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-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/termination-crafted/NestedRecursion_2b_true-no-overflow_false-termination_true-valid-memsafety.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-896c194 [2018-11-11 22:22:41,048 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-11 22:22:41,057 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-11 22:22:41,092 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-11 22:22:41,093 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-11 22:22:41,096 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-11 22:22:41,097 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-11 22:22:41,106 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-11 22:22:41,110 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-11 22:22:41,115 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-11 22:22:41,118 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-11 22:22:41,118 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-11 22:22:41,119 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-11 22:22:41,127 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-11 22:22:41,133 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-11 22:22:41,138 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-11 22:22:41,139 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-11 22:22:41,144 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-11 22:22:41,158 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-11 22:22:41,167 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-11 22:22:41,168 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-11 22:22:41,174 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-11 22:22:41,182 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-11 22:22:41,202 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-11 22:22:41,202 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-11 22:22:41,209 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-11 22:22:41,210 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-11 22:22:41,210 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2018-11-11 22:22:41,261 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-11 22:22:41,262 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-11 22:22:41,271 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-11 22:22:41,272 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-11 22:22:41,279 INFO L133 SettingsManager]: * Use SBE=true [2018-11-11 22:22:41,279 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-11 22:22:41,279 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-11 22:22:41,279 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-11 22:22:41,280 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-11 22:22:41,280 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-11 22:22:41,280 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-11 22:22:41,280 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-11 22:22:41,280 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-11 22:22:41,281 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-11 22:22:41,281 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-11 22:22:41,281 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-11 22:22:41,281 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-11 22:22:41,281 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-11 22:22:41,282 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-11 22:22:41,282 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-11 22:22:41,282 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-11 22:22:41,282 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-11 22:22:41,283 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-11 22:22:41,284 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-11 22:22:41,284 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-11 22:22:41,285 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-11 22:22:41,285 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-11 22:22:41,285 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-11 22:22:41,285 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-11 22:22:41,408 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-11 22:22:41,444 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-11 22:22:41,454 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-11 22:22:41,459 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-11 22:22:41,460 INFO L276 PluginConnector]: CDTParser initialized [2018-11-11 22:22:41,462 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/termination-crafted/NestedRecursion_2b_true-no-overflow_false-termination_true-valid-memsafety.c [2018-11-11 22:22:41,600 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8fd29a7c/f2bab0d319094bfe95e9c5c1799e0b83/FLAGfffe1ada1 [2018-11-11 22:22:42,600 INFO L298 CDTParser]: Found 1 translation units. [2018-11-11 22:22:42,601 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/termination-crafted/NestedRecursion_2b_true-no-overflow_false-termination_true-valid-memsafety.c [2018-11-11 22:22:42,615 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8fd29a7c/f2bab0d319094bfe95e9c5c1799e0b83/FLAGfffe1ada1 [2018-11-11 22:22:42,635 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8fd29a7c/f2bab0d319094bfe95e9c5c1799e0b83 [2018-11-11 22:22:42,649 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-11 22:22:42,659 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2018-11-11 22:22:42,662 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-11 22:22:42,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-11 22:22:42,676 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-11 22:22:42,678 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 10:22:42" (1/1) ... [2018-11-11 22:22:42,685 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69bd2774 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 10:22:42, skipping insertion in model container [2018-11-11 22:22:42,685 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 10:22:42" (1/1) ... [2018-11-11 22:22:42,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-11 22:22:42,760 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-11 22:22:43,270 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-11 22:22:43,287 INFO L189 MainTranslator]: Completed pre-run [2018-11-11 22:22:43,328 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-11 22:22:43,369 INFO L193 MainTranslator]: Completed translation [2018-11-11 22:22:43,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 10:22:43 WrapperNode [2018-11-11 22:22:43,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-11 22:22:43,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-11 22:22:43,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-11 22:22:43,374 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-11 22:22:43,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 10:22:43" (1/1) ... [2018-11-11 22:22:43,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 10:22:43" (1/1) ... [2018-11-11 22:22:43,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 10:22:43" (1/1) ... [2018-11-11 22:22:43,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 10:22:43" (1/1) ... [2018-11-11 22:22:43,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 10:22:43" (1/1) ... [2018-11-11 22:22:43,453 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 10:22:43" (1/1) ... [2018-11-11 22:22:43,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 10:22:43" (1/1) ... [2018-11-11 22:22:43,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-11 22:22:43,462 INFO L168 Benchmark]: Toolchain (without parser) took 812.57 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. [2018-11-11 22:22:43,470 INFO L168 Benchmark]: CDTParser took 0.29 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. [2018-11-11 22:22:43,474 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.50 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. [2018-11-11 22:22:43,475 INFO L168 Benchmark]: Boogie Preprocessor took 86.03 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. [2018-11-11 22:22:43,488 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 0.29 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 711.50 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 86.03 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...