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-fe202a8 [2018-11-19 12:04:41,799 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-19 12:04:41,805 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-19 12:04:41,835 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-19 12:04:41,835 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-19 12:04:41,836 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-19 12:04:41,845 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-19 12:04:41,850 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-19 12:04:41,857 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-19 12:04:41,858 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-19 12:04:41,870 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-19 12:04:41,871 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-19 12:04:41,872 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-19 12:04:41,877 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-19 12:04:41,885 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-19 12:04:41,886 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-19 12:04:41,887 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-19 12:04:41,893 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-19 12:04:41,900 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-19 12:04:41,907 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-19 12:04:41,908 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-19 12:04:41,917 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-19 12:04:41,921 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-19 12:04:41,947 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-19 12:04:41,947 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-19 12:04:41,953 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-19 12:04:41,954 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-19 12:04:41,955 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 [2018-11-19 12:04:41,999 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-19 12:04:41,999 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-19 12:04:42,000 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-19 12:04:42,000 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-19 12:04:42,008 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-19 12:04:42,008 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-19 12:04:42,008 INFO L133 SettingsManager]: * Use SBE=true [2018-11-19 12:04:42,008 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-19 12:04:42,009 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-19 12:04:42,009 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-19 12:04:42,009 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-19 12:04:42,009 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-19 12:04:42,009 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-19 12:04:42,010 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-19 12:04:42,014 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-19 12:04:42,014 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-19 12:04:42,014 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-19 12:04:42,014 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-19 12:04:42,015 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-19 12:04:42,015 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-19 12:04:42,015 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-19 12:04:42,015 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-19 12:04:42,015 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-19 12:04:42,016 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-19 12:04:42,016 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-19 12:04:42,016 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-19 12:04:42,016 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-19 12:04:42,016 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-19 12:04:42,022 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-19 12:04:42,022 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-19 12:04:42,140 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-19 12:04:42,169 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-19 12:04:42,179 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-19 12:04:42,183 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-19 12:04:42,183 INFO L276 PluginConnector]: CDTParser initialized [2018-11-19 12:04:42,184 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/signedintegeroverflow-regression/PrefixDecrement_false-no-overflow.c.i [2018-11-19 12:04:42,322 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc1515662/1edbc6eb1bee44ecb8965c1a4eb6d740/FLAG04653b12b [2018-11-19 12:04:43,509 INFO L307 CDTParser]: Found 1 translation units. [2018-11-19 12:04:43,512 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/signedintegeroverflow-regression/PrefixDecrement_false-no-overflow.c.i [2018-11-19 12:04:43,543 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc1515662/1edbc6eb1bee44ecb8965c1a4eb6d740/FLAG04653b12b [2018-11-19 12:04:44,022 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc1515662/1edbc6eb1bee44ecb8965c1a4eb6d740 [2018-11-19 12:04:44,038 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-19 12:04:44,048 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2018-11-19 12:04:44,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-19 12:04:44,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-19 12:04:44,059 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-19 12:04:44,064 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 12:04:44" (1/1) ... [2018-11-19 12:04:44,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40469288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:04:44, skipping insertion in model container [2018-11-19 12:04:44,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 12:04:44" (1/1) ... [2018-11-19 12:04:44,099 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-19 12:04:44,201 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-19 12:04:45,028 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-19 12:04:45,056 INFO L191 MainTranslator]: Completed pre-run [2018-11-19 12:04:45,190 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-19 12:04:45,360 INFO L195 MainTranslator]: Completed translation [2018-11-19 12:04:45,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:04:45 WrapperNode [2018-11-19 12:04:45,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-19 12:04:45,364 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-19 12:04:45,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-19 12:04:45,364 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-19 12:04:45,540 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:04:45" (1/1) ... [2018-11-19 12:04:45,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:04:45" (1/1) ... [2018-11-19 12:04:45,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:04:45" (1/1) ... [2018-11-19 12:04:45,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:04:45" (1/1) ... [2018-11-19 12:04:45,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:04:45" (1/1) ... [2018-11-19 12:04:45,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:04:45" (1/1) ... [2018-11-19 12:04:45,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 12:04:45" (1/1) ... [2018-11-19 12:04:45,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-19 12:04:45,678 INFO L168 Benchmark]: Toolchain (without parser) took 1639.81 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. [2018-11-19 12:04:45,690 INFO L168 Benchmark]: CDTParser took 0.19 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. [2018-11-19 12:04:45,691 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1308.91 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. [2018-11-19 12:04:45,695 INFO L168 Benchmark]: Boogie Preprocessor took 311.95 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 11.6 MB. Max. memory is 3.9 GB. [2018-11-19 12:04:45,701 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 0.19 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 1308.91 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 311.95 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 11.6 MB. Max. memory is 3.9 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...