./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/array-memsafety/cstrchr_unsafe.i --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/array-memsafety/cstrchr_unsafe.i -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 efc45e5708d4a9b560055cd5abf7b168f9024833 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/array-memsafety/cstrchr_unsafe.i -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 efc45e5708d4a9b560055cd5abf7b168f9024833 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:24:54,798 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:24:54,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:24:54,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:24:54,826 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:24:54,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:24:54,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:24:54,847 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:24:54,855 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:24:54,858 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:24:54,859 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:24:54,864 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:24:54,864 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:24:54,868 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:24:54,870 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:24:54,874 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:24:54,875 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:24:54,876 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:24:54,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:24:54,886 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:24:54,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:24:54,898 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:24:54,899 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:24:54,901 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:24:54,907 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:24:54,908 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:24:54,908 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:24:54,912 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:24:54,912 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:24:54,913 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:24:54,913 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:24:54,914 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:24:54,916 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:24:54,919 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:24:54,921 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:24:54,921 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:24:54,924 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:24:54,925 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:24:54,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:24:54,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:24:54,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:24:54,929 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 00:24:54,959 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:24:54,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:24:54,961 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:24:54,963 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:24:54,963 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:24:54,963 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:24:54,964 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:24:54,964 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:24:54,966 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:24:54,966 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:24:54,967 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:24:54,967 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:24:54,967 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:24:54,968 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:24:54,968 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:24:54,968 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:24:54,971 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:24:54,971 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:24:54,971 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:24:54,972 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:24:54,972 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:24:54,972 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:24:54,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:24:54,972 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:24:54,973 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:24:54,973 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:24:54,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:24:54,976 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 -> efc45e5708d4a9b560055cd5abf7b168f9024833 [2019-11-26 00:24:55,403 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:24:55,423 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:24:55,426 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:24:55,429 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:24:55,433 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:24:55,434 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/cstrchr_unsafe.i [2019-11-26 00:24:55,538 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0eeacac94/ee3e05cbc08b4f99966b14ea624cc924/FLAG9e97fcfbb [2019-11-26 00:24:56,367 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:24:56,369 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/cstrchr_unsafe.i [2019-11-26 00:24:56,405 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0eeacac94/ee3e05cbc08b4f99966b14ea624cc924/FLAG9e97fcfbb [2019-11-26 00:24:56,572 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0eeacac94/ee3e05cbc08b4f99966b14ea624cc924 [2019-11-26 00:24:56,576 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:24:56,579 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:24:56,586 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:24:56,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:24:56,589 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:24:56,590 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:24:56" (1/1) ... [2019-11-26 00:24:56,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a851b3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:56, skipping insertion in model container [2019-11-26 00:24:56,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:24:56" (1/1) ... [2019-11-26 00:24:56,605 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:24:56,685 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:24:57,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:24:57,327 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:24:57,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:24:57,502 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:24:57,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:57 WrapperNode [2019-11-26 00:24:57,505 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:24:57,506 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:24:57,506 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:24:57,506 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:24:57,517 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:57" (1/1) ... [2019-11-26 00:24:57,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:57" (1/1) ... [2019-11-26 00:24:57,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:57" (1/1) ... [2019-11-26 00:24:57,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:57" (1/1) ... [2019-11-26 00:24:57,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:57" (1/1) ... [2019-11-26 00:24:57,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:57" (1/1) ... [2019-11-26 00:24:57,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:57" (1/1) ... [2019-11-26 00:24:57,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:24:57,636 INFO L168 Benchmark]: Toolchain (without parser) took 1049.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.5 MB in the end (delta: -16.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:24:57,639 INFO L168 Benchmark]: CDTParser took 0.45 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 00:24:57,651 INFO L168 Benchmark]: CACSL2BoogieTranslator took 919.05 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 978.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-26 00:24:57,652 INFO L168 Benchmark]: Boogie Preprocessor took 118.95 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:24:57,661 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 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 919.05 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 978.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 118.95 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 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 00:25:00,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:25:00,394 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:25:00,417 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:25:00,417 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:25:00,419 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:25:00,422 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:25:00,435 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:25:00,439 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:25:00,445 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:25:00,446 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:25:00,451 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:25:00,451 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:25:00,453 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:25:00,457 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:25:00,458 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:25:00,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:25:00,462 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:25:00,467 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:25:00,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:25:00,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:25:00,483 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:25:00,484 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:25:00,485 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:25:00,490 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:25:00,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:25:00,494 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:25:00,495 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:25:00,496 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:25:00,497 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:25:00,497 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:25:00,497 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:25:00,499 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:25:00,501 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:25:00,503 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:25:00,504 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:25:00,507 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:25:00,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:25:00,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:25:00,509 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:25:00,510 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:25:00,510 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 00:25:00,539 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:25:00,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:25:00,543 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:25:00,544 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:25:00,545 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:25:00,545 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:25:00,545 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:25:00,545 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:25:00,546 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:25:00,548 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:25:00,549 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:25:00,549 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:25:00,549 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:25:00,550 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:25:00,550 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:25:00,550 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:25:00,550 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:25:00,550 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:25:00,551 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:25:00,551 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:25:00,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:25:00,553 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:25:00,553 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:25:00,553 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:25:00,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:25:00,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:25:00,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:25:00,554 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:25:00,554 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:25:00,556 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:25:00,557 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 -> efc45e5708d4a9b560055cd5abf7b168f9024833 [2019-11-26 00:25:01,016 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:25:01,036 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:25:01,042 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:25:01,043 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:25:01,046 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:25:01,047 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/cstrchr_unsafe.i [2019-11-26 00:25:01,153 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b411debd/ac9f8ccf88dc4b94bdd46760259b90aa/FLAG30afccdd6 [2019-11-26 00:25:01,987 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:25:01,988 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/cstrchr_unsafe.i [2019-11-26 00:25:02,014 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b411debd/ac9f8ccf88dc4b94bdd46760259b90aa/FLAG30afccdd6 [2019-11-26 00:25:02,168 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b411debd/ac9f8ccf88dc4b94bdd46760259b90aa [2019-11-26 00:25:02,177 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:25:02,181 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:25:02,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:25:02,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:25:02,192 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:25:02,193 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:25:02" (1/1) ... [2019-11-26 00:25:02,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54771fda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:02, skipping insertion in model container [2019-11-26 00:25:02,201 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:25:02" (1/1) ... [2019-11-26 00:25:02,213 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:25:02,284 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:25:02,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:25:02,963 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:25:03,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:25:03,172 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:25:03,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:03 WrapperNode [2019-11-26 00:25:03,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:25:03,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:25:03,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:25:03,177 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:25:03,201 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:03" (1/1) ... [2019-11-26 00:25:03,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:03" (1/1) ... [2019-11-26 00:25:03,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:03" (1/1) ... [2019-11-26 00:25:03,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:03" (1/1) ... [2019-11-26 00:25:03,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:03" (1/1) ... [2019-11-26 00:25:03,315 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:03" (1/1) ... [2019-11-26 00:25:03,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:03" (1/1) ... [2019-11-26 00:25:03,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:25:03,350 INFO L168 Benchmark]: Toolchain (without parser) took 1169.09 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 972.8 MB in the end (delta: -9.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:25:03,355 INFO L168 Benchmark]: CDTParser took 0.22 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 00:25:03,356 INFO L168 Benchmark]: CACSL2BoogieTranslator took 991.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 978.5 MB in the end (delta: -15.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-26 00:25:03,360 INFO L168 Benchmark]: Boogie Preprocessor took 168.80 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:25:03,364 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 991.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 978.5 MB in the end (delta: -15.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 168.80 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...