java -ea -Xmx2000000000 -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-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/recursive/Ackermann02_false-unreach-call_true-no-overflow_true-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8089ee1 [2018-10-02 10:59:06,818 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-02 10:59:06,824 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-02 10:59:06,859 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-02 10:59:06,860 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-02 10:59:06,864 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-02 10:59:06,865 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-02 10:59:06,870 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-02 10:59:06,876 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-02 10:59:06,877 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-02 10:59:06,891 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-02 10:59:06,891 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-02 10:59:06,898 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-02 10:59:06,899 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-02 10:59:06,912 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-02 10:59:06,915 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-02 10:59:06,917 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-02 10:59:06,925 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-02 10:59:06,937 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-02 10:59:06,939 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-02 10:59:06,945 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-02 10:59:06,948 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-02 10:59:06,962 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-02 10:59:06,982 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-02 10:59:06,982 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-02 10:59:06,983 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-02 10:59:06,991 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-02 10:59:06,991 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-10-02 10:59:07,034 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-02 10:59:07,035 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-02 10:59:07,038 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-02 10:59:07,038 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-02 10:59:07,045 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-02 10:59:07,045 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-02 10:59:07,045 INFO L133 SettingsManager]: * Use SBE=true [2018-10-02 10:59:07,045 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-02 10:59:07,046 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-02 10:59:07,046 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-02 10:59:07,046 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-02 10:59:07,046 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-02 10:59:07,050 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-02 10:59:07,051 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-02 10:59:07,051 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-02 10:59:07,051 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-02 10:59:07,051 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-02 10:59:07,052 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-02 10:59:07,052 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-02 10:59:07,052 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-02 10:59:07,052 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-02 10:59:07,052 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-02 10:59:07,053 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-02 10:59:07,053 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-02 10:59:07,053 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-02 10:59:07,053 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-02 10:59:07,057 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-02 10:59:07,057 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-10-02 10:59:07,057 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-02 10:59:07,057 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-02 10:59:07,058 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-02 10:59:07,062 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-02 10:59:07,180 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-02 10:59:07,215 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-02 10:59:07,229 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-02 10:59:07,231 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-02 10:59:07,234 INFO L276 PluginConnector]: CDTParser initialized [2018-10-02 10:59:07,235 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/Ackermann02_false-unreach-call_true-no-overflow_true-termination.c [2018-10-02 10:59:07,822 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/423c43cd9/5c64cbb7cc0d435db8f9dc766e420c0d/FLAG10ea08c42 [2018-10-02 10:59:08,240 INFO L277 CDTParser]: Found 1 translation units. [2018-10-02 10:59:08,243 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive/Ackermann02_false-unreach-call_true-no-overflow_true-termination.c [2018-10-02 10:59:08,257 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/423c43cd9/5c64cbb7cc0d435db8f9dc766e420c0d/FLAG10ea08c42 [2018-10-02 10:59:08,301 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/423c43cd9/5c64cbb7cc0d435db8f9dc766e420c0d [2018-10-02 10:59:08,318 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-02 10:59:08,324 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2018-10-02 10:59:08,330 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-02 10:59:08,330 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-02 10:59:08,337 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-02 10:59:08,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 10:59:08" (1/1) ... [2018-10-02 10:59:08,354 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ef36450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:59:08, skipping insertion in model container [2018-10-02 10:59:08,354 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 10:59:08" (1/1) ... [2018-10-02 10:59:08,379 INFO L124 MainTranslator]: Starting translation in SV-COMP mode [2018-10-02 10:59:08,432 INFO L151 MainTranslator]: Built tables and reachable declarations [2018-10-02 10:59:08,914 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-02 10:59:08,927 INFO L166 MainTranslator]: Completed pre-run [2018-10-02 10:59:08,983 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-02 10:59:09,027 INFO L170 MainTranslator]: Completed translation [2018-10-02 10:59:09,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:59:09 WrapperNode [2018-10-02 10:59:09,028 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-02 10:59:09,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-02 10:59:09,031 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-02 10:59:09,032 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-02 10:59:09,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:59:09" (1/1) ... [2018-10-02 10:59:09,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:59:09" (1/1) ... [2018-10-02 10:59:09,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:59:09" (1/1) ... [2018-10-02 10:59:09,089 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:59:09" (1/1) ... [2018-10-02 10:59:09,106 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:59:09" (1/1) ... [2018-10-02 10:59:09,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:59:09" (1/1) ... [2018-10-02 10:59:09,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:59:09" (1/1) ... [2018-10-02 10:59:09,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-02 10:59:09,131 INFO L168 Benchmark]: Toolchain (without parser) took 812.84 ms. Allocated memory is still 1.9 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 1.9 GB. [2018-10-02 10:59:09,138 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.9 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 1.9 GB. [2018-10-02 10:59:09,142 INFO L168 Benchmark]: CACSL2BoogieTranslator took 698.13 ms. Allocated memory is still 1.9 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 1.9 GB. [2018-10-02 10:59:09,144 INFO L168 Benchmark]: Boogie Preprocessor took 97.39 ms. Allocated memory is still 1.9 GB. Free memory is still 1.8 GB. There was no memory consumed. Max. memory is 1.9 GB. [2018-10-02 10:59:09,153 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 0.22 ms. Allocated memory is still 1.9 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 1.9 GB. * CACSL2BoogieTranslator took 698.13 ms. Allocated memory is still 1.9 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 1.9 GB. * Boogie Preprocessor took 97.39 ms. Allocated memory is still 1.9 GB. Free memory is still 1.8 GB. There was no memory consumed. Max. memory is 1.9 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...