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-RCFG.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/termination-crafted/NestedRecursion_1b_true-no-overflow_true-termination_true-valid-memsafety.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c5d0219 [2018-11-15 01:25:36,133 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-15 01:25:36,137 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-15 01:25:36,166 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-15 01:25:36,167 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-15 01:25:36,169 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-15 01:25:36,178 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-15 01:25:36,184 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-15 01:25:36,190 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-15 01:25:36,191 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-15 01:25:36,203 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-15 01:25:36,204 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-15 01:25:36,211 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-15 01:25:36,212 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-15 01:25:36,218 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-15 01:25:36,219 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-15 01:25:36,220 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-15 01:25:36,228 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-15 01:25:36,236 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-15 01:25:36,243 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-15 01:25:36,245 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-15 01:25:36,248 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-15 01:25:36,254 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-15 01:25:36,254 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-15 01:25:36,261 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-15 01:25:36,262 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-15 01:25:36,263 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-15 01:25:36,273 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-15 01:25:36,274 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-15 01:25:36,280 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-15 01:25:36,281 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-15 01:25:36,282 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-15 01:25:36,282 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-15 01:25:36,282 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-15 01:25:36,287 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-15 01:25:36,289 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-15 01:25:36,290 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 [2018-11-15 01:25:36,337 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-15 01:25:36,337 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-15 01:25:36,342 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-15 01:25:36,342 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-15 01:25:36,349 INFO L133 SettingsManager]: * Use SBE=true [2018-11-15 01:25:36,349 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-15 01:25:36,350 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-15 01:25:36,350 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-15 01:25:36,350 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-15 01:25:36,350 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-15 01:25:36,350 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-15 01:25:36,351 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-15 01:25:36,351 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-15 01:25:36,351 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-15 01:25:36,351 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-15 01:25:36,351 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-15 01:25:36,355 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-15 01:25:36,355 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-15 01:25:36,355 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-15 01:25:36,356 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-15 01:25:36,356 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-15 01:25:36,356 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-15 01:25:36,356 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-15 01:25:36,356 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-15 01:25:36,357 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-15 01:25:36,357 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-15 01:25:36,357 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-15 01:25:36,357 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-15 01:25:36,362 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-15 01:25:36,479 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-15 01:25:36,515 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-15 01:25:36,524 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-15 01:25:36,526 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-15 01:25:36,527 INFO L276 PluginConnector]: CDTParser initialized [2018-11-15 01:25:36,527 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/termination-crafted/NestedRecursion_1b_true-no-overflow_true-termination_true-valid-memsafety.c [2018-11-15 01:25:36,640 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08000578c/c54a730b937a4377958e5c977380ad1a/FLAG34d9a4423 [2018-11-15 01:25:37,686 INFO L298 CDTParser]: Found 1 translation units. [2018-11-15 01:25:37,690 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/termination-crafted/NestedRecursion_1b_true-no-overflow_true-termination_true-valid-memsafety.c [2018-11-15 01:25:37,716 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08000578c/c54a730b937a4377958e5c977380ad1a/FLAG34d9a4423 [2018-11-15 01:25:37,759 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08000578c/c54a730b937a4377958e5c977380ad1a [2018-11-15 01:25:37,791 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-15 01:25:37,797 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-11-15 01:25:37,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-15 01:25:37,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-15 01:25:37,813 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-15 01:25:37,820 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 01:25:37" (1/1) ... [2018-11-15 01:25:37,827 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5da9f1ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:25:37, skipping insertion in model container [2018-11-15 01:25:37,828 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 01:25:37" (1/1) ... [2018-11-15 01:25:37,856 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-15 01:25:37,900 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-15 01:25:38,291 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-15 01:25:38,302 INFO L191 MainTranslator]: Completed pre-run [2018-11-15 01:25:38,346 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-15 01:25:38,375 INFO L195 MainTranslator]: Completed translation [2018-11-15 01:25:38,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:25:38 WrapperNode [2018-11-15 01:25:38,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-15 01:25:38,380 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-15 01:25:38,380 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-15 01:25:38,380 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-15 01:25:38,394 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:25:38" (1/1) ... [2018-11-15 01:25:38,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:25:38" (1/1) ... [2018-11-15 01:25:38,406 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:25:38" (1/1) ... [2018-11-15 01:25:38,406 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:25:38" (1/1) ... [2018-11-15 01:25:38,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:25:38" (1/1) ... [2018-11-15 01:25:38,418 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:25:38" (1/1) ... [2018-11-15 01:25:38,429 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:25:38" (1/1) ... [2018-11-15 01:25:38,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-15 01:25:38,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-15 01:25:38,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-15 01:25:38,433 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-15 01:25:38,434 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:25:38" (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 [2018-11-15 01:25:38,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-15 01:25:38,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-15 01:25:38,635 INFO L138 BoogieDeclarations]: Found implementation of procedure rec1 [2018-11-15 01:25:38,635 INFO L138 BoogieDeclarations]: Found implementation of procedure rec2 [2018-11-15 01:25:38,635 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-15 01:25:38,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-15 01:25:38,635 INFO L130 BoogieDeclarations]: Found specification of procedure rec1 [2018-11-15 01:25:38,636 INFO L130 BoogieDeclarations]: Found specification of procedure rec2 [2018-11-15 01:25:38,636 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-15 01:25:38,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-15 01:25:38,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-15 01:25:39,791 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-15 01:25:39,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 01:25:39 BoogieIcfgContainer [2018-11-15 01:25:39,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-15 01:25:39,802 INFO L168 Benchmark]: Toolchain (without parser) took 2009.85 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: -33.2 MB). Peak memory consumption was 34.5 MB. Max. memory is 3.9 GB. [2018-11-15 01:25:39,808 INFO L168 Benchmark]: CDTParser took 0.23 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. [2018-11-15 01:25:39,811 INFO L168 Benchmark]: CACSL2BoogieTranslator took 575.86 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. [2018-11-15 01:25:39,813 INFO L168 Benchmark]: Boogie Preprocessor took 51.97 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. [2018-11-15 01:25:39,813 INFO L168 Benchmark]: RCFGBuilder took 1363.04 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: -44.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 3.9 GB. [2018-11-15 01:25:39,828 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 0.23 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 575.86 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 51.97 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. * RCFGBuilder took 1363.04 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: -44.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 3.9 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...