./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 32f26835 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 0.1.24-32f2683 [2019-11-24 22:20:27,760 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:20:27,763 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:20:27,788 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:20:27,789 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:20:27,791 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:20:27,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:20:27,811 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:20:27,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:20:27,821 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:20:27,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:20:27,827 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:20:27,827 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:20:27,831 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:20:27,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:20:27,836 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:20:27,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:20:27,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:20:27,842 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:20:27,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:20:27,855 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:20:27,859 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:20:27,862 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:20:27,864 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:20:27,871 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:20:27,872 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:20:27,872 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:20:27,873 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:20:27,874 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:20:27,875 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:20:27,875 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:20:27,877 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:20:27,878 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:20:27,881 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:20:27,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:20:27,883 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:20:27,886 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:20:27,887 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:20:27,887 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:20:27,888 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:20:27,889 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:20:27,891 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:20:27,921 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:20:27,921 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:20:27,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:20:27,926 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:20:27,926 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:20:27,929 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:20:27,929 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:20:27,929 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:20:27,930 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:20:27,930 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:20:27,931 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:20:27,931 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:20:27,931 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:20:27,932 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:20:27,932 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:20:27,932 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:20:27,932 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:20:27,932 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:20:27,933 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:20:27,935 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:20:27,935 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:20:27,935 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:20:27,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:20:27,936 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:20:27,936 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:20:27,936 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:20:27,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:20:27,936 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 [2019-11-24 22:20:28,376 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:20:28,396 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:20:28,403 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:20:28,408 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:20:28,409 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:20:28,409 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/cstrchr_unsafe.i [2019-11-24 22:20:28,513 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2c39bed8/ff3b59f5d5bb4f7281384a82000f50f3/FLAGddc79f139 [2019-11-24 22:20:29,364 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:20:29,367 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/cstrchr_unsafe.i [2019-11-24 22:20:29,391 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2c39bed8/ff3b59f5d5bb4f7281384a82000f50f3/FLAGddc79f139 [2019-11-24 22:20:29,567 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2c39bed8/ff3b59f5d5bb4f7281384a82000f50f3 [2019-11-24 22:20:29,573 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:20:29,578 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:20:29,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:20:29,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:20:29,585 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:20:29,589 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:20:29" (1/1) ... [2019-11-24 22:20:29,594 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 24.11 10:20:29, skipping insertion in model container [2019-11-24 22:20:29,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:20:29" (1/1) ... [2019-11-24 22:20:29,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:20:29,677 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:20:30,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:20:30,330 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:20:30,418 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:20:30,505 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:20:30,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:30 WrapperNode [2019-11-24 22:20:30,507 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:20:30,508 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:20:30,508 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:20:30,508 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:20:30,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:30" (1/1) ... [2019-11-24 22:20:30,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:30" (1/1) ... [2019-11-24 22:20:30,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:30" (1/1) ... [2019-11-24 22:20:30,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:30" (1/1) ... [2019-11-24 22:20:30,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:30" (1/1) ... [2019-11-24 22:20:30,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:30" (1/1) ... [2019-11-24 22:20:30,624 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:30" (1/1) ... [2019-11-24 22:20:30,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:20:30,646 INFO L168 Benchmark]: Toolchain (without parser) took 1066.71 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 978.2 MB in the end (delta: -18.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:20:30,654 INFO L168 Benchmark]: CDTParser took 0.46 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. [2019-11-24 22:20:30,659 INFO L168 Benchmark]: CACSL2BoogieTranslator took 928.04 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 978.2 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:20:30,663 INFO L168 Benchmark]: Boogie Preprocessor took 134.76 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:20:30,666 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 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 928.04 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 978.2 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 134.76 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 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... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 22:20:33,395 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:20:33,400 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:20:33,421 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:20:33,422 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:20:33,424 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:20:33,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:20:33,443 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:20:33,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:20:33,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:20:33,455 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:20:33,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:20:33,460 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:20:33,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:20:33,466 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:20:33,468 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:20:33,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:20:33,472 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:20:33,475 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:20:33,480 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:20:33,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:20:33,492 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:20:33,493 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:20:33,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:20:33,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:20:33,501 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:20:33,501 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:20:33,504 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:20:33,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:20:33,506 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:20:33,507 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:20:33,507 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:20:33,509 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:20:33,513 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:20:33,514 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:20:33,514 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:20:33,518 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:20:33,518 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:20:33,518 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:20:33,519 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:20:33,522 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:20:33,523 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:20:33,550 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:20:33,552 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:20:33,554 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:20:33,554 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:20:33,554 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:20:33,557 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:20:33,557 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:20:33,557 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:20:33,557 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:20:33,558 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:20:33,558 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:20:33,559 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:20:33,559 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:20:33,559 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:20:33,560 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:20:33,560 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:20:33,560 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:20:33,560 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:20:33,560 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:20:33,562 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:20:33,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:20:33,562 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:20:33,562 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:20:33,563 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:20:33,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:20:33,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:20:33,564 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:20:33,564 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:20:33,564 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:20:33,567 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:20:33,568 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 [2019-11-24 22:20:33,977 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:20:33,994 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:20:34,001 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:20:34,002 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:20:34,005 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:20:34,006 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/cstrchr_unsafe.i [2019-11-24 22:20:34,110 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b60beb103/8d68379aabda406693becdeb2d4f0248/FLAG51b7ba675 [2019-11-24 22:20:34,938 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:20:34,941 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/cstrchr_unsafe.i [2019-11-24 22:20:34,967 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b60beb103/8d68379aabda406693becdeb2d4f0248/FLAG51b7ba675 [2019-11-24 22:20:35,125 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b60beb103/8d68379aabda406693becdeb2d4f0248 [2019-11-24 22:20:35,132 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:20:35,134 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:20:35,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:20:35,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:20:35,148 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:20:35,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:20:35" (1/1) ... [2019-11-24 22:20:35,152 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 24.11 10:20:35, skipping insertion in model container [2019-11-24 22:20:35,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:20:35" (1/1) ... [2019-11-24 22:20:35,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:20:35,241 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:20:35,890 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:20:35,915 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:20:36,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:20:36,103 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:20:36,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:36 WrapperNode [2019-11-24 22:20:36,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:20:36,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:20:36,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:20:36,111 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:20:36,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:36" (1/1) ... [2019-11-24 22:20:36,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:36" (1/1) ... [2019-11-24 22:20:36,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:36" (1/1) ... [2019-11-24 22:20:36,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:36" (1/1) ... [2019-11-24 22:20:36,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:36" (1/1) ... [2019-11-24 22:20:36,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:36" (1/1) ... [2019-11-24 22:20:36,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:20:36" (1/1) ... [2019-11-24 22:20:36,243 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:20:36,255 INFO L168 Benchmark]: Toolchain (without parser) took 1113.87 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 968.5 MB in the end (delta: -8.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:20:36,256 INFO L168 Benchmark]: CDTParser took 0.25 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. [2019-11-24 22:20:36,257 INFO L168 Benchmark]: CACSL2BoogieTranslator took 967.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 974.2 MB in the end (delta: -14.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-24 22:20:36,258 INFO L168 Benchmark]: Boogie Preprocessor took 135.33 ms. Allocated memory is still 1.0 GB. Free memory was 974.2 MB in the beginning and 968.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:20:36,274 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 967.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 974.2 MB in the end (delta: -14.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 135.33 ms. Allocated memory is still 1.0 GB. Free memory was 974.2 MB in the beginning and 968.5 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...