./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/verifythis/prefixsum_iter.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 65d6cd23 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/verifythis/prefixsum_iter.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-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 32bit --witnessprinter.graph.data.programhash 3f80b8c4eb15aaab54b9ff42df2afd9ba8d11db1 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/verifythis/prefixsum_iter.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-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 32bit --witnessprinter.graph.data.programhash 3f80b8c4eb15aaab54b9ff42df2afd9ba8d11db1 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:25:27,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:25:27,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:25:27,951 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:25:27,953 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:25:27,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:25:27,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:25:27,986 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:25:27,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:25:27,996 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:25:27,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:25:28,003 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:25:28,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:25:28,010 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:25:28,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:25:28,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:25:28,022 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:25:28,025 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:25:28,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:25:28,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:25:28,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:25:28,054 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:25:28,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:25:28,061 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:25:28,069 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:25:28,070 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:25:28,070 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:25:28,072 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:25:28,074 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:25:28,075 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:25:28,077 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:25:28,080 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:25:28,082 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:25:28,085 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:25:28,087 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:25:28,087 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:25:28,090 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:25:28,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:25:28,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:25:28,094 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:25:28,099 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:25:28,100 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 00:25:28,136 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:25:28,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:25:28,143 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:25:28,145 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:25:28,145 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:25:28,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:25:28,147 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:25:28,147 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:25:28,147 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:25:28,150 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:25:28,151 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:25:28,152 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:25:28,152 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:25:28,153 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:25:28,153 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:25:28,153 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:25:28,155 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:25:28,155 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:25:28,155 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:25:28,156 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:25:28,158 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:25:28,158 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:25:28,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:25:28,159 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:25:28,159 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:25:28,159 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:25:28,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:25:28,162 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f80b8c4eb15aaab54b9ff42df2afd9ba8d11db1 [2019-11-26 00:25:28,825 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:25:28,859 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:25:28,868 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:25:28,870 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:25:28,871 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:25:28,872 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/prefixsum_iter.c [2019-11-26 00:25:29,034 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/474802767/49e240526e15458c8ac3d3d76235e08b/FLAG8c11f095a [2019-11-26 00:25:30,142 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:25:30,143 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/prefixsum_iter.c [2019-11-26 00:25:30,160 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/474802767/49e240526e15458c8ac3d3d76235e08b/FLAG8c11f095a [2019-11-26 00:25:30,200 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/474802767/49e240526e15458c8ac3d3d76235e08b [2019-11-26 00:25:30,209 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:25:30,217 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:25:30,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:25:30,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:25:30,229 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:25:30,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:25:30" (1/1) ... [2019-11-26 00:25:30,241 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3daa3e27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:30, skipping insertion in model container [2019-11-26 00:25:30,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:25:30" (1/1) ... [2019-11-26 00:25:30,263 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:25:30,324 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:25:30,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:25:30,859 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:25:31,056 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:25:31,091 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:25:31,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:31 WrapperNode [2019-11-26 00:25:31,093 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:25:31,095 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:25:31,095 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:25:31,095 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:25:31,114 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:31" (1/1) ... [2019-11-26 00:25:31,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:31" (1/1) ... [2019-11-26 00:25:31,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:31" (1/1) ... [2019-11-26 00:25:31,178 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:31" (1/1) ... [2019-11-26 00:25:31,223 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:31" (1/1) ... [2019-11-26 00:25:31,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:31" (1/1) ... [2019-11-26 00:25:31,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:31" (1/1) ... [2019-11-26 00:25:31,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:25:31,263 INFO L168 Benchmark]: Toolchain (without parser) took 1042.37 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 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:25:31,263 INFO L168 Benchmark]: CDTParser took 3.99 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. [2019-11-26 00:25:31,266 INFO L168 Benchmark]: CACSL2BoogieTranslator took 874.47 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 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-26 00:25:31,267 INFO L168 Benchmark]: Boogie Preprocessor took 160.44 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:25:31,272 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.99 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 874.47 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 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 160.44 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. 