./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/termination-crafted/easy2-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/termination-crafted/easy2-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 75d609d205f56e3164255114b6f6d5769a029995 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/termination-crafted/easy2-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 75d609d205f56e3164255114b6f6d5769a029995 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 17:46:54,099 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:46:54,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:46:54,127 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:46:54,129 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:46:54,146 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:46:54,149 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:46:54,167 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:46:54,169 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:46:54,177 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:46:54,179 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:46:54,185 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:46:54,185 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:46:54,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:46:54,194 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:46:54,199 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:46:54,203 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:46:54,209 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:46:54,211 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:46:54,222 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:46:54,229 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:46:54,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:46:54,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:46:54,244 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:46:54,252 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:46:54,256 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:46:54,256 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:46:54,259 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:46:54,259 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:46:54,261 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:46:54,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:46:54,265 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:46:54,266 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:46:54,270 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:46:54,274 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:46:54,275 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:46:54,276 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:46:54,277 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:46:54,277 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:46:54,278 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:46:54,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:46:54,283 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-27 17:46:54,323 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:46:54,325 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:46:54,330 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:46:54,330 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:46:54,333 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:46:54,333 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:46:54,333 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:46:54,334 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:46:54,334 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:46:54,334 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:46:54,336 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:46:54,336 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:46:54,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:46:54,338 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:46:54,338 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:46:54,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:46:54,339 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:46:54,339 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:46:54,341 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:46:54,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:46:54,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:46:54,342 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:46:54,344 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:46:54,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:46:54,344 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75d609d205f56e3164255114b6f6d5769a029995 [2019-11-27 17:46:54,938 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:46:54,969 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:46:54,979 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:46:54,981 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:46:54,982 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:46:54,983 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/easy2-2.c [2019-11-27 17:46:55,147 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6701779b4/36d2eb8b2806401f910a31e4d190aba3/FLAG816091684 [2019-11-27 17:46:56,143 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:46:56,144 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/easy2-2.c [2019-11-27 17:46:56,161 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6701779b4/36d2eb8b2806401f910a31e4d190aba3/FLAG816091684 [2019-11-27 17:46:56,201 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6701779b4/36d2eb8b2806401f910a31e4d190aba3 [2019-11-27 17:46:56,212 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:46:56,216 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:46:56,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:56,223 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:46:56,232 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:46:56,233 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:56" (1/1) ... [2019-11-27 17:46:56,244 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c002b55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:56, skipping insertion in model container [2019-11-27 17:46:56,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:56" (1/1) ... [2019-11-27 17:46:56,265 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:46:56,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:46:56,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:56,730 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:46:56,751 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:56,783 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:46:56,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:56 WrapperNode [2019-11-27 17:46:56,784 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:56,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:46:56,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:46:56,785 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:46:56,882 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:56" (1/1) ... [2019-11-27 17:46:56,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:56" (1/1) ... [2019-11-27 17:46:56,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:56" (1/1) ... [2019-11-27 17:46:56,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:56" (1/1) ... [2019-11-27 17:46:56,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:56" (1/1) ... [2019-11-27 17:46:56,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:56" (1/1) ... [2019-11-27 17:46:56,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:56" (1/1) ... [2019-11-27 17:46:56,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:46:56,939 INFO L168 Benchmark]: Toolchain (without parser) took 718.09 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 997.0 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:56,942 INFO L168 Benchmark]: CDTParser took 1.43 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:46:56,945 INFO L168 Benchmark]: CACSL2BoogieTranslator took 563.43 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:56,950 INFO L168 Benchmark]: Boogie Preprocessor took 144.88 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:56,960 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.43 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 563.43 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 144.88 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 17:47:00,928 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:47:00,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:47:00,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:47:00,963 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:47:00,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:47:00,979 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:47:00,998 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:47:01,000 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:47:01,008 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:47:01,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:47:01,015 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:47:01,019 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:47:01,023 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:47:01,027 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:47:01,030 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:47:01,035 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:47:01,037 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:47:01,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:47:01,050 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:47:01,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:47:01,065 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:47:01,068 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:47:01,072 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:47:01,082 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:47:01,083 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:47:01,083 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:47:01,085 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:47:01,088 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:47:01,089 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:47:01,093 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:47:01,094 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:47:01,095 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:47:01,099 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:47:01,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:47:01,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:47:01,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:47:01,106 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:47:01,106 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:47:01,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:47:01,112 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:47:01,113 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-27 17:47:01,155 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:47:01,157 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:47:01,162 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:47:01,162 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:47:01,163 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:47:01,165 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:47:01,165 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:47:01,166 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:47:01,166 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:47:01,166 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:47:01,170 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:47:01,170 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:47:01,171 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:47:01,171 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:47:01,172 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:47:01,172 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:47:01,172 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:47:01,173 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:47:01,175 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:47:01,175 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:47:01,175 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:47:01,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:47:01,176 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:47:01,178 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:47:01,178 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:47:01,178 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:47:01,179 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:47:01,181 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75d609d205f56e3164255114b6f6d5769a029995 [2019-11-27 17:47:01,753 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:47:01,782 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:47:01,790 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:47:01,794 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:47:01,796 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:47:01,799 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/easy2-2.c [2019-11-27 17:47:01,966 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cfdd2ea6/d306e53f34f54c789b63640f22f8e20f/FLAG6d72bb860 [2019-11-27 17:47:03,012 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:47:03,013 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/easy2-2.c [2019-11-27 17:47:03,031 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cfdd2ea6/d306e53f34f54c789b63640f22f8e20f/FLAG6d72bb860 [2019-11-27 17:47:03,066 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cfdd2ea6/d306e53f34f54c789b63640f22f8e20f [2019-11-27 17:47:03,078 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:47:03,082 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:47:03,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:47:03,088 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:47:03,099 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:47:03,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:47:03" (1/1) ... [2019-11-27 17:47:03,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c002b55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:03, skipping insertion in model container [2019-11-27 17:47:03,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:47:03" (1/1) ... [2019-11-27 17:47:03,129 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:47:03,175 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:47:03,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:47:03,622 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:47:03,667 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:47:03,698 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:47:03,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:03 WrapperNode [2019-11-27 17:47:03,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:47:03,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:47:03,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:47:03,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:47:03,830 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:03" (1/1) ... [2019-11-27 17:47:03,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:03" (1/1) ... [2019-11-27 17:47:03,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:03" (1/1) ... [2019-11-27 17:47:03,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:03" (1/1) ... [2019-11-27 17:47:03,867 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:03" (1/1) ... [2019-11-27 17:47:03,879 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:03" (1/1) ... [2019-11-27 17:47:03,880 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:03" (1/1) ... [2019-11-27 17:47:03,884 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:47:03,895 INFO L168 Benchmark]: Toolchain (without parser) took 807.92 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.1 MB in the end (delta: -35.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 17:47:03,898 INFO L168 Benchmark]: CDTParser took 2.44 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:47:03,901 INFO L168 Benchmark]: CACSL2BoogieTranslator took 616.93 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 17:47:03,904 INFO L168 Benchmark]: Boogie Preprocessor took 178.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.1 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.0 MB. Max. memory is 12.5 GB. [2019-11-27 17:47:03,914 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.44 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 616.93 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 178.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.1 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.0 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...