./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/memsafety-ext2/length_test03-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version da95e156 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/memsafety-ext2/length_test03-2.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 2552da43a16cb54d5090a24426eb170717bf5525 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/memsafety-ext2/length_test03-2.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 2552da43a16cb54d5090a24426eb170717bf5525 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 11:21:21,471 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:21:21,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:21:21,516 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:21:21,521 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:21:21,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:21:21,526 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:21:21,544 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:21:21,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:21:21,553 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:21:21,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:21:21,563 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:21:21,563 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:21:21,569 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:21:21,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:21:21,575 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:21:21,579 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:21:21,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:21:21,589 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:21:21,599 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:21:21,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:21:21,609 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:21:21,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:21:21,619 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:21:21,627 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:21:21,629 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:21:21,629 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:21:21,633 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:21:21,634 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:21:21,635 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:21:21,639 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:21:21,640 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:21:21,641 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:21:21,645 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:21:21,647 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:21:21,650 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:21:21,651 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:21:21,652 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:21:21,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:21:21,657 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:21:21,660 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:21:21,663 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:21:21,702 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:21:21,704 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:21:21,708 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:21:21,710 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:21:21,710 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:21:21,710 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:21:21,713 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:21:21,713 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:21:21,713 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:21:21,714 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:21:21,715 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:21:21,715 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:21:21,716 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:21:21,718 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:21:21,718 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:21:21,719 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:21:21,719 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:21:21,719 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:21:21,720 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:21:21,723 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:21:21,723 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:21:21,723 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:21:21,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:21:21,724 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:21:21,724 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:21:21,725 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:21:21,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:21:21,725 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 -> 2552da43a16cb54d5090a24426eb170717bf5525 [2019-11-27 11:21:22,332 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:21:22,362 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:21:22,369 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:21:22,372 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:21:22,374 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:21:22,376 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext2/length_test03-2.i [2019-11-27 11:21:22,521 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6c3ee30e/7fd1303ffbc546bcb007a2614c1c72ca/FLAGed9b04f14 [2019-11-27 11:21:23,694 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:21:23,697 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-ext2/length_test03-2.i [2019-11-27 11:21:23,739 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6c3ee30e/7fd1303ffbc546bcb007a2614c1c72ca/FLAGed9b04f14 [2019-11-27 11:21:24,189 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6c3ee30e/7fd1303ffbc546bcb007a2614c1c72ca [2019-11-27 11:21:24,196 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:21:24,200 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:21:24,203 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:21:24,207 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:21:24,211 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:21:24,214 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:21:24" (1/1) ... [2019-11-27 11:21:24,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a81a577 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:24, skipping insertion in model container [2019-11-27 11:21:24,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:21:24" (1/1) ... [2019-11-27 11:21:24,240 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:21:24,350 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:21:25,222 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:21:25,254 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:21:25,397 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:21:25,520 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:21:25,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:25 WrapperNode [2019-11-27 11:21:25,525 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:21:25,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:21:25,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:21:25,527 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:21:25,544 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:25" (1/1) ... [2019-11-27 11:21:25,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:25" (1/1) ... [2019-11-27 11:21:25,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:25" (1/1) ... [2019-11-27 11:21:25,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:25" (1/1) ... [2019-11-27 11:21:25,650 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:25" (1/1) ... [2019-11-27 11:21:25,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:25" (1/1) ... [2019-11-27 11:21:25,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:25" (1/1) ... [2019-11-27 11:21:25,706 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:21:25,719 INFO L168 Benchmark]: Toolchain (without parser) took 1510.26 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 979.5 MB in the end (delta: -16.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:21:25,721 INFO L168 Benchmark]: CDTParser took 0.72 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 11:21:25,723 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1322.61 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 979.5 MB in the end (delta: -16.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-27 11:21:25,728 INFO L168 Benchmark]: Boogie Preprocessor took 180.57 ms. Allocated memory is still 1.0 GB. Free memory is still 979.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:21:25,735 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72 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 1322.61 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 979.5 MB in the end (delta: -16.