java -ea -Xmx4000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/C-BPP.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/signedintegeroverflow-regression/PrefixDecrement_false-no-overflow.c.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-822e86c [2018-11-14 12:12:39,264 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-14 12:12:39,268 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-14 12:12:39,295 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-14 12:12:39,296 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-14 12:12:39,299 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-14 12:12:39,306 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-14 12:12:39,312 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-14 12:12:39,320 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-14 12:12:39,327 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-14 12:12:39,328 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-14 12:12:39,329 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-14 12:12:39,336 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-14 12:12:39,337 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-14 12:12:39,339 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-14 12:12:39,347 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-14 12:12:39,348 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-14 12:12:39,356 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-14 12:12:39,361 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-14 12:12:39,368 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-14 12:12:39,369 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-14 12:12:39,378 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-14 12:12:39,383 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-14 12:12:39,410 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-64bit-Automizer_Default.epf [2018-11-14 12:12:39,455 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-14 12:12:39,462 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-14 12:12:39,463 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-14 12:12:39,463 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-14 12:12:39,468 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-14 12:12:39,468 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-14 12:12:39,468 INFO L133 SettingsManager]: * Use SBE=true [2018-11-14 12:12:39,469 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-14 12:12:39,469 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-14 12:12:39,469 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-14 12:12:39,469 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-14 12:12:39,475 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-14 12:12:39,475 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-14 12:12:39,475 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-14 12:12:39,475 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-14 12:12:39,476 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-14 12:12:39,476 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-14 12:12:39,476 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-14 12:12:39,476 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-14 12:12:39,477 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-14 12:12:39,477 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-14 12:12:39,477 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-14 12:12:39,477 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-14 12:12:39,478 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-14 12:12:39,481 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-14 12:12:39,481 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-14 12:12:39,481 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-14 12:12:39,482 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-14 12:12:39,482 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-14 12:12:39,613 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-14 12:12:39,646 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-14 12:12:39,657 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-14 12:12:39,661 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-14 12:12:39,661 INFO L276 PluginConnector]: CDTParser initialized [2018-11-14 12:12:39,662 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/signedintegeroverflow-regression/PrefixDecrement_false-no-overflow.c.i [2018-11-14 12:12:39,766 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a32e831f0/1ff409dbd1554168a8726bbbaf127f18/FLAG8ad17943d [2018-11-14 12:12:40,851 INFO L298 CDTParser]: Found 1 translation units. [2018-11-14 12:12:40,854 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/signedintegeroverflow-regression/PrefixDecrement_false-no-overflow.c.i [2018-11-14 12:12:40,878 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a32e831f0/1ff409dbd1554168a8726bbbaf127f18/FLAG8ad17943d [2018-11-14 12:12:40,906 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a32e831f0/1ff409dbd1554168a8726bbbaf127f18 [2018-11-14 12:12:40,928 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-14 12:12:40,930 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2018-11-14 12:12:40,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-14 12:12:40,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-14 12:12:40,945 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-14 12:12:40,952 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 12:12:40" (1/1) ... [2018-11-14 12:12:40,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ed4bd2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:12:40, skipping insertion in model container [2018-11-14 12:12:40,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 12:12:40" (1/1) ... [2018-11-14 12:12:40,991 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-14 12:12:41,089 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-14 12:12:41,883 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 12:12:41,907 INFO L191 MainTranslator]: Completed pre-run [2018-11-14 12:12:42,050 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 12:12:42,181 INFO L195 MainTranslator]: Completed translation [2018-11-14 12:12:42,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:12:42 WrapperNode [2018-11-14 12:12:42,187 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-14 12:12:42,188 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-14 12:12:42,188 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-14 12:12:42,188 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-14 12:12:42,335 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:12:42" (1/1) ... [2018-11-14 12:12:42,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:12:42" (1/1) ... [2018-11-14 12:12:42,375 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:12:42" (1/1) ... [2018-11-14 12:12:42,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:12:42" (1/1) ... [2018-11-14 12:12:42,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:12:42" (1/1) ... [2018-11-14 12:12:42,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:12:42" (1/1) ... [2018-11-14 12:12:42,439 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 12:12:42" (1/1) ... [2018-11-14 12:12:42,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-14 12:12:42,466 INFO L168 Benchmark]: Toolchain (without parser) took 1536.62 ms. Allocated memory is still 2.0 GB. Free memory was 1.9 GB in the beginning and 2.0 GB in the end (delta: -53.3 MB). Peak memory consumption was 34.1 MB. Max. memory is 3.9 GB. [2018-11-14 12:12:42,474 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 2.0 GB. Free memory is still 2.0 GB. There was no memory consumed. Max. memory is 3.9 GB. [2018-11-14 12:12:42,475 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1253.16 ms. Allocated memory is still 2.0 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 3.9 GB. [2018-11-14 12:12:42,476 INFO L168 Benchmark]: Boogie Preprocessor took 270.28 ms. Allocated memory is still 2.0 GB. Free memory was 1.9 GB in the beginning and 2.0 GB in the end (delta: -75.8 MB). Peak memory consumption was 11.5 MB. Max. memory is 3.9 GB. [2018-11-14 12:12:42,489 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 2.0 GB. Free memory is still 2.0 GB. There was no memory consumed. Max. memory is 3.9 GB. * CACSL2BoogieTranslator took 1253.16 ms. Allocated memory is still 2.0 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 3.9 GB. * Boogie Preprocessor took 270.28 ms. Allocated memory is still 2.0 GB. Free memory was 1.9 GB in the beginning and 2.0 GB in the end (delta: -75.8 MB). Peak memory consumption was 11.5 MB. Max. memory is 3.9 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...