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/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.21_false-no-overflow.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-30e687d [2018-10-16 21:01:24,625 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-16 21:01:24,630 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-16 21:01:24,651 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-16 21:01:24,651 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-16 21:01:24,656 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-16 21:01:24,657 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-16 21:01:24,662 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-16 21:01:24,663 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-16 21:01:24,671 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-16 21:01:24,673 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-16 21:01:24,674 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-16 21:01:24,675 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-16 21:01:24,675 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-16 21:01:24,678 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-16 21:01:24,678 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-16 21:01:24,679 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-16 21:01:24,685 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-16 21:01:24,694 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-16 21:01:24,696 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-16 21:01:24,696 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-16 21:01:24,705 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-16 21:01:24,707 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-16 21:01:24,723 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-16 21:01:24,723 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-16 21:01:24,724 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-16 21:01:24,725 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-16 21:01:24,725 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 [2018-10-16 21:01:24,758 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-16 21:01:24,762 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-16 21:01:24,763 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-16 21:01:24,763 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-16 21:01:24,763 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-16 21:01:24,763 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-16 21:01:24,763 INFO L133 SettingsManager]: * Use SBE=true [2018-10-16 21:01:24,764 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-16 21:01:24,764 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-16 21:01:24,764 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-16 21:01:24,764 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-16 21:01:24,764 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-16 21:01:24,764 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-16 21:01:24,764 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-16 21:01:24,764 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-10-16 21:01:24,765 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-16 21:01:24,765 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-16 21:01:24,765 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-16 21:01:24,765 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-16 21:01:24,765 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-16 21:01:24,765 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-16 21:01:24,765 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-16 21:01:24,766 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-16 21:01:24,774 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-16 21:01:24,774 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-16 21:01:24,774 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-16 21:01:24,774 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-16 21:01:24,774 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-16 21:01:24,774 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-16 21:01:24,856 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-16 21:01:24,877 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-16 21:01:24,884 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-16 21:01:24,885 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-16 21:01:24,886 INFO L276 PluginConnector]: CDTParser initialized [2018-10-16 21:01:24,886 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.21_false-no-overflow.c [2018-10-16 21:01:24,984 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a9d58656/5fcf7cfc25094d19bddfdd266cb90003/FLAG2ac3429a9 [2018-10-16 21:01:25,633 INFO L298 CDTParser]: Found 1 translation units. [2018-10-16 21:01:25,633 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.21_false-no-overflow.c [2018-10-16 21:01:25,642 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a9d58656/5fcf7cfc25094d19bddfdd266cb90003/FLAG2ac3429a9 [2018-10-16 21:01:25,659 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a9d58656/5fcf7cfc25094d19bddfdd266cb90003 [2018-10-16 21:01:25,673 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-16 21:01:25,674 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2018-10-16 21:01:25,678 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-16 21:01:25,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-16 21:01:25,687 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-16 21:01:25,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 09:01:25" (1/1) ... [2018-10-16 21:01:25,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77e4ed0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:01:25, skipping insertion in model container [2018-10-16 21:01:25,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 09:01:25" (1/1) ... [2018-10-16 21:01:25,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-16 21:01:25,747 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-16 21:01:26,073 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-16 21:01:26,083 INFO L189 MainTranslator]: Completed pre-run [2018-10-16 21:01:26,113 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-16 21:01:26,140 INFO L193 MainTranslator]: Completed translation [2018-10-16 21:01:26,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:01:26 WrapperNode [2018-10-16 21:01:26,141 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-16 21:01:26,142 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-16 21:01:26,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-16 21:01:26,144 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-16 21:01:26,167 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:01:26" (1/1) ... [2018-10-16 21:01:26,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:01:26" (1/1) ... [2018-10-16 21:01:26,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:01:26" (1/1) ... [2018-10-16 21:01:26,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:01:26" (1/1) ... [2018-10-16 21:01:26,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:01:26" (1/1) ... [2018-10-16 21:01:26,194 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:01:26" (1/1) ... [2018-10-16 21:01:26,197 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 09:01:26" (1/1) ... [2018-10-16 21:01:26,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-16 21:01:26,204 INFO L168 Benchmark]: Toolchain (without parser) took 530.81 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: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 3.9 GB. [2018-10-16 21:01:26,213 INFO L168 Benchmark]: CDTParser took 0.13 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. [2018-10-16 21:01:26,214 INFO L168 Benchmark]: CACSL2BoogieTranslator took 464.12 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: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 3.9 GB. [2018-10-16 21:01:26,216 INFO L168 Benchmark]: Boogie Preprocessor took 56.40 ms. Allocated memory is still 2.0 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 3.9 GB. [2018-10-16 21:01:26,224 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 0.13 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 464.12 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: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 3.9 GB. * Boogie Preprocessor took 56.40 ms. Allocated memory is still 2.0 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 3.9 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...