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 180.57 ms. Allocated memory is still 1.0 GB. Free memory is still 979.5 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 11:21:29,668 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:21:29,671 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:21:29,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:21:29,702 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:21:29,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:21:29,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:21:29,740 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:21:29,742 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:21:29,748 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:21:29,752 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:21:29,756 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:21:29,759 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:21:29,763 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:21:29,767 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:21:29,773 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:21:29,775 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:21:29,779 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:21:29,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:21:29,793 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:21:29,801 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:21:29,807 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:21:29,810 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:21:29,816 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:21:29,823 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:21:29,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:21:29,824 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:21:29,826 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:21:29,828 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:21:29,829 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:21:29,834 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:21:29,835 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:21:29,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:21:29,838 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:21:29,840 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:21:29,842 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:21:29,844 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:21:29,847 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:21:29,847 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:21:29,849 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:21:29,853 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:21:29,854 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:21:29,894 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:21:29,897 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:21:29,900 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:21:29,902 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:21:29,902 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:21:29,903 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:21:29,905 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:21:29,905 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:21:29,905 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:21:29,906 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:21:29,907 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:21:29,909 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:21:29,909 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:21:29,910 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:21:29,910 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:21:29,912 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:21:29,912 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:21:29,912 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:21:29,913 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:21:29,915 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:21:29,915 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:21:29,916 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:21:29,916 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:21:29,916 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:21:29,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:21:29,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:21:29,921 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:21:29,922 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:21:29,922 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:21:29,922 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:21:29,924 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 -> 2552da43a16cb54d5090a24426eb170717bf5525 [2019-11-27 11:21:30,426 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:21:30,444 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:21:30,450 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:21:30,452 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:21:30,456 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:21:30,457 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext2/length_test03-2.i [2019-11-27 11:21:30,580 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff4b04248/5bc6682b25ae4396bd09129cd23a86e8/FLAG99f5d68a4 [2019-11-27 11:21:31,741 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:21:31,745 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-ext2/length_test03-2.i [2019-11-27 11:21:31,785 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff4b04248/5bc6682b25ae4396bd09129cd23a86e8/FLAG99f5d68a4 [2019-11-27 11:21:32,261 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff4b04248/5bc6682b25ae4396bd09129cd23a86e8 [2019-11-27 11:21:32,266 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:21:32,272 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:21:32,287 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:21:32,288 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:21:32,292 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:21:32,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:21:32" (1/1) ... [2019-11-27 11:21:32,297 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ef9f778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:32, skipping insertion in model container [2019-11-27 11:21:32,297 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:21:32" (1/1) ... [2019-11-27 11:21:32,307 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:21:32,417 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:21:33,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:21:33,270 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:21:33,397 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:21:33,517 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:21:33,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:33 WrapperNode [2019-11-27 11:21:33,518 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:21:33,519 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:21:33,519 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:21:33,520 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:21:33,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:33" (1/1) ... [2019-11-27 11:21:33,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:33" (1/1) ... [2019-11-27 11:21:33,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:33" (1/1) ... [2019-11-27 11:21:33,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:33" (1/1) ... [2019-11-27 11:21:33,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:33" (1/1) ... [2019-11-27 11:21:33,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:33" (1/1) ... [2019-11-27 11:21:33,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:33" (1/1) ... [2019-11-27 11:21:33,699 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:21:33,712 INFO L168 Benchmark]: Toolchain (without parser) took 1431.99 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 958.8 MB in the beginning and 973.9 MB in the end (delta: -15.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:21:33,713 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. [2019-11-27 11:21:33,717 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1231.88 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 958.8 MB in the beginning and 979.6 MB in the end (delta: -20.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 11:21:33,718 INFO L168 Benchmark]: Boogie Preprocessor took 179.99 ms. Allocated memory is still 1.0 GB. Free memory was 979.6 MB in the beginning and 973.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:21:33,736 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 1231.88 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 958.8 MB in the beginning and 979.6 MB in the end (delta: -20.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 179.99 ms. Allocated memory is still 1.0 GB. Free memory was 979.6 MB in the beginning and 973.9 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...