./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/array-memsafety/openbsd_cmemchr-alloca-2.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/openbsd_cmemchr-alloca-2.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 f10d5178d15d886f7ae857469faf20c98bafd5fa .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/openbsd_cmemchr-alloca-2.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 f10d5178d15d886f7ae857469faf20c98bafd5fa ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:25:10,537 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:25:10,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:25:10,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:25:10,579 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:25:10,589 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:25:10,593 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:25:10,610 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:25:10,614 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:25:10,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:25:10,622 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:25:10,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:25:10,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:25:10,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:25:10,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:25:10,643 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:25:10,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:25:10,652 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:25:10,658 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:25:10,666 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:25:10,675 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:25:10,680 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:25:10,684 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:25:10,688 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:25:10,699 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:25:10,700 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:25:10,700 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:25:10,702 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:25:10,703 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:25:10,707 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:25:10,707 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:25:10,708 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:25:10,711 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:25:10,713 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:25:10,716 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:25:10,717 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:25:10,722 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:25:10,722 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:25:10,722 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:25:10,724 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:25:10,728 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:25:10,729 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 00:25:10,770 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:25:10,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:25:10,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:25:10,778 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:25:10,778 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:25:10,779 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:25:10,781 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:25:10,781 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:25:10,782 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:25:10,782 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:25:10,783 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:25:10,784 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:25:10,786 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:25:10,787 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:25:10,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:25:10,787 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:25:10,787 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:25:10,789 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:25:10,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:25:10,789 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:25:10,792 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:25:10,792 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:25:10,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:25:10,793 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:25:10,793 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:25:10,793 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:25:10,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:25:10,794 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 -> f10d5178d15d886f7ae857469faf20c98bafd5fa [2019-11-26 00:25:11,400 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:25:11,430 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:25:11,436 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:25:11,439 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:25:11,444 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:25:11,445 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cmemchr-alloca-2.i [2019-11-26 00:25:11,603 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e533c70a7/352caf7966344ec9af92c657673894c7/FLAGabaf2237a [2019-11-26 00:25:12,773 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:25:12,776 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cmemchr-alloca-2.i [2019-11-26 00:25:12,822 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e533c70a7/352caf7966344ec9af92c657673894c7/FLAGabaf2237a [2019-11-26 00:25:13,289 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e533c70a7/352caf7966344ec9af92c657673894c7 [2019-11-26 00:25:13,299 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:25:13,305 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:25:13,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:25:13,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:25:13,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:25:13,324 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:25:13" (1/1) ... [2019-11-26 00:25:13,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3daa3e27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:13, skipping insertion in model container [2019-11-26 00:25:13,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:25:13" (1/1) ... [2019-11-26 00:25:13,351 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:25:13,454 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:25:14,289 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:25:14,305 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:25:14,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:25:14,552 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:25:14,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:14 WrapperNode [2019-11-26 00:25:14,555 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:25:14,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:25:14,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:25:14,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:25:14,584 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:14" (1/1) ... [2019-11-26 00:25:14,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:14" (1/1) ... [2019-11-26 00:25:14,619 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:14" (1/1) ... [2019-11-26 00:25:14,620 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:14" (1/1) ... [2019-11-26 00:25:14,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:14" (1/1) ... [2019-11-26 00:25:14,688 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:14" (1/1) ... [2019-11-26 00:25:14,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:14" (1/1) ... [2019-11-26 00:25:14,715 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:25:14,724 INFO L168 Benchmark]: Toolchain (without parser) took 1416.54 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 979.7 MB in the end (delta: -19.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:25:14,725 INFO L168 Benchmark]: CDTParser took 0.70 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:25:14,742 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1243.04 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 979.7 MB in the end (delta: -19.4 MB). Peak memory consumption was 22.2 MB. Max. memory is 12.5 GB. [2019-11-26 00:25:14,743 INFO L168 Benchmark]: Boogie Preprocessor took 156.39 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:25:14,752 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70 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 1243.04 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 979.7 MB in the end (delta: -19.4 MB). Peak memory consumption was 22.