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 0.1.24-65d6cd2 [2019-11-26 00:25:35,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:25:35,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:25:35,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:25:35,082 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:25:35,087 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:25:35,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:25:35,106 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:25:35,110 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:25:35,116 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:25:35,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:25:35,123 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:25:35,126 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:25:35,132 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:25:35,134 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:25:35,139 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:25:35,143 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:25:35,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:25:35,156 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:25:35,162 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:25:35,170 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:25:35,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:25:35,182 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:25:35,186 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:25:35,197 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:25:35,197 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:25:35,198 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:25:35,204 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:25:35,204 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:25:35,206 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:25:35,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:25:35,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:25:35,215 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:25:35,216 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:25:35,220 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:25:35,220 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:25:35,225 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:25:35,225 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:25:35,226 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:25:35,227 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:25:35,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:25:35,233 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 00:25:35,276 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:25:35,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:25:35,283 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:25:35,286 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:25:35,287 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:25:35,287 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:25:35,287 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:25:35,288 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:25:35,288 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:25:35,288 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:25:35,290 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:25:35,290 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:25:35,290 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:25:35,293 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:25:35,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:25:35,294 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:25:35,294 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:25:35,295 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:25:35,295 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:25:35,295 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:25:35,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:25:35,298 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:25:35,298 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:25:35,298 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:25:35,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:25:35,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:25:35,299 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:25:35,300 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:25:35,301 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:25:35,301 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:25:35,302 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f80b8c4eb15aaab54b9ff42df2afd9ba8d11db1 [2019-11-26 00:25:35,867 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:25:35,898 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:25:35,905 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:25:35,910 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:25:35,911 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:25:35,912 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/prefixsum_iter.c [2019-11-26 00:25:36,065 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49a8ca58e/31572856122c4847bf556d5b6e99bcfa/FLAG5d3d593d6 [2019-11-26 00:25:37,164 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:25:37,165 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/prefixsum_iter.c [2019-11-26 00:25:37,186 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49a8ca58e/31572856122c4847bf556d5b6e99bcfa/FLAG5d3d593d6 [2019-11-26 00:25:37,225 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49a8ca58e/31572856122c4847bf556d5b6e99bcfa [2019-11-26 00:25:37,235 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:25:37,242 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:25:37,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:25:37,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:25:37,256 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:25:37,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:25:37" (1/1) ... [2019-11-26 00:25:37,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@683bac6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:37, skipping insertion in model container [2019-11-26 00:25:37,262 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:25:37" (1/1) ... [2019-11-26 00:25:37,280 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:25:37,340 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:25:37,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:25:37,889 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:25:38,066 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:25:38,104 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:25:38,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:38 WrapperNode [2019-11-26 00:25:38,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:25:38,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:25:38,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:25:38,114 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:25:38,131 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:38" (1/1) ... [2019-11-26 00:25:38,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:38" (1/1) ... [2019-11-26 00:25:38,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:38" (1/1) ... [2019-11-26 00:25:38,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:38" (1/1) ... [2019-11-26 00:25:38,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:38" (1/1) ... [2019-11-26 00:25:38,239 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:38" (1/1) ... [2019-11-26 00:25:38,248 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:38" (1/1) ... [2019-11-26 00:25:38,253 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:25:38,258 INFO L168 Benchmark]: Toolchain (without parser) took 1018.37 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 991.2 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:25:38,259 INFO L168 Benchmark]: CDTParser took 0.37 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. [2019-11-26 00:25:38,261 INFO L168 Benchmark]: CACSL2BoogieTranslator took 870.41 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 991.2 MB in the end (delta: -23.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:25:38,261 INFO L168 Benchmark]: Boogie Preprocessor took 140.47 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:25:38,274 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 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 870.41 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 991.2 MB in the end (delta: -23.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 140.47 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...