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/loops/nec20_false-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8089ee1 [2018-10-02 10:55:20,856 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-02 10:55:20,863 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-02 10:55:20,893 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-02 10:55:20,894 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-02 10:55:20,895 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-02 10:55:20,902 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-02 10:55:20,908 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-02 10:55:20,917 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-02 10:55:20,918 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-02 10:55:20,931 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-02 10:55:20,932 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-02 10:55:20,933 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-02 10:55:20,934 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-02 10:55:20,941 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-02 10:55:20,942 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-02 10:55:20,948 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-02 10:55:20,955 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-02 10:55:20,965 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-02 10:55:20,967 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-02 10:55:20,972 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-02 10:55:20,976 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-02 10:55:20,981 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-02 10:55:21,004 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-02 10:55:21,004 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-02 10:55:21,008 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-02 10:55:21,009 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-02 10:55:21,009 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 10:55:21,060 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-02 10:55:21,063 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-02 10:55:21,065 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-02 10:55:21,065 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-02 10:55:21,066 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-02 10:55:21,067 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-02 10:55:21,067 INFO L133 SettingsManager]: * Use SBE=true [2018-10-02 10:55:21,067 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-02 10:55:21,067 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-02 10:55:21,068 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-02 10:55:21,072 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-02 10:55:21,072 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-02 10:55:21,072 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-02 10:55:21,072 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-02 10:55:21,073 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-02 10:55:21,073 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-02 10:55:21,073 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-02 10:55:21,073 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-02 10:55:21,073 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-02 10:55:21,074 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-02 10:55:21,074 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-02 10:55:21,074 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-02 10:55:21,074 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-02 10:55:21,074 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-02 10:55:21,075 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-02 10:55:21,075 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-02 10:55:21,075 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-02 10:55:21,081 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-10-02 10:55:21,082 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-02 10:55:21,082 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-02 10:55:21,082 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-02 10:55:21,082 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-02 10:55:21,206 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-02 10:55:21,244 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-02 10:55:21,250 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-02 10:55:21,252 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-02 10:55:21,252 INFO L276 PluginConnector]: CDTParser initialized [2018-10-02 10:55:21,253 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/nec20_false-unreach-call_true-termination.i [2018-10-02 10:55:21,790 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b4571e70/650a709229da4b8fa14fa50e878a61c1/FLAG7d3611997 [2018-10-02 10:55:22,241 INFO L277 CDTParser]: Found 1 translation units. [2018-10-02 10:55:22,249 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/nec20_false-unreach-call_true-termination.i [2018-10-02 10:55:22,263 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b4571e70/650a709229da4b8fa14fa50e878a61c1/FLAG7d3611997 [2018-10-02 10:55:22,311 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b4571e70/650a709229da4b8fa14fa50e878a61c1 [2018-10-02 10:55:22,339 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-02 10:55:22,347 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2018-10-02 10:55:22,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-02 10:55:22,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-02 10:55:22,364 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-02 10:55:22,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 10:55:22" (1/1) ... [2018-10-02 10:55:22,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8820344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:55:22, skipping insertion in model container [2018-10-02 10:55:22,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 10:55:22" (1/1) ... [2018-10-02 10:55:22,400 INFO L124 MainTranslator]: Starting translation in SV-COMP mode [2018-10-02 10:55:22,455 INFO L151 MainTranslator]: Built tables and reachable declarations [2018-10-02 10:55:22,933 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-02 10:55:22,947 INFO L166 MainTranslator]: Completed pre-run [2018-10-02 10:55:23,011 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-02 10:55:23,055 INFO L170 MainTranslator]: Completed translation [2018-10-02 10:55:23,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:55:23 WrapperNode [2018-10-02 10:55:23,059 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-02 10:55:23,060 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-02 10:55:23,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-02 10:55:23,061 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-02 10:55:23,096 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:55:23" (1/1) ... [2018-10-02 10:55:23,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:55:23" (1/1) ... [2018-10-02 10:55:23,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:55:23" (1/1) ... [2018-10-02 10:55:23,120 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:55:23" (1/1) ... [2018-10-02 10:55:23,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:55:23" (1/1) ... [2018-10-02 10:55:23,157 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:55:23" (1/1) ... [2018-10-02 10:55:23,161 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:55:23" (1/1) ... [2018-10-02 10:55:23,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-02 10:55:23,179 INFO L168 Benchmark]: Toolchain (without parser) took 835.11 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 10:55:23,184 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 10:55:23,186 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.97 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 10:55:23,187 INFO L168 Benchmark]: Boogie Preprocessor took 113.34 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 10:55:23,196 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 711.97 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 113.34 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...