./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/termination-crafted/Benghazi.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version da95e156 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/Benghazi.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 2b89ce5b96ce55081609675201b2a9a116c2941a ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/Benghazi.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 2b89ce5b96ce55081609675201b2a9a116c2941a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 11:24:04,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:24:04,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:24:04,171 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:24:04,173 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:24:04,185 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:24:04,187 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:24:04,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:24:04,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:24:04,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:24:04,216 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:24:04,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:24:04,223 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:24:04,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:24:04,231 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:24:04,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:24:04,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:24:04,242 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:24:04,247 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:24:04,255 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:24:04,262 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:24:04,267 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:24:04,270 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:24:04,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:24:04,283 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:24:04,285 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:24:04,285 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:24:04,289 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:24:04,290 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:24:04,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:24:04,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:24:04,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:24:04,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:24:04,301 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:24:04,303 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:24:04,304 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:24:04,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:24:04,307 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:24:04,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:24:04,311 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:24:04,313 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:24:04,316 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-27 11:24:04,353 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:24:04,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:24:04,359 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:24:04,361 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:24:04,361 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:24:04,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:24:04,364 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:24:04,364 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:24:04,364 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:24:04,365 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:24:04,366 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:24:04,366 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:24:04,367 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:24:04,369 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:24:04,370 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:24:04,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:24:04,370 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:24:04,370 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:24:04,371 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:24:04,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:24:04,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:24:04,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:24:04,374 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:24:04,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:24:04,375 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 -> 2b89ce5b96ce55081609675201b2a9a116c2941a [2019-11-27 11:24:04,971 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:24:05,002 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:24:05,009 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:24:05,013 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:24:05,019 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:24:05,020 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Benghazi.c [2019-11-27 11:24:05,166 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb913056a/12f382c1e51b452f9f224f3ff0b759ba/FLAG7de401b3f [2019-11-27 11:24:06,142 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:24:06,144 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Benghazi.c [2019-11-27 11:24:06,160 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb913056a/12f382c1e51b452f9f224f3ff0b759ba/FLAG7de401b3f [2019-11-27 11:24:06,347 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb913056a/12f382c1e51b452f9f224f3ff0b759ba [2019-11-27 11:24:06,358 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:24:06,362 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:24:06,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:24:06,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:24:06,378 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:24:06,379 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:06" (1/1) ... [2019-11-27 11:24:06,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fb5a4f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:06, skipping insertion in model container [2019-11-27 11:24:06,386 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:06" (1/1) ... [2019-11-27 11:24:06,405 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:24:06,453 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:24:06,888 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:24:06,904 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:24:06,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:24:06,980 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:24:06,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:06 WrapperNode [2019-11-27 11:24:06,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:24:06,984 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:24:06,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:24:06,986 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:24:07,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:06" (1/1) ... [2019-11-27 11:24:07,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:06" (1/1) ... [2019-11-27 11:24:07,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:06" (1/1) ... [2019-11-27 11:24:07,035 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:06" (1/1) ... [2019-11-27 11:24:07,043 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:06" (1/1) ... [2019-11-27 11:24:07,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:06" (1/1) ... [2019-11-27 11:24:07,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:06" (1/1) ... [2019-11-27 11:24:07,183 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:24:07,193 INFO L168 Benchmark]: Toolchain (without parser) took 825.75 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 968.8 MB in the beginning and 1.0 GB in the end (delta: -33.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 11:24:07,195 INFO L168 Benchmark]: CDTParser took 0.31 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 11:24:07,197 INFO L168 Benchmark]: CACSL2BoogieTranslator took 616.83 ms. Allocated memory is still 1.0 GB. Free memory was 968.8 MB in the beginning and 957.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 11:24:07,200 INFO L168 Benchmark]: Boogie Preprocessor took 199.85 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 1.0 GB in the end (delta: -45.4 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 11:24:07,206 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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 616.83 ms. Allocated memory is still 1.0 GB. Free memory was 968.8 MB in the beginning and 957.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 199.85 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 1.0 GB in the end (delta: -45.4 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-da95e15 [2019-11-27 11:24:10,963 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:24:10,968 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:24:11,002 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:24:11,004 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:24:11,008 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:24:11,013 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:24:11,029 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:24:11,032 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:24:11,039 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:24:11,041 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:24:11,046 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:24:11,047 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:24:11,065 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:24:11,067 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:24:11,069 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:24:11,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:24:11,078 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:24:11,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:24:11,092 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:24:11,099 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:24:11,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:24:11,109 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:24:11,113 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:24:11,120 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:24:11,121 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:24:11,121 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:24:11,125 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:24:11,126 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:24:11,127 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:24:11,129 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:24:11,132 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:24:11,134 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:24:11,135 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:24:11,138 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:24:11,140 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:24:11,141 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:24:11,143 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:24:11,143 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:24:11,144 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:24:11,147 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:24:11,151 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-27 11:24:11,193 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:24:11,195 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:24:11,197 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:24:11,200 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:24:11,201 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:24:11,201 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:24:11,201 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:24:11,202 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:24:11,202 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:24:11,202 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:24:11,204 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:24:11,205 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:24:11,205 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:24:11,206 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:24:11,207 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:24:11,207 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:24:11,207 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:24:11,208 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:24:11,209 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:24:11,209 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:24:11,211 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:24:11,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:24:11,211 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:24:11,212 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:24:11,212 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:24:11,214 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:24:11,214 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:24:11,214 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 -> 2b89ce5b96ce55081609675201b2a9a116c2941a [2019-11-27 11:24:11,768 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:24:11,799 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:24:11,808 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:24:11,810 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:24:11,811 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:24:11,813 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Benghazi.c [2019-11-27 11:24:11,968 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d62cd7d04/71a309fadd5048c19ebdf15dd3070e0d/FLAG238899197 [2019-11-27 11:24:12,982 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:24:12,983 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Benghazi.c [2019-11-27 11:24:12,997 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d62cd7d04/71a309fadd5048c19ebdf15dd3070e0d/FLAG238899197 [2019-11-27 11:24:13,032 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d62cd7d04/71a309fadd5048c19ebdf15dd3070e0d [2019-11-27 11:24:13,042 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:24:13,049 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:24:13,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:24:13,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:24:13,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:24:13,062 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:13" (1/1) ... [2019-11-27 11:24:13,072 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 11:24:13, skipping insertion in model container [2019-11-27 11:24:13,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:13" (1/1) ... [2019-11-27 11:24:13,091 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:24:13,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:24:13,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:24:13,562 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:24:13,582 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:24:13,620 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:24:13,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:13 WrapperNode [2019-11-27 11:24:13,622 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:24:13,623 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:24:13,623 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:24:13,624 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:24:13,725 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:13" (1/1) ... [2019-11-27 11:24:13,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:13" (1/1) ... [2019-11-27 11:24:13,734 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:13" (1/1) ... [2019-11-27 11:24:13,735 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:13" (1/1) ... [2019-11-27 11:24:13,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:13" (1/1) ... [2019-11-27 11:24:13,763 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:13" (1/1) ... [2019-11-27 11:24:13,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:13" (1/1) ... [2019-11-27 11:24:13,766 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:24:13,786 INFO L168 Benchmark]: Toolchain (without parser) took 725.11 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 11:24:13,787 INFO L168 Benchmark]: CDTParser took 0.77 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 11:24:13,791 INFO L168 Benchmark]: CACSL2BoogieTranslator took 571.57 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 11:24:13,793 INFO L168 Benchmark]: Boogie Preprocessor took 143.14 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 11:24:13,803 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77 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 571.57 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 143.14 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...