./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 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/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 0.1.24-509859d [2019-11-27 17:42:43,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:42:43,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:42:43,737 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:42:43,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:42:43,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:42:43,749 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:42:43,763 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:42:43,771 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:42:43,774 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:42:43,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:42:43,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:42:43,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:42:43,783 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:42:43,786 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:42:43,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:42:43,791 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:42:43,792 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:42:43,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:42:43,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:42:43,808 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:42:43,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:42:43,814 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:42:43,819 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:42:43,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:42:43,824 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:42:43,824 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:42:43,826 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:42:43,827 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:42:43,828 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:42:43,831 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:42:43,832 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:42:43,832 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:42:43,833 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:42:43,837 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:42:43,837 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:42:43,838 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:42:43,838 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:42:43,840 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:42:43,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:42:43,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:42:43,845 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:42:43,874 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:42:43,875 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:42:43,879 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:42:43,880 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:42:43,880 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:42:43,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:42:43,880 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:42:43,881 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:42:43,881 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:42:43,881 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:42:43,882 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:42:43,884 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:42:43,884 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:42:43,884 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:42:43,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:42:43,885 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:42:43,885 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:42:43,885 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:42:43,885 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:42:43,887 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:42:43,887 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:42:43,887 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:42:43,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:42:43,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:42:43,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:42:43,890 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:42:43,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:42:43,890 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 [2019-11-27 17:42:44,263 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:42:44,281 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:42:44,287 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:42:44,288 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:42:44,289 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:42:44,289 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/cstrchr_unsafe.i [2019-11-27 17:42:44,397 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/621be852c/d958cf54e0a841c5afc114bd279d3bd1/FLAG5bea4e6f7 [2019-11-27 17:42:45,278 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:42:45,279 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/cstrchr_unsafe.i [2019-11-27 17:42:45,306 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/621be852c/d958cf54e0a841c5afc114bd279d3bd1/FLAG5bea4e6f7 [2019-11-27 17:42:45,484 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/621be852c/d958cf54e0a841c5afc114bd279d3bd1 [2019-11-27 17:42:45,488 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:42:45,492 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:42:45,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:42:45,502 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:42:45,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:42:45,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:42:45" (1/1) ... [2019-11-27 17:42:45,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ab6e674 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:45, skipping insertion in model container [2019-11-27 17:42:45,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:42:45" (1/1) ... [2019-11-27 17:42:45,521 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:42:45,600 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:42:46,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:42:46,253 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:42:46,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:42:46,428 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:42:46,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:46 WrapperNode [2019-11-27 17:42:46,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:42:46,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:42:46,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:42:46,435 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:42:46,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:46" (1/1) ... [2019-11-27 17:42:46,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:46" (1/1) ... [2019-11-27 17:42:46,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:46" (1/1) ... [2019-11-27 17:42:46,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:46" (1/1) ... [2019-11-27 17:42:46,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:46" (1/1) ... [2019-11-27 17:42:46,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:46" (1/1) ... [2019-11-27 17:42:46,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:46" (1/1) ... [2019-11-27 17:42:46,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:42:46,567 INFO L168 Benchmark]: Toolchain (without parser) took 1074.67 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 980.0 MB in the end (delta: -19.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:42:46,582 INFO L168 Benchmark]: CDTParser took 2.15 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:42:46,583 INFO L168 Benchmark]: CACSL2BoogieTranslator took 933.64 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 980.0 MB in the end (delta: -19.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 17:42:46,585 INFO L168 Benchmark]: Boogie Preprocessor took 127.55 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:42:46,591 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.15 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 933.64 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 980.0 MB in the end (delta: -19.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 127.55 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 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 0.1.24-509859d [2019-11-27 17:42:49,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:42:49,315 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:42:49,339 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:42:49,342 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:42:49,344 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:42:49,345 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:42:49,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:42:49,364 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:42:49,369 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:42:49,370 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:42:49,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:42:49,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:42:49,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:42:49,382 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:42:49,384 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:42:49,385 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:42:49,386 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:42:49,391 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:42:49,396 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:42:49,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:42:49,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:42:49,408 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:42:49,411 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:42:49,416 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:42:49,417 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:42:49,417 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:42:49,421 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:42:49,422 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:42:49,423 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:42:49,423 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:42:49,424 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:42:49,425 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:42:49,429 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:42:49,430 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:42:49,433 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:42:49,434 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:42:49,434 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:42:49,434 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:42:49,435 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:42:49,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:42:49,439 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:42:49,467 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:42:49,468 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:42:49,470 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:42:49,472 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:42:49,472 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:42:49,472 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:42:49,472 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:42:49,474 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:42:49,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:42:49,474 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:42:49,475 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:42:49,475 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:42:49,475 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:42:49,477 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:42:49,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:42:49,477 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:42:49,478 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:42:49,478 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:42:49,480 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:42:49,480 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:42:49,480 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:42:49,480 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:42:49,481 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:42:49,481 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:42:49,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:42:49,481 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:42:49,481 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:42:49,483 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:42:49,483 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:42:49,483 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:42:49,484 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 [2019-11-27 17:42:49,873 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:42:49,888 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:42:49,894 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:42:49,899 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:42:49,899 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:42:49,901 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/cstrchr_unsafe.i [2019-11-27 17:42:50,004 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5ad18f98/a6c78848466d4a77806312fbc146cd6d/FLAGd859db8af [2019-11-27 17:42:50,824 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:42:50,827 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/cstrchr_unsafe.i [2019-11-27 17:42:50,851 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5ad18f98/a6c78848466d4a77806312fbc146cd6d/FLAGd859db8af [2019-11-27 17:42:51,029 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5ad18f98/a6c78848466d4a77806312fbc146cd6d [2019-11-27 17:42:51,033 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:42:51,036 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:42:51,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:42:51,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:42:51,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:42:51,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:42:51" (1/1) ... [2019-11-27 17:42:51,055 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 27.11 05:42:51, skipping insertion in model container [2019-11-27 17:42:51,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:42:51" (1/1) ... [2019-11-27 17:42:51,062 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:42:51,145 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:42:51,832 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:42:51,861 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:42:51,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:42:52,053 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:42:52,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:52 WrapperNode [2019-11-27 17:42:52,055 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:42:52,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:42:52,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:42:52,058 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:42:52,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:52" (1/1) ... [2019-11-27 17:42:52,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:52" (1/1) ... [2019-11-27 17:42:52,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:52" (1/1) ... [2019-11-27 17:42:52,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:52" (1/1) ... [2019-11-27 17:42:52,157 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:52" (1/1) ... [2019-11-27 17:42:52,172 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:52" (1/1) ... [2019-11-27 17:42:52,182 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:42:52" (1/1) ... [2019-11-27 17:42:52,193 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:42:52,205 INFO L168 Benchmark]: Toolchain (without parser) took 1160.84 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. [2019-11-27 17:42:52,205 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:42:52,210 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1009.29 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. [2019-11-27 17:42:52,211 INFO L168 Benchmark]: Boogie Preprocessor took 138.14 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. [2019-11-27 17:42:52,216 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 1009.29 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 138.14 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...