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 156.39 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 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 00:25:18,658 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:25:18,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:25:18,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:25:18,700 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:25:18,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:25:18,709 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:25:18,724 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:25:18,735 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:25:18,739 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:25:18,741 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:25:18,743 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:25:18,744 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:25:18,746 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:25:18,749 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:25:18,752 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:25:18,755 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:25:18,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:25:18,761 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:25:18,771 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:25:18,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:25:18,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:25:18,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:25:18,790 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:25:18,794 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:25:18,797 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:25:18,797 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:25:18,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:25:18,802 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:25:18,803 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:25:18,803 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:25:18,804 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:25:18,805 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:25:18,808 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:25:18,810 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:25:18,811 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:25:18,812 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:25:18,815 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:25:18,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:25:18,816 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:25:18,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:25:18,820 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 00:25:18,876 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:25:18,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:25:18,878 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:25:18,878 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:25:18,880 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:25:18,883 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:25:18,883 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:25:18,883 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:25:18,884 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:25:18,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:25:18,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:25:18,886 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:25:18,887 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:25:18,887 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:25:18,887 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:25:18,887 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:25:18,888 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:25:18,890 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:25:18,891 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:25:18,891 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:25:18,892 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:25:18,893 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:25:18,893 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:25:18,893 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:25:18,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:25:18,896 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:25:18,896 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:25:18,897 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:25:18,897 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:25:18,898 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:25:18,899 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 -> f10d5178d15d886f7ae857469faf20c98bafd5fa [2019-11-26 00:25:19,532 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:25:19,560 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:25:19,566 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:25:19,574 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:25:19,574 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:25:19,576 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cmemchr-alloca-2.i [2019-11-26 00:25:19,740 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59a320e73/639148d013e84ef29e6c6a9cdd87ff19/FLAG3a443facf [2019-11-26 00:25:20,933 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:25:20,935 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cmemchr-alloca-2.i [2019-11-26 00:25:20,977 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59a320e73/639148d013e84ef29e6c6a9cdd87ff19/FLAG3a443facf [2019-11-26 00:25:21,018 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59a320e73/639148d013e84ef29e6c6a9cdd87ff19 [2019-11-26 00:25:21,022 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:25:21,027 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:25:21,037 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:25:21,038 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:25:21,044 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:25:21,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:25:21" (1/1) ... [2019-11-26 00:25:21,057 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fe9d5a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:21, skipping insertion in model container [2019-11-26 00:25:21,058 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:25:21" (1/1) ... [2019-11-26 00:25:21,076 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:25:21,179 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:25:22,055 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:25:22,092 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:25:22,218 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:25:22,349 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:25:22,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:22 WrapperNode [2019-11-26 00:25:22,350 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:25:22,351 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:25:22,351 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:25:22,354 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:25:22,385 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:22" (1/1) ... [2019-11-26 00:25:22,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:22" (1/1) ... [2019-11-26 00:25:22,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:22" (1/1) ... [2019-11-26 00:25:22,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:22" (1/1) ... [2019-11-26 00:25:22,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:22" (1/1) ... [2019-11-26 00:25:22,525 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:22" (1/1) ... [2019-11-26 00:25:22,546 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:22" (1/1) ... [2019-11-26 00:25:22,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:25:22,576 INFO L168 Benchmark]: Toolchain (without parser) took 1544.85 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.2 MB in the end (delta: -16.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:25:22,584 INFO L168 Benchmark]: CDTParser took 2.94 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:25:22,586 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1313.36 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 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-26 00:25:22,587 INFO L168 Benchmark]: Boogie Preprocessor took 217.87 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. [2019-11-26 00:25:22,593 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.94 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 1313.36 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 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 217.87 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...