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 01:57:52,248 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 01:57:52,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 01:57:52,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 01:57:52,253 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 01:57:52,254 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 01:57:52" (1/1) ... [2019-08-10 01:57:52,257 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d6b9e44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:57:52, skipping insertion in model container [2019-08-10 01:57:52,257 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 01:57:52" (1/1) ... [2019-08-10 01:57:52,264 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 01:57:52,281 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 01:57:52,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 01:57:52,454 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 01:57:52,475 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 01:57:52,491 INFO L192 MainTranslator]: Completed translation [2019-08-10 01:57:52,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:57:52 WrapperNode [2019-08-10 01:57:52,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 01:57:52,493 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 01:57:52,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 01:57:52,494 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 01:57:52,507 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:57:52" (1/1) ... [2019-08-10 01:57:52,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:57:52" (1/1) ... [2019-08-10 01:57:52,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:57:52" (1/1) ... [2019-08-10 01:57:52,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:57:52" (1/1) ... [2019-08-10 01:57:52,612 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:57:52" (1/1) ... [2019-08-10 01:57:52,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:57:52" (1/1) ... [2019-08-10 01:57:52,615 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:57:52" (1/1) ... [2019-08-10 01:57:52,616 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 01:57:52,617 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 01:57:52,617 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 01:57:52,617 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 01:57:52,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:57:52" (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 [2019-08-10 01:57:52,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 01:57:52,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 01:57:52,670 INFO L138 BoogieDeclarations]: Found implementation of procedure err [2019-08-10 01:57:52,670 INFO L138 BoogieDeclarations]: Found implementation of procedure return_self [2019-08-10 01:57:52,670 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 01:57:52,670 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 01:57:52,670 INFO L130 BoogieDeclarations]: Found specification of procedure err [2019-08-10 01:57:52,670 INFO L130 BoogieDeclarations]: Found specification of procedure return_self [2019-08-10 01:57:52,671 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 01:57:52,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-10 01:57:52,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-10 01:57:52,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-10 01:57:52,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-10 01:57:52,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 01:57:52,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 01:57:52,875 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 01:57:52,875 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-10 01:57:52,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 01:57:52 BoogieIcfgContainer [2019-08-10 01:57:52,877 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 01:57:52,878 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 01:57:52,878 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 01:57:52,878 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 01:57:52,879 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 01:57:52" (1/1) ... [2019-08-10 01:57:53,074 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-10 01:57:53,082 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 01:57:53,085 INFO L168 Benchmark]: Toolchain (without parser) took 835.70 ms. Allocated memory was 140.5 MB in the beginning and 200.8 MB in the end (delta: 60.3 MB). Free memory was 87.1 MB in the beginning and 157.2 MB in the end (delta: -70.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-10 01:57:53,086 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-10 01:57:53,087 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.63 ms. Allocated memory is still 140.5 MB. Free memory was 86.9 MB in the beginning and 77.6 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-08-10 01:57:53,089 INFO L168 Benchmark]: Boogie Preprocessor took 122.89 ms. Allocated memory was 140.5 MB in the beginning and 200.8 MB in the end (delta: 60.3 MB). Free memory was 77.6 MB in the beginning and 178.7 MB in the end (delta: -101.1 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. [2019-08-10 01:57:53,093 INFO L168 Benchmark]: RCFGBuilder took 260.63 ms. Allocated memory is still 200.8 MB. Free memory was 178.7 MB in the beginning and 166.0 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. [2019-08-10 01:57:53,093 INFO L168 Benchmark]: Symbolic Interpretation took 205.20 ms. Allocated memory is still 200.8 MB. Free memory was 166.0 MB in the beginning and 157.2 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-08-10 01:57:53,101 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - AllSpecificationsHoldResult: All specifications hold All locations of interest are guaranteed to be unreachable. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 243.63 ms. Allocated memory is still 140.5 MB. Free memory was 86.9 MB in the beginning and 77.6 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.89 ms. Allocated memory was 140.5 MB in the beginning and 200.8 MB in the end (delta: 60.3 MB). Free memory was 77.6 MB in the beginning and 178.7 MB in the end (delta: -101.1 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 260.63 ms. Allocated memory is still 200.8 MB. Free memory was 178.7 MB in the beginning and 166.0 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 205.20 ms. Allocated memory is still 200.8 MB. Free memory was 166.0 MB in the beginning and 157.2 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...